OALJ Law Library, DOT, Processing Occupations 500.131-010 to 519.585-014

United States Department of Labor
Office of Administrative Law Judges Law Library

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DICTIONARY OF OCCUPATIONAL TITLES (4th Ed., Rev. 1991) -- OCCUPATIONAL GROUP ARRANGEMENT

Note: The DOT was created by the Employment and Training Administration, and was last updated in 1991. It has been replaced by the O*NET.

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TITLE PAGE
HOW TO READ PARTS OF AN OCCUPATIONAL TITLE

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5 PROCESSING OCCUPATIONS
500.131-010 to 519.585-014

    This category includes occupations concerned with refining, mixing, compounding, chemically treating, heat treating, or similarly working materials and products. Knowledge of a process and adherence to formulas or other specifications are required in some degree. Vats, stills, ovens, furnaces, mixing machines, crushers, grinders, and related equipment or machines are usually involved.

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50 OCCUPATIONS IN PROCESSING OF METAL

    This division includes occupations concerned with molding, casting, coating, conditioning, or otherwise processing metal. Foundry occupations are included in Division 51.

500 ELECTROPLATING OCCUPATIONS

    This group includes occupations concerned with covering the surfaces of objects by electro-deposition or electrolysis.

500.131-010 SUPERVISOR (electroplating) alternate titles: plater supervisor

    Supervises and coordinates activities of workers engaged in cleaning, racking, plating, and polishing of metal or plastic objects: Selects equipment, such as hooks, plating barrels or tanks, and racks, according to quantity, size, and type of objects to be plated. Verifies types of plating metals and solutions, length of immersion period, and amount of electric current flowing through solutions, following plating specifications. Assigns tasks to workers and processes paperwork, such as timecards and supply, production and personnel reports. Resolves personnel problems and expedites production bottlenecks to meet deadlines and production schedules. Inspects plated surfaces of objects to detect defects, such as rough spots, thin plating, and unpolished areas. Collects and labels samples of plating solutions for laboratory analysis. Examines equipment, such as plating tanks, polishers, and racks, and notifies maintenance department of needed repairs. May analyze plating solutions to verify conformance to specifications, performing variety of tests, such as specific gravity and titration tests. May measure thickness of plating on metal objects, using micrometer, to verify conformance to specifications. May be designated according to specific process supervised as Supervisor, Anodizing (electroplating); Supervisor, Electrolytic Tinning (nonfer. metal). Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: L GED: R4 M3 L4 SVP: 7 DLU: 77

500.132-010 SUPERVISOR, SHEET MANUFACTURING (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in making copper starting sheets by electrolysis. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

500.134-010 SUPERVISOR, MATRIX (recording)

    Supervises and coordinates activities of workers engaged in electroplating, stripping, finishing, and inspecting metal phonograph record matrices. Requisitions processing materials, such as chemicals, wiping cloths, and polishing compounds. Confers with workers' representatives to resolve grievances. Trains workers in processing functions. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: L GED: R4 M3 L3 SVP: 6 DLU: 77

500.287-010 INSPECTOR, PLATING (electroplating) alternate titles: sample tester

    Inspects plated surfaces of metal or plastic objects visually or using chemical or electrical tests: Examines part for defects, such as uneven coating or scratches. Applies chemicals to or immerses object in test solution and observes reaction or measures dissolving time. Turns on electrical current and reads gauge to measure plating thickness. Attaches magnet to metal part and reads gauge to measure magnet pull to determine plating thickness. Compares readings with specifications and returns defective objects for rework. May test samples of electrolytic solutions.
GOE: 06.03.01 STRENGTH: M GED: R3 M3 L3 SVP: 3 DLU: 77

500.362-010 ELECTROGALVANIZING-MACHINE OPERATOR (electroplating)

    Sets up and operates continuous multistrand electrogalvanizing and heat-treating machine to coat steel strip or wire with zinc, according to written specifications: Mixes chemical solutions, using formulas. Fills cleaning, pickling, galvanizing, and waxing tanks. Charges furnace with gas or coal to prepare for galvanizing process. Inserts wire reels and feeds wire into machine. Moves controls on rheostats and generators to regulate movement of wire strand between reels, plating tanks, and coils, to obtain specified thickness of coating. Adjusts controls to regulate temperature of leadpot, cleaners, picklers, and plating tanks. Performs chemical solution tests, such as titration tests, wire hardness tests, dip coating tests, and welding tests, to determine conformance to specifications. Readjusts controls based on findings. Records test results. Examines coating, washing, and alignment of wire strands visually and using micrometers to compare finished strands with specifications. Resets and changes combs when changing width and number of strands. Replaces anodes and recharges leadpot at specified intervals.
GOE: 06.02.21 STRENGTH: H GED: R4 M3 L3 SVP: 6 DLU: 77

500.362-014 PLATER, BARREL (electroplating) alternate titles: barrel-line operator; drum plater; plater, machine; tumbler plater

    Operates barrel plating equipment to coat metal objects electrolytically with metal to build up, protect, or decorate surfaces: Places metal objects in mesh container and immerses objects in cleaning solutions. Places objects in perforated or mesh barrel of plating equipment and clamps door in barrel opening. Turns handle to lower barrel into plating solution and to close electrical contacts. Starts rotation of barrel. Starts flow of electric current through plating solution that decomposes plating metal at anode and deposits metal coating on objects in barrel. Stops flow of current after specified time and removes objects. Places objects in mesh container and immerses objects in rinsing solutions. Dries plated objects, using centrifugal drier or tumbler filled with sawdust. Tests solutions, using hydrometer, and adds chemicals to maintain specified concentrations.
GOE: 06.02.21 STRENGTH: M GED: R3 M3 L3 SVP: 5 DLU: 77

500.380-010 PLATER (electroplating) alternate titles: electroplater; plating-tank operator

    Sets up and controls plating equipment to coat metal objects electrolytically with chromium, copper, cadmium, or other metal to provide protective or decorative surfaces or to build up worn surfaces according to specifications: Reads work order to determine size and composition of object to be plated; type concentration and temperature of plating solution; type and thickness and location of specified plating metal; and amount of electrical current and time required to complete plating process. Immerses object in cleaning and rinsing baths [METAL-CLEANER, IMMERSION (any industry)]. Suspends object, such as part or mold, from cathode rod (negative terminal) and immerses object in plating solution. Suspends stick or piece of plating metal from anode (positive terminal) and immerses metal in plating solution. Moves controls on rectifier to adjust flow of current through plating solution from anode to cathode and to permit electrodeposition of metal on object. Removes plated object from solution at periodic intervals and observes object to ensure conformance to specifications. Adjusts voltage and amperage based on observation. Examines object visually at end of process to determine thickness of metal deposit or measures thickness, using instruments, such micrometers or calipers. Grinds, polishes or rinses object in water and dries object to maintain clean even surface. May mix, and test strength of plating solution, using instruments and chemical tests. May measure, mark, and mask areas excluded from plating. May plate small objects, such as nuts or bolts, using motor-driven barrel. May direct other workers performing variety of duties, such as racking, cleaning, or plating objects. May operate electroplating equipment with reverse polarity and be known as Plating Stripper (electroplating). May be designated according to plating materials used as Brass Plater (electroplating); Bronze Plater (electroplating); Cadmium Plater (electroplating); Chromium Plater (electroplating); Copper Plater (electroplating); Gold Plater (electroplating). May be designated: Nickel Plater (electroplating); Plastics Plater (plastic prod.); Silver Plater (electroplating); Tin Plater (electroplating).
GOE: 06.02.21 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 77

500.380-014 PLATER APPRENTICE (electroplating) alternate titles: electroplater apprentice; plating-tank-operator apprentice

    Performs duties as described under APPRENTICE (any industry) Master Title.
GOE: 06.02.21 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 77

500.381-010 CYLINDER GRINDER (print. & pub.) alternate titles: grinder and plater

    Electroplates rotogravure printing cylinders with coating of copper and grinds plates to specifications, using grinding machines: Immerses cylinder in cleaning bath, using chain hoist. Removes cylinder and places cylinder in copper sulfate plating solution for prescribed period of time to cover cylinder with copper [PLATER (electroplating)]. Removes cylinder from plating vat, rinses in water, and fastens cylinder between centers of grinding machine, using handtools. Selects and fastens abrasive wheel onto spindle of machine. Starts machine and turns handwheels to bring abrasive wheel into contact with surface of cylinder, and to engage automatic feed. Measures dimension of cylinder surfaces during grinding and polishing operation, using micrometers to obtain required precision. Removes finished cylinder from machine and places cylinder in rack.
GOE: 05.10.05 STRENGTH: L GED: R3 M3 L3 SVP: 7 DLU: 77

500.384-010 MATRIX PLATER (recording)

    Electroplates phonograph record matrices to form metal replicas of positive and negative recorded surfaces, and to form stamper used in pressing phonograph records: Inserts silver-coated lacquer disk (original recording) in rubber masking ring to prevent plating of specified surfaces, such as edges of disk. Hangs disk in tanks containing plating solutions, such as nickel and copper or inserts disk over centering pin of automatic plating tanks to form negative metal master matrix of disk. Observes dials and gauges to ensure solutions and electric current flowing through solutions conform to specifications, and adjusts controls as required. Removes plated disk from tanks after specified time, removes masking ring, washes and dries disk, and routes disk to finishing department for stripping and finishing process by MATRIX WORKER (recording). Washes master matrix after finishing process to prevent adhesion during subsequent plating processes. Plates master matrix to form $T3mother$T1 matrix and plates mother to form stamper used on record presses, following prescribed plating procedures. May prepare and test plating solutions.
GOE: 06.02.21 STRENGTH: L GED: R3 M2 L2 SVP: 4 DLU: 77

500.384-014 MATRIX-BATH ATTENDANT (recording)

    Maintains electrolytic baths in operating condition for plating phonograph record matrices: Draws sample of solution from tanks, using pipette. Tests strength of solution, using hydrometer, and adds specified amounts of metallic salts, acid, or water to solution as needed. Examines anodes for specified size and for position in baths. Activates controls and reads meters to test electrical connections for open or short condition.
GOE: 06.02.21 STRENGTH: M GED: R3 M3 L3 SVP: 5 DLU: 77

500.485-010 ZINC-PLATING-MACHINE OPERATOR (electroplating)

    Tends machine that coats wire electrolytically with zinc to protect wire surface from corrosion: Mixes zinc solution according to specified formula and turns valves to fill tank with solution. Threads wire through machine and sets rheostat to regulate flow of current through solution. Starts machine to pull wire through solution. Examines surface of wire for defects, such as bubbles or bare spots, and measures thickness of coating, using micrometer. Adjusts controls to regulate speed of reel and flow of current to coat wire to specified thickness.
GOE: 06.02.21 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

500.682-010 ANODIZER (any industry) alternate titles: white-metal corrosion proofer

    Controls anodizing equipment to provide corrosion resistant surface to aluminum objects: Selects holding rack according to size, shape, and number of objects to be anodized. Wires or clips objects to anodizing rack and immerses rack in series of cleaning, etching, and rinsing baths. Positions objects in anodizing tank by suspending them from anode. Estimates amount of electric current and time required to anodize material. Turns rheostat to regulate flow of current. Removes objects from tank after specified time, rinses objects, and immerses them in bath of hot water or dichromate solution to seal oxide coating. Hangs objects on racks to air-dry. May immerse objects in dye bath to color them for decorative or identification purposes. May anodize workpiece with corrosion resistant material, using automated equipment that automatically cleans, rinses, and coats.
GOE: 06.02.21 STRENGTH: H GED: R3 M2 L3 SVP: 4 DLU: 77

500.684-010 ELECTROFORMER (electroplating)

    Sprays or smears electrically conductive solution onto nonconductive objects, such as baby shoes or plastic molds, or dips objects in solution to prepare objects for electroplating. May electroplate objects [PLATER (electroplating)].
GOE: 06.04.33 STRENGTH: L GED: R2 M1 L1 SVP: 4 DLU: 77

500.684-014 MATRIX WORKER (recording) alternate titles: finisher

    Performs any combination of following tasks involved in finishing and inspecting metal phonograph matrices after electroplating processes: Strips (separates) master, $T3mother,$T1 and stamper matrices, using handtools, files, and knife. Holds matrices against sanding belt or grinding wheel of bench grinder to remove burrs. Punches center hole in stamper and mother matrices, using punch press. Fills offcenter holes with solder, using soldering iron or acetylene torch. Steam cleans and polishes matrices, using brushes, cloths, and polishing compounds. Examines stamper matrices for defects, and weighs matrices to ensure conformance to standards, using scale. Cuts and flares edges of stamper matrices, using press. arks identifying information on master matrices, using scribe.
GOE: 06.04.24 STRENGTH: L GED: R2 M2 L2 SVP: 2 DLU: 77

500.684-018 PLATE FORMER (elec. equip.)

    Forms (treats) storage battery plates for dry charge or wet charge batteries: Positions plates on conductor base of forming tank and burns lead strips to lugs of plates [LEAD BURNER (elec. equip.)]. Inserts separators between positive and negative plates to form element. Places elements in containers and attaches push-on or clamp-type jumpers to connect elements in series. Mixes forming acid solution of prescribed specific gravity. Drains solution from mixing tank into forming tanks or element containers, using hose. Connects posts of units to electrical circuit. Adjusts rheostat to regulate current, using ammeter. Removes formed plates from acid and places plates in water bath to remove electrolyte. Separates positive and negative plates, places plates [in racks, and places racks in driers. Dumps forming acid from element containers and refills containers with finishing acid. Conveys or trucks elements to final charging line.
GOE: 06.02.32 STRENGTH: L GED: R3 M2 L2 SVP: 4 DLU: 77

500.684-022 SILVER SPRAY WORKER (recording)

    Sprays surfaces of prerecorded lacquer disks with silver solution to make disks conductive, using spray gun: Positions disk on spindle of turntable in spraying booth. Sprays revolving disk with cleaning solvents to prepare disk for silver coating. Sprays silver solution on revolving surface of disk. May place disk in spray machine that automatically cleans and sprays surface with silver solution.
GOE: 06.04.33 STRENGTH: L GED: R2 M2 L2 SVP: 4 DLU: 77

500.684-026 PLATER, PRINTED CIRCUIT BOARD PANELS (electron. comp.)

    Electroplates printed circuit board (PCB) panels with metals, such as copper, tin, gold, nickel, or solder, to resist corrosion, improve electrical conductivity, and facilitate solder connections: Dips panels in cleaning solutions or wipes panels with cloth to clean panels. Clamps panels or rack of panels to overhead bar above tanks to complete electrolytic current. Immerses panels in plating solution. Sets timer for specified plating time and turns on electrical current. Observes meter and turns dial to maintain specified current in plating solution. Removes plated panels and immerses panels in rinsing tank. Examines plated panels for defects. May test thickness of plating, using gauge or test equipment. May tape areas to be excluded from plating, using tape machine. May trim excess material from PCB panels, using shearing machine. May calculate amperage setting, following specified formula. May be designated according to plating material used as Gold Plater (electron. comp.); Nickel Plater (electron. comp.).
GOE: 06.02.21 STRENGTH: H GED: R2 M1 L2 SVP: 3 DLU: 86

500.684-030 PLATER, SEMICONDUCTOR WAFERS AND COMPONENTS (electron. comp.)

    Electroplates semiconductor wafers and electronic components, such as copper leads and rectifiers, with metals, such as gold, silver, and lead: Reads processing sheet to determine plating time and specifications. Places components or wafers in basket or fixture, using tweezers, and immerses components or wafers in chemical solution baths for specified time to clean and plate components or wafers. May measure thickness of photoresist and metal on wafer surface, using micrometer, and test electrical circuitry of individual $T3die$T1 on wafer, using test probe equipment. May measure anode width on wafer surface, using microscope measuring equipment.
GOE: 06.04.19 STRENGTH: L GED: R3 M2 L2 SVP: 3 DLU: 86

500.684-034 PLATER (inst. & app.) alternate titles: electroformer

    Plates component parts, such as micromesh screen patterns and electronic tubes, used in medical and laboratory measuring and controlling instruments, using electrolytic plating tank: Positions screen pattern or component part in frame or on rack, and hangs frame or rack in plating tank. Sets switch for specified plating time, and activates electric current to deposit ionized metal on nonprinted area of screen pattern or component part. Immerses electroformed part in water to rinse off electrolyte, and immerses rinsed part in solvent to dissolve pattern. May measure thickness of electroplating on component part to verify conformance to specifications, using micrometer.
GOE: 06.02.32 STRENGTH: L GED: R3 M2 L2 SVP: 5 DLU: 89

500.685-010 ETCHER, ELECTROLYTIC (cutlery-hrdwr.) alternate titles: etcher

    Tends equipment that electrolytically etches markings, such as insignias, trademarks, and part numbers on metal articles: Turns switches on power control unit to allow flow of electric current through electrolytic solution in tank. Positions workpiece on stencil and against contact strip to complete electric circuit. Places workpiece in electrolytic solution that etches stencil markings on metal. Removes workpiece from solution, after specified time, and sprays workpiece with water to remove acid. Immerses workpiece in rust preventive solution.
GOE: 06.04.10 STRENGTH: L GED: R2 M2 L2 SVP: 2 DLU: 77

500.685-014 PLATING EQUIPMENT TENDER (electroplating) alternate titles: electroplater, automatic; plater production

    Tends automatic equipment that conveys objects through series of cleaning, rinsing, and electrolytic plating solutions to plate objects with metallic coating: Starts equipment and regulates flow of electricity through plating solution and immersion time of objects in solutions, according to specifications. Monitors automatic plating process to ensure conformance to standards. Adds water or other materials to maintain specified mixture and level of cleaning, rinsing, and plating solutions. Observes temperature gauges and adjusts controls to maintain specified temperatures of cleaning and rinsing solutions. Lubricates moving parts of plating conveyor. Cleans plating and cleaning tanks. May test plating solution, using hydrometer and litmus paper, or obtain random sample of plating solutions for laboratory analysis. May replace anodes and cathodes in plating equipment. May fasten objects onto hooks or racks, or place objects into containers or onto conveyor attached to plating equipment. May start and monitor computerized plating process. May manually immerse objects into plating or rinsing solutions.
GOE: 06.04.21 STRENGTH: M GED: R2 M2 L2 SVP: 3 DLU: 88

500.686-010 LABORER, ELECTROPLATING (electroplating) alternate titles: electroplater helper; plater helper; plating-department helper

    Performs any combination of following tasks to load and unload electroplating equipment or to assist PLATER (electroplating) 500.380-010: Fastens metal workpieces to devices, such as hooks, racks, and cathode bars, or loads workpieces in baskets or barrels. Immerses workpieces in series of cleaning, plating, pickling, and rinsing tanks, following timed cycle, manually or using hoist. Carries workpieces between conveyors that move workpieces through electroplating processes. Sets temperature dials of tanks to prescribed level. Flips switch to activate electroplating process in tanks. Removes workpieces from hooks, racks, bars, baskets, or barrels, and examines workpieces for plating defects, such as rough spots and thin plating. Dries plated workpieces, using oven, centrifugal drier, or sawdust-filled container. Packs workpieces in boxes or cartons for shipment [PACKAGER, HAND (any industry) 920.587-018]. Drains solutions from and cleans and refills tanks. Removes buildup of plating metal from racks, using hammer or compressed-air vibrator, and coats racks with shellac. Replaces damaged or worn equipment parts. May be designated according to task performed as Cleaner (electroplating); Rack Cleaner (electroplating); Racker (electroplating); Sawdust Drier (electroplating).
GOE: 06.04.21 STRENGTH: H GED: R2 M2 L2 SVP: 2 DLU: 88

500.687-010 PLATE-TAKE-OUT WORKER (elec. equip.)

    Removes storage-battery plates from forming tanks preparatory to further processing. Submerges negative plates in water-filled tank truck to prevent excessive oxidation. Stacks positive plates in dry tank. May push loaded tank trucks to washing and drying room.
GOE: 06.04.24 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

501 DIP PLATING OCCUPATIONS

    This group includes occupations concerned with covering, without electrolysis, the surfaces of objects with metal coatings by immersing them in molten, liquid, or solute form of the coating metal, or in materials which react with the object surface to form the metal coating.

501.130-010 SUPERVISOR, HOT-DIP-TINNING (steel & rel.)

    Supervises and coordinates activities of workers engaged in operating hot-dip-tinning machines to tinplate black-pickled steel sheets, and in classifying and assorting tinplate. Trains workers in set up of machines. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: M GED: R4 M3 L4 SVP: 8 DLU: 77

501.137-010 SUPERVISOR, HOT-DIP PLATING (galvanizing)

    Supervises and coordinates activities of workers engaged in applying corrosion-resistant coatings of zinc, tin, or other metal to variety of metal objects. onitors gauges to verify operational specifications, such as solution temperature and immersion time. Examines products for even and complete coating. Trains new workers in job duties. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: L GED: R4 M3 L4 SVP: 7 DLU: 77

501.362-010 COATING-MACHINE OPERATOR (galvanizing)

    Sets up and controls automatic hot-dip lines to plate steel sheets with protective coating of metal, such as tin or terne: Reads production schedule to determine setup of lines. Turns screwdown mechanism to set distance between coating brushes and rolls, using handtools. Measures and sets stops and guides on automatic feeder and conveying equipment according to dimensions of product to be coated, using rule and wrenches. Turns controls to set temperatures of coating metal and palm-oil pots. Starts conveyor line and moves controls to synchronize speed of line with speed of coating machine that conveys sheets into molten tin covered with palm oil to cause even distribution of tin. Inspects coated product for defects and changes setup to coat sheets to specifications. May be designated according to type of coating as Tinner, Automatic (galvanizing).
GOE: 06.02.10 STRENGTH: M GED: R3 M3 L3 SVP: 7 DLU: 77

501.485-010 WIRE-COATING OPERATOR, METAL (galvanizing) alternate titles: strand galvanizer; wire galvanizer

    Tends one or more machines, equipped with series of tanks, that coat wire with corrosion-resistant material, such as tin, zinc, or lead: Lifts and mounts coils of wire on feed reels. Threads end of wire through series of guides, rollers, wipers, and tanks and secures it to rewind reel. Moves levers to heat coating material to molten consistency and set specified temperature of fluxing, cooling, and cleaning baths. Moves controls to start machine, set tension on wire, and adjust speed that wire feeds through tanks. Observes levels of materials in tanks and replenishes material when levels drop below specified point. Measures finished wire to ensure uniformity of coverage, using micrometer. Adjusts machine settings to regulate thickness of coating, according to specifications. Welds coils of wire together, using butt-welder, to maintain continuous wire coating operation. May be designated according to type of coating material applied as Lead Coater (galvanizing); Wire Tinner (galvanizing).
GOE: 06.04.21 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

501.685-010 PLATER, HOT DIP (galvanizing) alternate titles: galvanizing dipper; pot runner

    Tends equipment to coat iron and steel products with corrosion-resistant molten nonferrous metal: Suspends metal objects, such as pails, shelving, nuts and bolts, and structural steel from conveyor hooks or places them in wire baskets. Immerses objects in chemical solution to clean surface of scale and foreign matter. Lowers objects into tank of ammonium chloride or other flux to protect surface from oxidation and facilitate coating. Dips objects into tank of molten metal to coat objects, using hoist or conveyor. Removes objects from tanks after specified time. Places objects, such as nuts and bolts, in centrifuge and starts machine to cool objects and remove excessive coating. Places objects, such as shelving and structural steel, into water tank or transfers them to storage area to cool. Smooths coating, using wire brush and file. Inspects objects for even and complete coating and returns defective objects for reprocessing. Scoops dross from tank, using long-handled scoop, pours dross into molds, and weighs molded dross. Turns valves to regulate temperature in dipping tank. Adds coating metal and chemicals to maintain specified levels and mixtures in cleaning, dipping, and fluxing tanks. ay be designated according to type of coating applied as Galvanizer, Zinc (galvanizing); Tin Dipper (galvanizing).
GOE: 06.04.21 STRENGTH: H GED: R2 M1 L1 SVP: 4 DLU: 77

501.685-014 TINNING-EQUIPMENT TENDER (elec. equip.)

    Tends equipment that coats preassembled groups of contact springs for relays and switches: Secures springs with screws, using foot-controlled pneumatic screwdriver. Loads multispring subassemblies on conveyor of equipment that coats terminals of subassemblies with tin. Loads solder bars and flux solution into equipment, and sets thermostat to control temperature of tinning solution.
GOE: 06.04.21 STRENGTH: L GED: R1 M1 L1 SVP: 2 DLU: 77

501.685-018 BLACK OXIDE COATING EQUIPMENT TENDER (electron. comp.) alternate titles: black oxide operator

    Tends computerized equipment that applies black oxide coating to printed circuit board (PCB) panels to prevent electrical contact between layers and to aid adhesion of layers of multilayer PCB's: Loads PCB panels into racks and positions racks under equipment crane. Pushes button to activate crane that automatically lifts racks of panels and immerses racks into series of tanks that coat panels with black oxide. Measures temperature of solutions with pyrometer and turns equipment knobs and valves to adjust temperature and regulate liquid volume. Places panels in oven to dry.
GOE: 06.04.21 STRENGTH: M GED: R2 M2 L2 SVP: 2 DLU: 86

501.685-022 ELECTROLESS PLATER, PRINTED CIRCUIT BOARD PANELS (electron. comp.) alternate titles: deposition operator

    Tends electroless plating equipment that immerses printed circuit board (PCB) panels into series of chemical tanks to clean, rinse, and deposit metal plating on panels to improve electrical conductivity and facilitate solder connections in production of PCB's: Turns valves to fill tanks with solutions to specified levels. Loads panels onto dipping racks and attaches racks to bar, hoist, overhead crane, or holding fixture. Sets timer for deposition cycle. Keys data into computer keyboard, presses buttons or pulls levers to activate equipment that moves racks of panels through tanks, or lowers racks into tanks manually. Observes gauges and adjusts valves on tanks to maintain required temperature. Removes PCB upon completion of deposition cycle. May compute length of deposition cycle, using calculator. ay add chemicals to tanks. May be designated according to type of coating applied as Copper Deposition Operator (electron. comp.).
GOE: 06.04.21 STRENGTH: H GED: R2 M2 L2 SVP: 2 DLU: 86

502 MELTING, POURING, CASTING, AND RELATED OCCUPATIONS

    This group includes occupations concerned with heating metal to change it from a solid to a liquid state, pouring it into a mold or other receptacle and allowing or causing it to solidify.

502.130-010 SUPERVISOR, CASTING-AND-PASTING (elec. equip.)

    Coordinates processes, supervises workers, and sets up machines used to manufacture storage-battery grids and plates: Coordinates hand and machine operations, such as lead melting, casting and trimming, paste mixing, grid pasting and drying, and inspection. Sets up machines, such as trimming press and pasting machines. Adjusts stops, guides, blades and rollers, and changes molds. Inspects in-process or finished parts, such as grids, connectors, and wet and dry plates to determine conformance to specifications. Observes gauges, thermometers, temperature controls, and operation of machines and equipment to detect malfunctions and directs or makes changes to correct defects. Reports mechanical breakdowns to maintenance department. Performs other duties as described under SUPERVISOR (any industry) aster Title. May be designated according to operation supervised as Supervisor, Grid-Casting-And-Pasting (elec. equip.); Supervisor, Plate Pasting (elec. equip.).
GOE: 06.01.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

502.362-010 SHOT DROPPER (ordnance)

    Controls kettles at top of shot tower to melt scrap shot, pure lead, and lead alloys and drops mixture through perforated pans down tower to form shot for shotgun shells: Computes in pigs and pounds, amounts of pure lead and lead alloys, containing various percentages of antimony, required to produce mixture of specified antimony content. Notifies MATERIAL HANDLER (any industry) type and quantity of pigs to load onto conveyor. Starts conveyor and turns wheel or moves lever to regulate feed rate of lead pigs and scrap shot into kettle. Observes pyrometers and turns knobs to adjust kettle temperature, according to specifications. Positions specified $T3shot pan, spreader pan, and cup$T1 in fixture beneath kettle spout. Turns crank to regulate molten metal flow from kettle into cup. Observes falling pellets to detect defects, such as irregular shot size, clogged holes in shot pan, and impurities in lead. Adjusts flow of lead to increase or decrease size of pellets. Adjusts kettle temperature to burn out impurities. Removes pans and dips pans in kettle to melt clogged lead from perforations prior to reuse. Shakes shot samples through gauging sieve and estimates production of specified shot size from percentage of pellets passing through sieve.
GOE: 06.02.10 STRENGTH: M GED: R3 M3 L3 SVP: 6 DLU: 77

502.381-010 CASTER (jewelry-silver.) alternate titles: molder; slush caster

    Casts jewelry pieces and ornamental figures for trophies and plaques from molten lead or zinc: Melts zinc or lead alloy bars in kettle. Assembles sections of mold and secures mold with C-clamp. Pours molten metal into mold, using hand ladle. Disassembles mold after specified time and knocks sand from casting, using mallet. Places jewelry piece or figure in tray to cool.
GOE: 06.02.24 STRENGTH: M GED: R3 M2 L2 SVP: 6 DLU: 77

502.381-014 MOLDER, PUNCH (aircraft mfg.) alternate titles: molder; molder, closed molds

    Casts male dies (punches) used in stamping aircraft parts from sheet metal: Operates hoist to position female dies on foundry floor [MONORAIL CRANE OPERATOR (any industry) 921.663-042]. Clamps metal and plywood strips around die to form mold. Shapes mold to specified contours with sand, using trowel and related tools. Tilts melting pot or uses ladle to pour molten alloy (aluminum, lead, zinc) into sand mold. Places metal jig with anchor bolts attached, or similar insert setup, over mold and into molten metal in prescribed manner to attach anchor bolts to punch. May smooth dies. May preheat dies, using blowtorch or other equipment. May apply parting compound to dies. May operate furnaces and ovens.
GOE: 06.02.24 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 88

502.382-010 BULLET-SLUG-CASTING-MACHINE OPERATOR (ordnance) alternate titles: machine-casting operator and adjuster

    Operates machine to cast slugs for subsequent swaging into small arms ammunition bullets: Slides lead pigs and scrap into melting kettle, turns valves to control fuel-air mixture to furnace and coolant water flow to molds, and starts pump that forces molten metal through pipes to casting wheels adjacent to kettle. Starts machine and observes water on heated molds to determine when water sizzles, indicating specified temperature of molds for production casting. Examines slugs for such defects as fins, out of miter (halves not matching), partial formation, and pits. Adjusts machine controls and replaces worn and warped molds to correct malformation of slugs, using handtools. Examines molds, using straightedge and light, to detect incomplete closure and warpage, and straightens warped molds, using hand-powered press.
GOE: 06.02.10 STRENGTH: H GED: R3 M2 L2 SVP: 5 DLU: 77

502.382-014 FLUOROSCOPE OPERATOR (nonfer. metal)

    Operates fluoroscope to inspect metal castings for hidden defects, such as excessive porosity and subsurface cracks: Aligns castings on table, lowers fluorescent screen over castings, and starts machine. Turns dials to adjust fluorescent penetration depth according to density of metal. Examines reflections of castings on illuminated lid to locate defects. Realigns castings for cross-sectional views, adjusting dials to new focus points. Rejects castings not conforming to plant specifications, and places castings aside for salvaging. Notifies superior of findings. Records number of castings inspected and rejected, using automatic counter. Submits minometer pencil worn on person to supervisory personnel for reading to ascertain amount of stray radiation escaping from fluoroscope. May inspect casting for defects, using magnetic testing machine [INSPECTOR, MAGNETIC PARTICLE AND PENETRANT (any industry) 709.364-010].
GOE: 06.03.01 STRENGTH: L GED: R3 M3 L3 SVP: 5 DLU: 77

502.384-010 PEWTER CASTER (jewelry-silver.)

    Casts pewter alloy to form parts for goblets, candlesticks, and other pewterware: Places pewter ingots into cauldron and turns controls to heat cauldron to specified temperature. Stirs molten alloy and skims off impurities, using skimmer. Sands inside of mold parts to remove glaze residue, using emery cloth; applies new glaze, using paint brush; and sets mold parts aside to dry. Assembles mold, wraps mold in heat-resistant cloth, and ladles molten alloy into mold opening. Manually rotates mold to distribute alloy in mold and prevent formation of air pockets. Strikes mold to separate dried casting from mold, using knocker. Repeats casting process until specified number of parts are cast. Trims gates and sharp joints from cast parts, using bandsaw. Carries trimmed castings to storage area. Periodically weighs and mixes alloy ingredients according to formulas and knowledge of ingredient chemical qualities, heats mixture to specified temperature, and fills molds to form ingots from which parts are cast. ay cast items, using other equipment, such as temporary molds or casting machines.
GOE: 06.02.24 STRENGTH: H GED: R3 M2 L2 SVP: 6 DLU: 86

502.482-010 CASTER (nonfer. metal)

    Operates gas-fired furnace to melt nonferrous metal, such as aluminum, magnesium, and zinc, and pours molten metal into molds to form castings of items, such as kitchen utensils, laundry equipment, metal furniture, and power mower housings: Weighs specified amounts of ingots or scrap and loads metal into furnace. Turns valve to regulate temperature in furnace. Verifies specified pouring temperature of molten metal, using pyrometer. Positions and clamps specified mold in holding device. Dips hand ladle into furnace pot and pours molten metal into mold. Observes light on preset timing gauge which indicates metal in mold has solidified. Removes casting from mold with handtools, and examines casting for defects, such as cracks, chips, and missing metal. May transport ladle from furnace to pouring station, using jib or monorail crane.
GOE: 06.02.10 STRENGTH: M GED: R2 M2 L2 SVP: 3 DLU: 77

502.482-014 CASTING-MACHINE OPERATOR, AUTOMATIC (elec. equip.) alternate titles: parts-casting-machine operator

    Operates one or more automatic single- or multiple-mold casting machines to mold storage battery parts, such as grids, connectors, and posts: Loads lead bars or shovels pig lead and scrap lead into melting kettle. Ignites burners and sets controls to melt lead and heat molds to specified temperature. Smokes or coats mold with compound to prevent sticking, using acetylene torch or spray gun. Aligns and adjusts mold halves to ensure casting of grids according to specified thickness, using handtools. Turns valves to control flow of lead to ladles and water to mold-cooling sprays. Starts machine that automatically pours specified amount of lead from ladle into mold. Inspects parts ejected from molds to detect defects or discolorations, and measures and weighs grids, using fixed gauges and scale, to ensure conformance to thickness and weight specifications. Adjusts temperatures of lead and molds and flow of lead or water to correct defects. Removes lead adhering to mold, using brush or scraper. Skims dross from molten lead, using hand ladle. May operate single-mold machine equipped with press that automatically trims grids. May repair pipe connections and stitch or replace conveyor belt, using handtools. May change or adjust molds.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

502.482-018 ROTOR CASTING-MACHINE OPERATOR (elec. equip.) alternate titles: die-casting machine operator

    Sets up and operates die press, using demountable dies (dies with interchangeable parts) to cast motor and generator rotors: Stacks rotor core laminations [LAMINATION ASSEMBLER (elec. equip.)] and mounts them over keyed mandrel secured to die base of casting machine. Verifies skew of core slots, using fixed gauge and places die shell and top plate over assembly and secures with C-clamp. Loads aluminum bar stock into pot-type furnace. Observes thermocouple dial and turns gas valve to regulate temperature of molten metal. Lines cylinder pot with asbestos strips and disk to prevent chilling. Pours specified amount of molten aluminum into cylinder, using hand ladle. Loads die and lamination assembly into press cavity and closes door. Pulls levers to activate die rams that force molten aluminum through and around laminations and eject cast rotor from press cylinder. Removes and stamps rotor with identifying data.
GOE: 06.02.10 STRENGTH: H GED: R3 M2 L2 SVP: 5 DLU: 77

502.664-010 BLAST-FURNACE KEEPER (steel & rel.)

    Taps blast furnace to fill ladles with molten metal: Drills taphole preparatory to tapping, using power hand drill. Positions splasher plate in front of taphole to prevent splashing of metal when furnace is tapped. Guides point of oxygen lance into drilled taphole to tap furnace. Opens gates and shutters to direct flow of molten iron onto runners and into ladles. Plugs taphole after ladles are filled, using mud gun. Assists other workers in breaking up and removing slag from runners, relining runners with sand, clay, and refractory mixture, and drying relined runners. Repairs or replaces defective tuyeres, blowpipes, and boshplates in furnace, using handtools.
GOE: 06.04.10 STRENGTH: H GED: R3 M2 L2 SVP: 6 DLU: 77

502.664-014 STEEL POURER (steel & rel.) alternate titles: caster

    Pours molten metal from ladles into molds to form ingots: Examines molds to ensure that they are clean, smooth, and coated. Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to position pouring nozzle of ladle over molds. Pulls lever to lift ladle stopper and allow molten steel to flow into ingot molds to specified height. Replaces defective stoppers, using handtools, sledges, and bars. Signals STEEL-POURER HELPER (steel & rel.) during steel pouring operation to obtain sample of steel for analysis, spray water on filled molds, and cap molds. Removes solidified steel or slag from pouring nozzle, using long bar or oxygen burner.
GOE: 06.02.24 STRENGTH: M GED: R3 M2 L2 SVP: 6 DLU: 77

502.664-018 STEEL-POURER HELPER (steel & rel.)

    Assists STEEL POURER (steel & rel.) in pouring molten metal into molds: Places equipment, such as shovels, water hose, and boards on pouring platform. Counts molds and caps to ensure specified number for pouring operation. Measures and marks molds to indicate specified filling heights, using tape and chalk. Weighs specified additives, and transports additives to pouring platform, using wheelbarrow. Shovels additives into molds to prevent metal from boiling and forming air bubbles inside ingot. Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to position hot-tops (covers) or steel plates on filled molds to retard cooling of steel. Pours sample of molten steel into test mold for laboratory analysis. Sprays mold covers with water to cool covers. Signals OVERHEAD CRANE OPERATOR (any industry) to remove covers from molds after steel has solidified. Removes bricks from ladles that require relining and sets stopper assemblies and nozzles in relined ladles, using bars, sledge, and handtools. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.02.24 STRENGTH: M GED: R2 M2 L2 SVP: 5 DLU: 77

502.682-010 BULLET-CASTING OPERATOR (ordnance)

    Controls automatic equipment to melt and cast lead into cylindrical billets, and extrude billets into wire for making bullets and cores used in small arms ammunition: Starts electric furnace, observes gauges, and turns rheostat to maintain specified temperature and pressure. Charges furnace with lead pigs and scrap of specified alloy, using conveyor and elevating platform. Skims dross from molten lead with skimming ladle. Turns wheel to adjust flow of molten lead into mold. Adjusts stroke of billet extractor mechanism, installs extruding dies, and regulates ram speed and flow of water coolant, using handtools. Threads extruded wire over pulleys into slug-forming machines or through guide pipes to be coiled in drums. Verifies wire size with snap gauges to ensure conformity to specifications.
GOE: 06.02.10 STRENGTH: H GED: R3 M2 L2 SVP: 4 DLU: 77

502.682-014 CASTING-MACHINE OPERATOR (nonfer. metal)

    Sets up and operates continuous casting machine to produce tubes and rods: Threads graphite die into bottom of crucible that holds molten metal during casting process. Places water jacket around die and connects waterlines. Inserts metal bar (starting tip) through die into crucible to form weld with molten metal. Inserts metal extension rod through driving rollers and threads rod to starting tip. Regulates speed of rollers to draw extension rod, starting tip, and molten metal through die in continuous casting process.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

502.682-018 CENTRIFUGAL-CASTING-MACHINE OPERATOR (jewelry-silver.) alternate titles: caster

    Operates one or more centrifugal-casting machines to cast metal parts of costume jewelry: Dusts inside of rubber mold with chalkdust compound to facilitate flow of metal during casting and prevent mold from burning. Fits halves of molds together and places them on mold setting. Places disks under mold to adjust working pressure. Positions metal-pressure plate on mold to level mold on machine. Sets dial for specified pressure and speed of rotation, closes lid, and starts machine. Pours molten metal through funnel into machine, using ladle. Stops machine and removes mold. Separates halves of mold to remove casting, using pliers. May cast wax models of jewelry.
GOE: 06.02.10 STRENGTH: L GED: R3 M2 L2 SVP: 5 DLU: 77

502.684-010 LEAD CASTER (elec. equip.) alternate titles: parts caster, hand

    Casts lead storage battery parts, such as grids, connectors, posts, and straps: Installs specified type and size mold on bed of machine, using handtools. Loads lead bars or shovels pig lead or scrap lead into melting kettle. Ignites burner and sets controls to melt and heat lead to casting temperature. Coats or smokes faces of mold to prevent sticking, using spray gun or acetylene torch. Dips ladle into molten metal and pours metal into mold. Moves lever or strikes knock-out pins with mallet to open mold and release parts. Inspects parts for cracks, flash, or faulty molding, and adjusts temperature of kettle to correct defects. Trims edges of parts, using hand scraper or pedal-operated power shear. Cleans mold, using brush. May change mold inserts and adjust knock-out pins, using handtools and depth gauge. ay position and manually hold one half of mold against other half, pour metal into mold, and separate mold parts and loosen castings, using soft mallet. May pour lead into molds held in radial arms of machine that brings molds to worker and discharges castings onto table. May sort and weigh parts. May be designated according to part cast as Grid Caster (elec. equip.).
GOE: 06.04.10 STRENGTH: L GED: R2 M2 L2 SVP: 3 DLU: 77

502.684-014 MILL HELPER (nonfer. metal) alternate titles: lead-sheet cutter

    Mixes specified ingredients with molten lead, pours lead into molds, and cuts lead slabs to specified dimensions: Charges kettle with materials for melting, using shovel. Guides crane-supported mixer into kettle, and mixes contents in kettle. Opens valve permitting molten metal to flow into mold to form slab. Skims surface of bath to remove impurities, using skimming board. Marks cutting lines on lead sheet, using chalk, steel square, and tape measure, after ROLLING-MILL OPERATOR (nonfer. metal) has rolled slabs into sheets of specified thickness. Guides power-driven knife along chalklines to cut sheets to specified size. Cuts smaller sheets, using portable electric saw or slitting machine. May melt solidified metal in outlet pipes, using gas torch.
GOE: 06.04.24 STRENGTH: H GED: R2 M2 L2 SVP: 3 DLU: 77

502.684-018 MOLD SETTER (elec. equip.) alternate titles: casting-machine adjuster

    Positions and aligns molds used for hand or machine casting lead parts, such as grids, battery posts, and straps: Positions and secures mold on bed of machine, using handtools. Adjusts timing mechanism to coordinate flow of lead and coolant to molds. ay oversee workers engaged in hand or machine casting.
GOE: 06.04.32 STRENGTH: M GED: R3 M3 L3 SVP: 3 DLU: 77

502.684-022 NEEDLE LEADER (button & notion) alternate titles: needle molder

    Casts needle or thread guide assemblies for use in knitting machines: Selects size and type of mold according to instructions. Positions needles or thread guides into mold slots with fingers and closes mold preparatory to casting process. Ladles molten lead into mold opening to form casting around parts. Removes assembly from mold, using pliers. Cuts excess lead from assembly and smooths rough edges, using knife, saw, and electric grinder. ay align needles or thread guides, using gauges, hammer, and pliers.
GOE: 06.04.32 STRENGTH: L GED: R2 M2 L2 SVP: 2 DLU: 77

502.685-010 MOLDER, LEAD INGOT (ordnance)

    Tends furnace to melt lead-antimony pigs and scrap, and ladles molten metal into molds: Slides pigs into furnace pot, allowing oil fumes to burn off melting metal to avoid accumulation of explosive oil vapor-air mixture. Stirs molten metal, skims dross from surface, and ladles metal into ingot molds. Turns valves to control flow of coolant water to molds. Inverts molds, when metal is solidified, and knocks ingots loose.
GOE: 06.04.10 STRENGTH: H GED: R2 M2 L2 SVP: 2 DLU: 77

502.685-014 REMELTER (elec. equip.; machinery mfg.; print. & pub.)

    Tends furnace that melts scrap metal and casts it into pigs (bars or ingots) for reuse: Regulates furnace controls to attain specified temperature. Shovels scrap metal into furnace. Skims dross (scum) from molten metal, using ladle. Turns valve and allows molten metal to run into molds to form pigs. Removes cooled pigs from mold and stacks pigs in storage area.
GOE: 06.04.10 STRENGTH: M GED: R2 M2 L2 SVP: 2 DLU: 77

502.686-010 CASTING-MACHINE-OPERATOR HELPER (elec. equip.) alternate titles: grid-casting-machine-operator helper

    Assists CASTING-MACHINE OPERATOR, AUTOMATIC (elec. equip.) in molding storage battery grids performing such tasks as removing grids from machine rails, counting grids, and stacking grids on dollies. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

502.687-010 BLAST-FURNACE-KEEPER HELPER (steel & rel.)

    Assists BLAST-FURNACE KEEPER (steel & rel.) in tapping blast furnace: Breaks slag from casting equipment, such as slag runners, iron troughs, gates, and dams, using bars, hammers, and shovels. Relines runners, troughs, gates, and dams with refractory materials, such as fireclay, sand, and coal dust. Cleans and loads clay gun for plugging taphole. Removes obstructions in runners during casting operations, using tong bar. Obtains sample of molten iron during cast, with spoon and pours sample into test mold. Assists in changing tuyeres, coolers, cinder notches, and blowpipes on blast furnace, using handtools. Cleans dust, debris, and solidified metal from blast furnace and casting area. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: H GED: R2 M2 L2 SVP: 3 DLU: 77

502.687-014 BUSHER (nonmet. min.)

    Pours molten lead into center of grinding wheels to form bushing: Lights blowtorch under pot to melt lead. Positions grinding wheels on table with shaft or spindle protruding through center of wheel. Fills area around shaft with molten lead to form bushing. Cuts excess lead from around edge of bushing, using mallet, chisel, and power reamer.
GOE: 06.04.32 STRENGTH: H GED: R2 M1 L1 SVP: 2 DLU: 77

502.687-018 LEAD-CASTER HELPER (elec. equip.)

    Performs any combination of following duties pertaining to casting of lead storage battery parts: Inspects cast storage-battery parts, such as lead washers, lugs, connectors, straps, and trimmed grids for holes, warps, discoloration, or other defects, and segregates rejects for salvage. Cleans excess lead (fins, flashings, and burs) from parts, using handtools. Stacks acceptable grids and sorts other parts according to type. Shovels pig and scrap lead into melting kettle. Skims dross from molten metal, using ladle. May tally number and type of rejects. May be designated according to part processed as Casting Inspector (elec. equip.); Grid Inspector (elec. equip.); or task performed as Lead-Supply Worker (elec. equip.).
GOE: 06.04.24 STRENGTH: L GED: R2 M1 L1 SVP: 2 DLU: 77

503 PICKLING, CLEANING, DEGREASING, AND RELATED OCCUPATIONS

    This group includes occupations concerned with removing coatings of grease, scale, tarnish, oxide, etc., from metal objects to obtain a clean surface. Cleaning is usually accomplished by subjecting the metal objects to acid baths.

503.137-010 SUPERVISOR, SANDBLASTER (ship-boat mfg.)

    Supervises and coordinates activities of workers engaged in sandblasting surfaces of ships in drydock and shop equipment: Confers with planning personnel to ensure requisition of equipment and materials. Inspects work to ensure conformance to prescribed standards. Trains new workers. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 05.12.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

503.362-010 PICKLER, CONTINUOUS PICKLING LINE (any industry) alternate titles: cleaner operator; continuous-dryout operator; pickler operator; strip cleaner

    Sets up and controls continuous pickling or electrolytic-cleaning line to remove dirt, oil, and scale from coils of brass, copper, or steel strip and wire: Turns valve to add acid to processing tanks and shovels inhibitor into tanks to obtain baths of specified acid concentration. Installs and adjusts guides, pinch and leveler rolls, and side shears on processing line, according to specified dimensions of coils to be cleaned, using handtools. Moves controls to regulate speed of coil through line, to shear coil on each side of weld or stitch, and to remove coil from upcoiler machine. Verifies dimensions of pickled coils, using micrometer and measuring tapes. Examines surface of coils to verify removal of dirt, oil, and scale. Tests solution concentration in baths, using titration test equipment, and adjusts processing line controls to ensure conformance to specifications. May be designated according to type of line controlled as Electrolytic De-Scaler (any industry).
GOE: 06.02.10 STRENGTH: M GED: R3 M3 L2 SVP: 6 DLU: 78

503.362-014 SHOTBLAST-EQUIPMENT OPERATOR (foundry)

    Operates equipment to clean dirt, scale, and core materials from steel castings with blasts of steel shot: Presses control panel buttons to adjust equipment settings for manual or automatic operations, length of cycle, sequence and timing of various operations, and position of oscillator. Moves control to activate tow-mechanism drive to transport trolley loaded with castings into shotblast chamber, and watches operation to ensure that hydraulic doors close completely, trolley and oscillator positions are correct, and that air turbine and shotblast wheels start in sequence. Monitors control panel dials and listens to equipment operations to detect jams or malfunctions. Stops equipment to clear jams, replace fallen castings, reposition oscillator, and adjust hydraulic equipment. Notifies machine repairer when unable to correct malfunction. Greases equipment, maintains hydraulic fluid levels, and performs minor maintenance, using grease gun and handtools.
GOE: 06.02.10 STRENGTH: H GED: R3 M2 L3 SVP: 5 DLU: 86

503.684-010 CLEANER (ordnance)

    Cleans and prepares subassemblies of pistols, rifles, shotguns, and revolvers for bluing: Disassembles components, such as barrel and ratchet, trigger and hammer, trigger guard, and back strap. Blows out particles remaining after sand blasting, using airhose. Places parts in rack or wire basket and immerses parts in degreasing tank to remove oil and dirt. Mixes alcohol and whitening powder and rubs resultant paste onto gun parts to facilitate bluing. Wires parts together and attaches them to immersing rod. Blows excess solution from blued parts with airhose. Inspects parts for nicks, scratches, clearness of trademark, and cleanness. Reassembles subassemblies, using screwdriver. May pour specified amount of chemical solution (acid) into degreasing tanks.
GOE: 06.04.39 STRENGTH: L GED: R2 M1 L1 SVP: 3 DLU: 77

503.685-010 COATER (business ser.)

    Tends equipment that cleans, coats, and dries baking pans: ixes cleaning and glazing solutions according to formula or uses premixed solutions. Places pans in baskets and immerses baskets in stripping and soaking tanks to remove glaze and corrosion. Fills spray reservoirs with cleaning and glazing solutions. Removes pans from tanks and places pans on conveyor that carries pans through sprays that wash and coat surfaces with glazing solution to reduce need for greasing and to protect them against rust. Turns nozzles to adjust direction and pressure of sprays. Transfers pans to ovens that dry coating. Turns knobs to adjust oven temperature according to chart. Removes pans from oven and examines surfaces to detect defects, such as warpage and uneven coating. Tends hydraulic press to straighten warped pans. May tend overhead hoist to immerse and transfer pans to and from tanks, conveyors, and ovens. May load and unload pans from trucks, using handtruck.
GOE: 06.04.21 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

503.685-014 DIP-LUBE OPERATOR (ordnance)

    Tends tanks to clean lead bullets and coat bullets with wax: Scoops bullets into perforated drum and immerses bullets in solvent to remove chips and grease. Immerses bullets into molten wax. Presses buttons on portable control box to rotate drum. Empties coated bullets onto conveyor belt, closes cover of blower, and starts blower to dry wax and draw off solvent fumes. Examines bullets for defects, such as malformations, gouges, dents, or blunted ends. Discards defective bullets. Starts conveyor to dump bullets that conform to standards into tote boxes. Tests coating solution, using hydrometer, and adds solvent or wax to maintain specified viscosity.
GOE: 06.04.21 STRENGTH: H GED: R2 M1 L1 SVP: 2 DLU: 77

503.685-018 DRIFTER (steel & rel.) alternate titles: drifting-machine operator

    Tends drifting machine that removes scale from inner surfaces of pipe: Installs specified drift mandrel in machine, using handtools, and inserts pipe into head of machine. Moves controls to tighten pneumatic grip that holds pipe in position, and to move mandrel in and out of pipe to loosen scale.
GOE: 06.04.02 STRENGTH: M GED: R2 M2 L1 SVP: 3 DLU: 77

503.685-022 FLAME DEGREASER (automotive ser.)

    Tends oven and auxiliary equipment that burn away grease from used automobile parts preparatory to rebuilding: Ignites gas jets in degreasing oven. Starts machine conveyor and hangs or places grease-coated parts on moving conveyor that carries them through oven and deposits them in collecting basket. Shuts off machine when basket is full. Removes deposited soot and other foreign matter from parts, after parts have cooled, using rotating power brush.
GOE: 06.04.39 STRENGTH: M GED: R1 M1 L1 SVP: 2 DLU: 77

503.685-026 FURNACE-AND-WASH-EQUIPMENT OPERATOR (ordnance) alternate titles: continuous-washer operator

    Tends equipment that cleans and dries metal cartridge parts: Loads parts into hopper by hand or using hoist. Moves switches to start conveyor system and rotate open end tumbling barrels that remove oil, scale, and dirt from cartridge parts. Turns steam and water valves and reads gauges to regulate temperature and level of cleaning solutions in tanks and to regulate temperature in drying drum. Adds chemicals, such as acids and detergents, to maintain solutions at specified concentrations. Examines parts at ejection chute to ensure parts are cleaned and dried according to specifications. May operate electric tier-lift truck to position containers filled with parts on platform above feed hopper. May tumble parts in metal-drawing (lubricating) solution prior to drying process.
GOE: 06.04.10 STRENGTH: M GED: R2 M2 L2 SVP: 2 DLU: 77

503.685-030 METAL-CLEANER, IMMERSION (any industry) alternate titles: acid dipper; cleaner; galvanizer; grease remover; neutralizer; pickler; pickling operator; pickling-tank operator; power washer; process treater

    Tends equipment that chemically cleans grease, scale, dirt, and other foreign matter from metal objects to prepare them for processes, such as electroplating and galvanizing: Removes shavings, dirt, and rust spots from objects, using airhose, file, or sandpaper. Loads objects on conveyor which carries them through series of chemical and rinsing baths, or places objects on racks or in containers and immerses objects in chemical and rinsing solutions, manually or using hoist. Moves controls to start conveyor and to regulate temperature of solution or conveyor speed. Maintains consistency of cleaning solutions by adding specified amount of chemical to solutions. Drains, cleans, and refills tanks with chemicals. May dry objects, using dryer. May examine cleaned objects to ensure conformance to standards. May be known as Degreaser (any industry); or may be designated according to type of cleaning equipment as Ultrasonic Cleaner (any industry).
GOE: 06.04.39 STRENGTH: M GED: R2 M2 L1 SVP: 2 DLU: 86

503.685-034 METAL-WASHING-MACHINE OPERATOR (svc. ind. mach.)

    Tends machine that washes, rustproofs, and dries metal parts used in air-conditioners: Turns valves to activate spray washers. Reads dial instruments and turns valves to adjust pressure. Observes machine operation and loads conveyor line hooks with parts which are then degreased, rinsed, coated with rustproof film, and dried in oven. Tests solutions in tanks by placing few drops in test tubes or pipettes, applying chemical reagents and observing reaction of test sample. Strengthens or dilutes solution as necessary. May perform same tasks on parts used in manufacture of oil burners.
GOE: 06.04.21 STRENGTH: M GED: R2 M2 L2 SVP: 2 DLU: 77

503.685-038 SANDBLAST OPERATOR (ordnance)

    Tends automatic sandblasting machine that cleans grease, oil, and grit from fragmentation-bomb cavities: Rolls bomb off conveyor into machine cabinet. Closes door and sets automatic timer at starting position. Pushes button to release pressurized sand stream into bomb cavity. Stops machine when timer indicates completion of sandblasting. Opens cabinet and removes bomb.
GOE: 06.04.02 STRENGTH: M GED: R2 M2 L1 SVP: 3 DLU: 77

503.685-042 SANDBLAST-OR-SHOTBLAST-EQUIPMENT TENDER (any industry) alternate titles: bead blasting machine tender; shot-blast tender

    Performs any combination of following tasks to tend equipment that cleans dirt, scale, and other materials from metal objects with blast of abrasive, such as steel shot, sand, steel grit, or glass beads: Dumps or shovels objects into tumbler and starts tumbler that exposes surfaces of objects to blast of abrasive and tumbling action. Stacks objects on racks, places racks in chamber, and starts blast of abrasive. Places objects on moving conveyor that carries objects under blast of abrasive. Adjusts controls on equipment to regulate pressure and amount of abrasive blast. Pours or shovels abrasive material into feed hopper to replenish supply. May tend equipment to harden or strengthen surface of metal parts and be designated Shot-Peen Operator (any industry).
GOE: 05.12.18 STRENGTH: M GED: R2 M2 L1 SVP: 2 DLU: 87

503.685-046 STRIP-TANK TENDER (ordnance) alternate titles: enthone solder stripper

    Tends electrolytic stripping tank to remove excess silver solder from brazed areas of shotgun barrels: Loads barrels in rack and immerses rack in hot cleaning solution and rinsing baths, to remove grease and dirt. Lowers rack into electrolytic tank filled with sodium cyanide solution, using chain hoist. Connects positive charge (anode) to rack and turns valves to regulate temperature and level of liquid in tank. Turns controls to set timing cycle and to regulate flow of current through solution. Returns barrels containing excess solder to tanks for additional treatment. Dips barrels in rinsing tank and immerses them in oil bath to impart rustproof coating. Tests strength of cleaning and stripping solutions, using hydrometer, and adds chemicals to solution to maintain specified concentrations.
GOE: 06.04.10 STRENGTH: M GED: R2 M2 L1 SVP: 3 DLU: 77

503.686-010 PICKLER HELPER, CONTINUOUS PICKLING LINE (any industry) alternate titles: continuous-dryout-operator helper

    Assists PICKLER, CONTINUOUS PICKLING LINE (any industry) 503.362-010 in cleaning coils of metal strips and wire: Sets specified spacing between scale-breaking and straightening rolls and adjusts wipers, brushes, and feed guides, using handtools. Places metal coil on feed-out reel manually or with hoist and feeds leading edge of coil into rollers. Moves controls to lock trailing edge of processed coil to leading edge of coil on feed-out reel to form continuous workpiece. Stacks processed coils on skids. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.02.21 STRENGTH: M GED: R2 M2 L2 SVP: 3 DLU: 78

503.687-010 SANDBLASTER (any industry) alternate titles: abrasive-blasting equipment operator

    Abrades surfaces of metal or hard-composition objects to remove adhering scale, sand, paint, grease, tar, rust, and dirt, and to impart specified finish, using abrasive-blasting equipment: Shovels or pours abrasives, such as sand, grit, or shot of specified grade into machine hopper. Masks specified areas of object to protect from abrading action. Loads parts on racks in enclosed rooms, into tumbling barrels, or into cabinets. Turns valves on equipment to regulate pressure and composition of abrasive mixture flowing through nozzle or into tumbling barrel. Starts equipment that directs blast or flow of abrasive-laden compressed air, gas, or liquid over surface of parts. Manually directs nozzle over surface of large parts or inserts arms through glove-fitted cabinet openings and manipulates small parts under nozzle for specified interval. May examine finished parts to ensure conformance to specifications. May be designated by type of equipment or abrasive used as Cabinet-Abrasive Sandblaster (any industry); Shotblaster (any industry).
GOE: 05.12.18 STRENGTH: M GED: R2 M2 L1 SVP: 2 DLU: 87

504 HEAT-TREATING OCCUPATIONS

    This group includes occupations concerned with subjecting metal to heat, cold, or chemicals to relieve or redistribute stresses and affect such characteristics as hardness, flexibility, and ductility.

504.131-010 HEAT-TREAT SUPERVISOR (heat treating) alternate titles: heat treater, head; supervisor, hardening; supervisor, heat treating

    Supervises and coordinates activities of workers engaged in hardening, tempering, annealing, and other heat-treating processes to condition metal workpieces and products, applying knowledge of heat-treating processes and properties and structure of metals. Conducts metallurgical analyses on metal samples and machine tools. Estimates, requisitions, and inspects materials. Confers with other supervisory personnel to coordinate activities of individual departments. Confers with workers' representatives to resolve grievances. Trains workers. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.01.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

504.281-010 HEAT-TREAT INSPECTOR (heat treating)

    Inspects parts and assemblies before and after heat treating for conformance to specifications: Examines parts for cleanliness and previous inspection clearances. Reads control dials, such as pyrometer, at periodic intervals to ensure specified temperatures and soaking and cooling times are maintained. Examines processed parts for conformance to specifications, using handtools and precision measuring instruments. Stamps approved items and writes rejection notices and rework orders on parts not meeting specifications. May operate equipment to determine hardness of parts and thermal treatment required to process parts, following blueprint specifications [HARDNESS INSPECTOR (heat treating)].
GOE: 06.01.05 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

504.360-010 FLAME-ANNEALING-MACHINE SETTER (heat treating)

    Sets up battery of machines that anneal sidewalls of metal cartridge and shell cases preparatory to further processing: Lights gas burners and turns valves to regulate flow of gas and coolant water. Starts conveyors and dial feeder plates, and turns setscrews in burner nozzles to direct flames which anneal specific area of cartridge case. Replaces worn dial-feed, burner and conveyor parts, using handtools. Instructs new workers in machine operation. Observes color and area of dullness of annealed cases to determine flame temperature and coverage of cases. Crushes random samples between fingers to determine degree of annealing attained. May test cases for hardness [HARDNESS INSPECTOR (heat treating)] and examine cases to determine grain size of metal, using microscope.
GOE: 06.01.02 STRENGTH: L GED: R4 M3 L3 SVP: 6 DLU: 77

504.380-010 FLAME-HARDENING-MACHINE SETTER (heat treating)

    Sets up flame-hardening machines for FLAME-HARDENING-MACHINE OPERATORS (heat treating) according to metallurgical work order specifications, utilizing knowledge of heat-treating methods and metal properties: Positions fixture for holding workpiece and fastens fixture to machine, using wrenches. Mounts workpiece in fixture, on arbor, or between centers of machine. Estimates flame temperature and heating time cycle based on degree of hardness required and metal to be treated. Moves controls to light burners and adjust flame of oxyacetylene, propane, or other gas to prescribed temperature, judging temperature by flame color. Starts automatic feeding or rotating mechanism that moves part through hardening flame. Tests hardness of sample part [HARDNESS INSPECTOR (heat treating)]. Adjusts automatic feeding or rotating mechanism and flame temperature until sample parts meet specifications.
GOE: 06.01.02 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 77

504.380-014 INDUCTION-MACHINE SETTER (heat treating)

    Sets up variety of induction machines for INDUCTION-MACHINE OPERATORS (heat treating) to heattreat metal objects according to specifications: Reads work order to determine size and grade of workpiece to be processed. Determines frequency of current, time cycle, and induction heating coil to be used for each job, using knowledge of induction machines, heat-treating methods, and properties of metals. Positions and fastens induction coil and fixture on machine, using wrenches. Adjusts controls to set frequency of current and automatic timer judging from color whether pan is heated to specified temperature. Positions and fastens part in fixture and starts machine to heattreat sample part. Tests hardness of sample [HARDNESS INSPECTOR (heat treating)]. Adjusts frequency of current, automatic timer, and fixture on machine until sample meets specifications. May operate induction machine as part of regular duties.
GOE: 06.01.02 STRENGTH: M GED: R3 M3 L3 SVP: 7 DLU: 77

504.382-010 HARDENER (clock & watch)

    Controls furnace to harden, anneal, or temper watch parts: Presses button to admit gas mixture, forcing air out of furnace and burning mixture at entrance to prevent discoloration of parts and to maintain carbon content in parts. Places parts in metal basket or cylinder and inserts parts into furnace according to specified temperature. Advises on furnace temperatures and heat-treating time periods, and recommends procedures to produce desired hardness. Quenches pieces with air or oil. May cover parts with charcoal to prevent rapid heating causing discoloration of parts. May insert thermocouple into furnace and connect thermocouple to recorder.
GOE: 06.02.10 STRENGTH: H GED: R4 M3 L3 SVP: 6 DLU: 77

504.382-014 HEAT TREATER I (heat treating)

    Controls heat-treating furnaces, baths and quenching equipment to alter physical and chemical properties of metal objects, using specifications and methods of controlled heating and cooling, such as hardening, tempering, annealing, case-hardening, and normalizing: Determines temperature and time of heating cycle, and type and temperature of baths and quenching medium to attain specified hardness, toughness, and ductility of parts, using standard heat-treating charts, and utilizing knowledge of heat-treating methods, equipment, and properties of metals. Adjusts furnace controls and observes pyrometer to bring furnace to prescribed temperature. Loads parts into furnace. Removes parts after prescribed time and quenches parts in water, oil, brine, or other bath, or allows parts to cool in air. May test hardness of parts [HARDNESS INSPECTOR (heat treating)]. May set up and operate die-quenching machine to prevent parts from warping. May set up and operate electronic induction equipment to heat objects [INDUCTION-MACHINE SETTER (heat treating)]. May align warped fuel elements, containing radioactive uranium, using hydraulic ram straightener.
GOE: 06.02.10 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 77

504.382-018 HEAT-TREATER APPRENTICE (heat treating)

    Performs duties as described under APPRENTICE (any industry) Master Title.
GOE: 06.02.10 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 77

504.387-010 HARDNESS INSPECTOR (heat treating)

    Tests metal objects to determine their degree of hardness, using hardness testing equipment: Positions workpiece on anvil of testing machine and turns controls to press steel ball or diamond point against surface of piece or to allow diamond-pointed hammer fall on surface to be tested. Measures diameter of indentation caused by steel balls, using microscope, or reads scale on test equipment that indicates depth of penetration of ball or diamond point, or calibrated height of hammer rebound. Reads hardness number from calibrated scale on equipment or converts scale reading to hardness number, using formula or conversion chart. Important variables may be indicated by trade names of equipment used. May cut cross section of sample part and examine part under microscope to determine hardness depth.
GOE: 06.03.01 STRENGTH: M GED: R3 M3 L2 SVP: 4 DLU: 77

504.485-010 RIVET HEATER (heat treating)

    Tends furnace that heats rivets to specified temperature: Places specified rivets in gas, oil, or coke furnace, or between electrodes in electric furnace. Turns knobs to regulate heat or current of furnace. Removes rivets from furnace when color indicates rivets are heated to specified temperature and throws rivets to RIVETER HELPER (any industry), using tongs. May tend portable coke furnace to heat rivets in field. May be designated according to type of furnace tended as Rivet Heater, Electric (heat treating); Rivet Heater, Gas (heat treating).
GOE: 05.12.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

504.665-010 SLAB-DEPILER OPERATOR (steel & rel.) alternate titles: table and slab depiler

    Tends equipment that transfers steel slabs from conveyor onto charging table of reheating furnace: Moves controls to transfer slab from conveyor onto depiler. easures slab for conformance to specifications, using tape, and compares identifying marks on slab with information on charging schedule. Pushes levers to lower depiler table and cause pushoff arm of depiler to push slab onto charging table. Assists furnace crew in cleaning bottom of furnace and hearth and in positioning slabs in furnace.
GOE: 06.04.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

504.665-014 CHARGER OPERATOR (steel & rel.) alternate titles: charger; pusher

    Tends charging mechanism that moves steel shapes, such as blooms, billets, and slabs, in specified sequence, through soaking-pit furnace: Signals CHARGER-OPERATOR HELPER (steel & rel.) 504.686-010 or OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to position steel on furnace skids. Moves levers on control panel to position skid on entry bed, open furnace door, and start pusher arm that pushes steel into furnace. Observes inside of furnace, projected on television screen, and moves controls to spot steel in specified locations. Moves controls to discharge steel onto mill rollers. Records quantity of steel charged and discharged. Assists other workers in cleaning furnace bottoms and repairing or replacing defective equipment, using handtools.
GOE: 06.04.10 STRENGTH: L GED: R3 M2 L2 SVP: 4 DLU: 78

504.682-010 ANNEALER (heat treating) alternate titles: normalizer

    Controls furnace to relieve internal stresses in metal objects and to soften and refine grain structure: Reads production schedule to determine processing sequence and furnace temperatures for objects to be processed. Turns furnace controls and observes gauges to prepare furnace for annealing process. Charges objects directly onto furnace bed, or packs objects into section of furnace or tubes sealed with clay to prevent oxidation. Reduces heat and allows objects to cool in furnace, or removes objects from furnace to cool in open air. May operate continuous furnace through which objects are passed by means of reels and conveyors and be designated Continuous-Annealing Furnace Operator (heat treating). May anneal wire and be designated Pot Annealer (heat treating).
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L1 SVP: 4 DLU: 78

504.682-014 CASE HARDENER (heat treating) alternate titles: carbonizer; carburizer

    Controls furnace to harden surface of steel objects, using any of following methods: (1) Places objects in wire basket and immerses them in heated chemical bath, such as sodium cyanide. (2) Packs objects in metal boxes filled with carbonaceous material, such as coke, coal, bone charcoal, or barium carbonate, and charges boxes into furnace. (3) Charges objects into furnace and opens valves to circulate carbon-rich gas, such as methane, around objects during heating process. Removes objects from bath or furnace and quenches objects in oil, water, or brine, or allows objects to cool to predetermined temperature before quenching, depending on metal properties specified. May be designated according to article case-hardened as Die Case Hardener (heat treating); or by process used as Cyanide Furnace Operator (heat treating).
GOE: 06.02.10 STRENGTH: M GED: R3 M3 L2 SVP: 4 DLU: 77

504.682-018 HEAT TREATER II (heat treating)

    Controls one or more furnaces to heat treat metal objects according to specifications: Places parts in racks, trays, or baskets, and places objects on conveyor or loads objects directly into furnace. Adjusts furnace temperature and observes pyrometer to heat metal to prescribed temperature. Sets speed of conveyor for prescribed time cycle, or records removal time of parts to ensure objects attain specified temperature for a specified time. Removes parts after prescribed time and quenches parts in water, oil, or other bath, or allows parts to cool in air. May test hardness of parts [HARDNESS INSPECTOR (heat treating)]. May feed die-quenching machine to prevent parts from warping. May degrease or remove scale from parts. May draw wire or sheet metal through furnace and attach metal to winding mechanism that pulls metal through furnace.
GOE: 06.02.10 STRENGTH: M GED: R3 M3 L2 SVP: 4 DLU: 77

504.682-022 HEAT-TREATING BLUER (heat treating) alternate titles: dulite-machine bluer

    Operates gas furnace that heats metal gun parts to rustproof and impart decorative nonreflecting blue finish: Sprays parts with steam to remove grease, grit, and dirt. Places parts in barrel of gas furnace and covers parts with mixture of bone chips and whale or pine tar oil. Closes furnace door and moves lever to rotate barrel. Turns gas valves and observes pyrometer to regulate temperature of furnace. Opens door after furnace cools, and pulls lever to tilt barrel and dump contents into sieve. Sifts parts from bone mixture and quenches parts in oil. Blows oil and chips from blued parts, using airhose. Examines parts to ensure shade and color conform to specifications, utilizing knowledge of heat-treating methods and metal properties.
GOE: 06.02.10 STRENGTH: M GED: R3 M3 L3 SVP: 4 DLU: 77

504.682-026 TEMPERER (heat treating)

    Controls furnace to reheat previously quenched and hardened metal objects, and quenches them in brine, water, oil, or molten lead to remove quenching strains and brittleness and to impart toughness to metal.
GOE: 06.02.10 STRENGTH: M GED: R3 M3 L2 SVP: 4 DLU: 77

504.685-010 BASE-DRAW OPERATOR (ordnance)

    Tends electric furnace that anneals base sections of hardened projectile bodies to facilitate subsequent machining operations: Lifts projectile from conveyor with tongs and fits projectile in holder on machine table. Pushes switch to activate mechanism that elevates table and thrusts projectile base into furnace unit. Observes dial indicator and presses button to maintain flow of current according to specifications. Removes projectile when table descends automatically. Quenches projectile base in water.
GOE: 06.04.10 STRENGTH: M GED: R3 M2 L2 SVP: 3 DLU: 77

504.685-014 FLAME-HARDENING-MACHINE OPERATOR (heat treating) alternate titles: gas-anneal feeder

    Tends flame-hardening machine, according to set procedures, to case-harden metal objects: Positions and fastens part in fixture, on arbor, or between centers of machine. Presses buttons on control panel to light burners that direct flame against part and start automatic feeding or spinning mechanism. Observes machine operation and removes finished part. May anneal metal cartridge or shell cases and be designated Flame-Annealing-Machine Operator (heat treating).
GOE: 06.04.10 STRENGTH: M GED: R2 M2 L1 SVP: 2 DLU: 77

504.685-018 HEAT-TREATER HELPER (heat treating) alternate titles: bluing-oven tender; draw-furnace tender; furnace feeder; furnace loader; heat-treat puller; tempering-kiln tender

    Assists HEAT TREATER (heat treating) I or HEAT TREATER (heat treating) II in annealing, hardening, or tempering metal objects by performing any combination of the following duties: Cleans foreign matter, such as scale, rust, or grease, from metal objects, using solvents, wire brushes, scrapers, or hammer and chisel. Hangs parts on racks, hooks, or fixture, or places them on handtrucks or conveyors, and charges them into furnace manually or using hoist. Adjusts controls to maintain specified temperature in furnace. Immerses objects in chemical bath or places objects in containers and packs carbonaceous material around them. Quenches heated objects in liquid, such as oil or water. Marks identification on parts. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: M GED: R2 M2 L2 SVP: 2 DLU: 77

504.685-022 INDUCTION-MACHINE OPERATOR (heat treating) alternate titles: electronic induction hardener

    Tends electronic induction machine, according to set procedures, to harden, braze, or anneal metal objects: Positions and fastens part in fixture of machine. Presses button on control panel to start electric current flowing through induction coil for prescribed time. May load automatic machine by dumping parts into hopper. May test parts for hardness, using preset hardness testing equipment, and stamp heat treatment identification mark on casting, using hammer and punch.
GOE: 06.04.10 STRENGTH: M GED: R2 M2 L1 SVP: 2 DLU: 77

504.685-026 PRODUCTION HARDENER (heat treating) alternate titles: carbonizer; case hardener

    Tends battery of molten carbonizing salt bath or ammonia-methane furnaces that case harden steel objects, such as buckles, screws, wrenches, and bicycle crank cups: Loads objects by hand into wire basket attached to steel-rod handle. Immerses basket into chemical bath inside furnace pot or into ammonia-methane furnace. Scoops salt into furnace pots to maintain bath level or opens valves to inject gases into furnace, and sets timer. Removes basket from furnace at end of heating cycle and dumps objects into mesh container submerged in tank of quenching oil. May lift container from quenching tank and dip container in rinse water. Dumps objects into box or tray. May signal forklift operator to deposit or extract containers of objects into and from furnaces and quenching and rinse tanks.
GOE: 06.04.10 STRENGTH: H GED: R2 M2 L2 SVP: 3 DLU: 77

504.685-030 REEL-BLADE-BENDER FURNACE TENDER (agric. equip.)

    Tends gas oven that heats lawnmower blades preparatory to bending: Places cold blade on furnace apron and presses pedal to raise furnace door. Positions blade in slotted rack on furnace bed, using tongs. Removes blade from furnace after specified time. Lubricates bending machine, using grease gun.
GOE: 06.04.10 STRENGTH: L GED: R1 M1 L1 SVP: 2 DLU: 77

504.686-010 CHARGER-OPERATOR HELPER (steel & rel.)

    Assists CHARGER OPERATOR (steel & rel.) in moving steel blooms, billets, and slabs through soaking-pit furnace: Straightens steel on furnace skids and roller conveyor, using bar. Places separators between steel shapes and marks identifying information on shapes. May cut, transport and store trial bars in bins. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: M GED: R1 M1 L1 SVP: 2 DLU: 77

504.686-014 FURNACE HELPER (heat treating)

    Performs any combination of following tasks near heat-treat furnace: Transfers metal slabs, plates, sheets, and fabricated forms from tables and conveyors to furnace cars and trays, using hoist, handtruck, tractor or by hand. Loads and unloads material from heat-treating, and process-chamber furnaces. Feeds metal into straightening rolls. Breaks lumps of sludge from furnace pots, using airhammer, and shovels sludge into crushing machine. Cuts, identifies, and marks samples, using shear and crayon. Verifies dimensions with tape and micrometer. Separates scrap for remelt according to marking. May feed metal rods from coils into furnace, using hoist, and wind rods into coils as rods emerge from furnace, using winding mechanism.
GOE: 06.04.10 STRENGTH: M GED: R2 M2 L1 SVP: 2 DLU: 77

504.686-018 HARDENER HELPER (clock & watch)

    Assists HARDENER (clock & watch) in hardening and tempering watch parts, maintaining flow of work into and out of department, and cleaning and packaging finished work. Performs other duties as described under HELPER (any industry) aster Title.
GOE: 05.09.01 STRENGTH: H GED: R1 M1 L1 SVP: 2 DLU: 77

504.686-022 HEAT TREATER (electron. comp.)

    Feeds and off bears furnace that heats semiconductor wafers to relieve stress caused by sawing and to stabilize resistivity: Transfers wafers from storage container to quartz $T3boat.$T1 Places boat on conveyor belt that automatically moves wafers through furnace. Removes boat from conveyor belt at furnace exit. Transfers wafers from boat to storage container after cooling. Records production information on work order.
GOE: 06.04.19 STRENGTH: L GED: R1 M1 L1 SVP: 1 DLU: 86

504.687-010 ANNEALER (jewelry-silver.) alternate titles: heat treater

    Heat treats jewelry fittings to soften fittings for further processing, using electric or gas furnace: Sets automatic controls to specified temperature. Fills steel tray with fittings and places fittings in oven, using tongs. Removes tray after specified time and immerses fittings in water. May clean oxide and scale from fittings by immersing fittings in chemical and water baths. May heat treat ingots, using Bunsen burner or torch, and immerse ingots in alcohol to restore ingot malleability. May open and close gas valves, ignite and extinguish gas flames, and set time clock alarm for heating and cooling periods.
GOE: 06.04.10 STRENGTH: L GED: R2 M1 L1 SVP: 2 DLU: 77

505 METAL SPRAYING, COATING, AND RELATED OCCUPATIONS

    This group includes occupations concerned with covering the surfaces of objects with metal or an accretion of metal and adjuncts in molten or semimolten form usually by brushing, spraying, immersing, or coating processes.

505.130-010 SUPERVISOR, METALIZING (any industry)

    Supervises and coordinates activities of workers engaged in spraying protective metal coatings on metal to prevent corrosion and to build up surfaces of worn or damaged metal parts: Analyzes work orders, workpieces, and blueprints to determine process, materials, and sequence of operations required to coat metal. Sets up machine tools and metal spray guns to perform special or experimental operations. Trains workers in operation of equipment. Examines finished pieces for conformity to specifications. Directs workers in processes, such as degreasing, sandblasting, welding and brazing, metal spraying, and machining. Inspects malfunctioning of machines and equipment to determine need for repair. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: L GED: R4 M4 L4 SVP: 8 DLU: 77

505.130-014 SUPERVISOR, VACUUM METALIZING (any industry)

    Supervises and coordinates activities of workers engaged in vacuum metalizing of glass, plastic, or metal objects, applying knowledge of vacuum metalizing processes, equipment, and procedures: Computes time and pressure specifications for VACUUM-METALIZER OPERATORS (any industry). Observes operations to detect malfunction. Sets up and operates equipment to perform experimental work. Trains workers in operation of equipment. May insert filaments into holders on rack, fill oil tanks of pumps, and examine gauges for malfunction to prepare vacuum metalizing equipment for operation. May position spray nozzles and turn knobs to synchronize conveyor speed, electric-eye action, and temperature and blower action of drying oven to set up automatic spray-painting equipment. May repair and maintain tools and machinery. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.01.01 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 77

505.380-010 METAL SPRAYER, MACHINED PARTS (any industry) alternate titles: flame-spray operator; metalizer, machined parts; metal-spray operator

    Sets up and operates flame-spray equipment and machine tools to build up worn parts, such as crankshafts, motor shafts, clutch plates, and piston rods, and to salvage defective machined parts, according to specifications: Washes object with solvents, or heats object with torch or in furnace to remove impurities, such as grease or paint. Operates machines, such as engine lathes and external grinders, to undercut or groove surface of object. Cleans and roughens surface of object in sand or shotblast cabinet [CABINET-ABRASIVE SANDBLASTER (any industry) 503.687-010] or by electrobonding process. Preheats object for spraying, using oxyacetylene torch or metalizing gun. Sprays metal or other material on object by either of following methods: (1) Positions and clamps metalizing gun to engine lathe carriage. Selects nozzle to accommodate size of wire to be sprayed and screws nozzle into place on metalizing gun. Inserts wire to be sprayed into rear of gun and through feed rollers and nozzle. Connects hoses from gun to air compressor and tanks of oxygen and fuel gas, such as acetylene. Turns knobs to synchronize speed of wire feed, air pressure, flow of oxygen and fuel indicated on dials to specifications computed from data charts. Installs gears in lathe and turns knobs to synchronize rotating speed of chuck and movement of carriage with rate of spray to achieve specified coating on workpiece. Ignites gases to melt wire and presses button or trigger to release compressed air which atomizes and sprays molten metal onto workpiece. (2) Pours specified powder of metal or other material, such as ceramics, into hopper mounted on metalizing gun. Selects nozzle according to type of powder to be used and screws nozzle into place on gun. Turns dials and valves to synchronize feeding rate of powder and flow of oxygen and fuel gas, according to type of powder used. Ignites gases and presses button or trigger to start flow of powder which is atomized and sprayed onto workpiece. Heats object with torch or in heat-treating furnace to fuse coatings, and cools object slowly to prevent cracking. Measures object, using measuring instruments, such as micrometers, gauges, and calipers, to determine conformance to specifications. Operates portable metalizing gun to fill cracks, holes, and apply coating to restore flat or irregular surfaces of machined, forged, or cast objects to original dimensions. May operate machines, such as engine lathes, turret lathes, or precision grinders, to machine-coat objects to original specifications. May spray protective coatings of corrosion-resistant metal onto metal objects. May tend portable air compressors, sandblasting guns, and set up metalizing gun on lathes in customers' plants to repair damaged, worn, or improperly machined parts. May be designated according to type of metalizing equipment used as Thermospray Operator (any industry).
GOE: 06.01.03 STRENGTH: M GED: R4 M3 L3 SVP: 6 DLU: 77

505.382-010 METAL-SPRAYING-MACHINE OPERATOR, AUTOMATIC I (any industry) alternate titles: flame-spraying-machine operator, automatic; metalizing-machine operator, automatic

    Sets up and operates metal spraying machine to bond protective or decorative coatings to metal objects: Positions workpieces into holding fixtures of conveyor. Attaches nozzle onto spray gun and positions gun at specified distance from workpiece. Connects hoses from gun to air compressor and fuel tanks. Threads end from roll of specified wire through gun. Turns knobs and levers to synchronize speed of wire feed, air pressure, and specified flow of oxygen and fuel. Turns knobs and installs gears to set conveyor speed and holding device. Ignites gun to melt emerging wire at nozzle and presses button or turns handle to release compressed air which atomizes and sprays molten metal onto surface of workpiece. Inspects workpieces for coating defects and removes finished pieces from conveyor. ay install gears to accommodate larger workpieces. May operate sandblasting equipment to roughen and clean surface of workpieces [SANDBLASTER (any industry)]. May preheat workpieces in oven. May be designated according to type of equipment used as etal-Spraying-Machine Operator, Crucible Gun (any industry).
GOE: 06.02.21 STRENGTH: M GED: R4 M3 L2 SVP: 7 DLU: 77

505.382-014 WELDING-ROD COATER (elec. equip.)

    Controls variety of machines to mix, dip, grind, and bake flux onto electric welding rods: Operates bandsaw to cut welding rod stock to specified length. Pours flux ingredients into mixing machine and starts machine. Measures specific gravity of flux mixture, using hydrometer. Pours flux into hydraulic dipping machine. Places rods in dip holding rack and turns end bolt to secure rods, using wrench. Slides rack into dipping machine and adjusts temperature and humidity gauges, according to work order specifications. Removes and places dipped rods on drying rack to dry. Operates grinding machine to remove excess flux from coated rod tips. Bakes coated rods in drying oven for specified period of time. Operates marking machine to print identification code on rods as specified. Cleans equipment, using water hose and scraper.
GOE: 06.02.21 STRENGTH: H GED: R3 M3 L2 SVP: 6 DLU: 77

505.482-010 PASTING-MACHINE OPERATOR (elec. equip.) alternate titles: grid-pasting-machine operator

    Operates pasting machine and dryer to apply specified amount of lead-oxide paste onto grids used in making storage battery plates: Stacks grids or multiple-grid panels on bench or in automatic feeding device. Adjusts shoes (guides) on pasting machine to size of grid, using handtools. Adjusts scraper blade (wiper) and roller, according to thickness specified for plate, using wrenches. Hoists carts of paste into position near machine and shovels paste into hopper. Starts machine that automatically feeds grids or manually places grids between shoes. Weighs wet plates on scale and changes elevation of scraper to produce plate of specified weight. Installs device (pyramid) in machine that prevents pasting of center strip of panels and determines width of plates. Sets temperature of dryer. Cleans machine. Changes conveyor belts or cheesecloth cover on roller, using handtools. May tend machine that breaks finished double-grid plates into single units. May segregate defective plates, stack acceptable plates in box, and set aside for curing period. May clean edges and lugs of plates, using wire brush. May mix lead-oxide powders, water, and acids into paste.
GOE: 06.02.18 STRENGTH: L GED: R3 M2 L2 SVP: 4 DLU: 77

505.682-010 SPRAYER OPERATOR (smelt. & refin.)

    Controls metal spraying machine and melting furnace to coat carbon anodes with molten aluminum for use in reducing pots: Sets furnace temperature control dial at desired level and checks level of molten aluminum in furnace. Adjusts flow of compressed air through spray nozzle and hydraulic tilt of furnace and turntable. Presses button on control panel to move monorail trolley holding anode assembly onto turntable of spray machine. Starts hydraulic system that lowers turntable and anode to bottom of spray pit. Starts flow of compressed air through nozzle that sprays specified amount of molten metal onto rotating anode. Repositions furnace in original position, stops equipment, and hoists anode assembly onto monorail conveyor for movement to loading station. Cleans aluminum overspray from sides and bottom of pit and places residue in container for reuse. Skims slag from molten aluminum in furnace to remove impurities.
GOE: 06.02.10 STRENGTH: L GED: R3 M2 L2 SVP: 3 DLU: 77

505.684-010 ELECTROLESS PLATER (any industry)

    Coats small steel valve parts, crystal slices used in making semiconductors, or related materials with nickel plate, using nonelectric dipping process: Fills dip tank with nickel salt solution and sets controls to maintain specified temperature. Fills basket with parts to be plated or mounts slides bearing crystal slices on holding fixture, and lowers materials into plating tank. Determines time parts remain in bath, using knowledge of process and thickness of plating desired. Removes parts when process is completed. Gauges parts frequently with micrometers to see that specified tolerances are maintained. Adds plating solution or refills tanks, as necessary, to complete plating process. May immerse materials in leaching or cleaning solution preparatory to plating.
GOE: 06.04.33 STRENGTH: M GED: R2 M2 L2 SVP: 3 DLU: 77

505.684-014 METAL SPRAYER, PRODUCTION (any industry)

    Sprays variety of objects, such as valves, clutch plates, and cylinder linings, on production basis, to coat them with specified thickness of metal: Cleans and roughens surface of object in sand or shotblast cabinet [CABINET-ABRASIVE SANDBLASTER (any industry)]. Fastens objects in fixture or between bench centers. Preheats object for spraying, using oxyacetylene torch or metalizing gun. Moves controls to set specified rate of wire feed and flow of oxygen and fuel gases through metalizing gun. Ignites gases to melt wire and presses button or trigger to release compressed air which atomizes and sprays molten metal onto workpiece. Manually directs spray over object to apply coating of specified thickness. ay spray metal objects with soft solder preparatory to assembly and be designated Solder Sprayer (any industry).
GOE: 06.04.33 STRENGTH: M GED: R2 M2 L2 SVP: 3 DLU: 77

505.685-010 BROWNING PROCESSOR (ordnance)

    Tends equipment that imparts decorative bluing or brown-black color, and hard, corrosion resistant surface to gun barrels: Mixes solution of acids and metallic salts, according to formula. Places barrels on conveyor that passes through coloring tanks, electrical drying, and preheating oven into steam chamber where controlled temperature and humidity promote oxidation. Rinses barrels in boiling water and holds them against wire or fiber brush wheel to remove loose rust particles and produce satin finish. Repeats rusting and brushing cycle until color of barrel conforms to specified standards. Swabs browned barrels with rust-preventing oil, using rag or sponge.
GOE: 06.04.10 STRENGTH: M GED: R2 M2 L2 SVP: 3 DLU: 77

505.685-014 METAL-SPRAYING-MACHINE OPERATOR, AUTOMATIC II (any industry) alternate titles: sprayer

    Tends automatic or semiautomatic metal spraying machine that bonds protective or decorative coatings to metal objects, such as clutch plates and valves, on production basis: Loads objects on conveyor or places them in fixture. Sets controls on panel to regulate such functions as conveyor speed, rate of wire or powder feed, flow of compressed air and fuel gas, and starting and stopping of spray. Starts machine and observes operation to detect malfunctioning of equipment.
GOE: 06.04.21 STRENGTH: M GED: R2 M2 L2 SVP: 2 DLU: 77

505.685-018 VACUUM-METALIZER OPERATOR (any industry) alternate titles: vapor coater

    Tends vacuum metalizing equipment that deposits decorative or protective coating of specified metal on metal, glass, or plastic objects: Hooks or clamps articles onto rack. Positions pieces of coating metal over heating filament on rack. Positions rack in vacuum chamber, manually or using hoist. May plug in electrical connection or filaments. Connects gear to motorized jig that rotates rack inside chamber. Closes door and turns handles to seal chamber. Turns handwheel and starts pump to remove air from chamber. Starts booster and high vacuum pumps, and observes dials to obtain specified state of vacuum in chamber. Pushes button to heat filament which vaporizes coating metal and deposits it as film on objects on rack. Turns off electric current after specified time and turns handwheel to permit air to enter chamber. Opens door, removes rack, and lifts coated objects onto truck or dolly.
GOE: 06.04.21 STRENGTH: M GED: R2 M2 L2 SVP: 3 DLU: 77

509 OCCUPATIONS IN PROCESSING OF METAL, N.E.C.

    This group includes occupations, not elsewhere classified, concerned with molding, casting, coating, conditioning, or otherwise processing metal.

509.130-010 SUPERVISOR, POWDERED METAL (nonfer. metal; steel & rel.)

    Supervises and coordinates activities of workers engaged in mixing and pressing metal powders, and in sintering, coining, impregnating, and inspecting powdered metal products, applying knowledge of powdered metal properties, press and furnace operation, and sintering and impregnating processes. Trains workers in setup of machines and equipment. May set up briquetting and coining presses and sintering furnaces. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

509.130-014 SUPERVISOR, POWER-REACTOR (chemical)

    Supervises and coordinates activities of workers engaged in controlling nuclear reactors to produce plutonium and steam: Observes panel control board indicators to ensure operation of reactors conforms to government and company safety regulations. Analyzes instrumentation data to determine equipment adjustments. Trains new workers. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.01.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

509.132-010 SUPERVISOR, SOAKING PITS (steel & rel.)

    Supervises and coordinates activities of workers engaged in heating and soaking steel ingots preparatory to rolling in blooming and slabbing mills: Prepares schedule for charging and drawing steel into and from preheating and soaking pits. Directs workers in charging ingots into pits and in heating and drawing operations. Inspects furnaces and equipment to determine necessary maintenance. Trains workers in mill operations. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: M GED: R4 M3 L3 SVP: 8 DLU: 77

509.362-010 MIXER OPERATOR, HOT METAL (steel & rel.)

    Operates machine to mix various charges of molten metal and maintain metal at specified temperature for use in converters and furnaces: Moves controls to raise lid of mixer and signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to pour metal from transfer ladle into mixer. Turns controls to adjust fuel and air mixture to mixer burners to maintain specified temperature in mixer, and to rotate arm that mixes molten metal. Signals OVERHEAD CRANE OPERATOR (any industry) to position ladle for receiving molten metal from mixer for delivery to converters or furnaces. Moves controls to tilt mixer and fill ladle. Inserts long-handled spoon in ladle to obtain sample of molten metal and pours sample into mold for laboratory analysis. Repairs mixer lining, using refractory materials and handtools.
GOE: 06.02.10 STRENGTH: L GED: R3 M2 L2 SVP: 5 DLU: 77

509.382-010 COATER OPERATOR (any industry)

    Operates roll-coating machine and auxiliary equipment to coat coils of sheet metal, flat metal blanks, or fabricated metal parts with paint, vinyl plastic, or adhesive film: Positions coiled metal strip on mandrel of feed reel or places metal blanks onto feed carriage of machine. Feeds coils of sheet metal into take-up rolls of stitching machine. Starts stitching machine that staples strips together to form endless metal strip. Turns control dials of machines to regulate speed of metal strip, temperature of drying ovens, and flow of chemicals that maintain specified viscosity of solutions in cleaning tanks. Mixes paint or coating solution to specified viscosity and starts equipment to pump mixture into machine reservoir. Turns setscrews to adjust distance between coating rollers that control thickness of coating. Measures thickness of coating to test viscosity, using wet film gauge. Starts pump that fills printing machine reservoir. Adjusts printing cylinder that prints designs on painted metal strip and hydraulic pressure valve of laminating machine that applies plastic vinyl or adhesives to heated metal strip. Turns valve to control spray of water in quenching process that tempers paint, adhesives, or plastic vinyl. Presses pedal of shear machine to cut metal strips. Pushes reel lever to rewind coated metal strip into coil. Examines coated metal workpieces for defects, such as air bubbles or uncoated surfaces.
GOE: 06.02.21 STRENGTH: M GED: R3 M3 L2 SVP: 6 DLU: 77

509.382-014 DENTAL-AMALGAM PROCESSOR (nonfer. metal) alternate titles: special-machine operator

    Operates machines to process dental-amalgam and tests amalgam with interferometer: Anneals ingot of tin, copper, and silver to obtain specified molecular characteristics [ANNEALER (heat treating)]. Cuts ingot into chips of uniform size, using engine lathe. Pours chips into hopper of grinder and starts machine to grind chips into microgranules of specified size. Loads granules into elutriator and turns valve to regulate flow of water that forces granules through sieves to separate granules, according to size. Loads moist granules in drying machine or oven. Mixes specimen quantity of alloy with mercury, using amalgamator machine or mortar and pestle, and packs mixture into mold. Removes amalgam from mold and places amalgam between glass panels of instrument. Counts black bands appearing within circle of instrument and informs supervisor of number of bands.
GOE: 06.02.09 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

509.384-010 CASE PREPARER-AND-LINER (ordnance)

    Cleans rocket-motor cases and lines them with heat-resistant coatings by performing any combination of following tasks: Moves motor cases through various process stations of building, using hoist and conveyor system. Attaches and removes special handling devices (handling rings) on motor cases, using wrenches and other handtools or portable power tools. Immerses case in chemical bath for specified period to remove protective coatings or contaminants. Wipes solution from inside of case, using cloth. Removes chemical film from surface of case, using sandblasting equipment [SANDBLASTER (any industry)]. Paints outside of motor case, using spray gun. Bakes motor case in drying oven. Lowers motor case onto bed of lining machine. Connects turntable to end of motor case, using wrenches. Starts machine which rotates case and sprays heat-resistant material on inside of case. Examines coating for voids or other defects. Conveys lined motor case to curing oven. Observes recording instrument charts on control panel of curing oven to verify specified temperatures and curing time. Lowers cured cases onto skids and covers ends with paper and gummed tape.
GOE: 06.02.24 STRENGTH: L GED: R3 M2 L2 SVP: 4 DLU: 77

509.462-010 ALODIZE-MACHINE OPERATOR (nonfer. metal)

    Sets up and operates machine that coats flat sheet or coiled metal to specified color and finish: Mixes $T3alodize$T1 solution in tank of machine, according to formula. Places container of solution sample under test tube and reads gauge to determine solution concentration. Sets up machine rolls and guides, using handtools and micrometer. Turns dial and observes gauge to heat solution to specified temperature. Operates hoist to place sheets on machine feed carriage or to lift coil onto machine spindle. Feeds sheets or end of coil into machine rolls. Adjusts controls to maintain machine speed and temperature of solution to obtain specified color and coverage of metal.
GOE: 06.02.10 STRENGTH: M GED: R3 M3 L2 SVP: 5 DLU: 77

509.485-010 COMPOUND MIXER (tinware) alternate titles: coating mixer

    Tends agitator machines that mix compounds used to line and coat tin cans: Measures and pours specified amounts of concentrates and solvents into barrel of solution, using measuring can. Lowers agitator into barrel and starts machine to mix solution. Tests viscosity of solution with viscosimeter and adds solvent or concentrates to obtain specified consistency. Starts pump that forces mix from barrel into storage tank and through feed lines into coating machine reservoirs. Raises and stacks barrels on racks, using chain hoist, and transports them to mixing room with handtrucks. Keeps stock control records.
GOE: 06.04.11 STRENGTH: H GED: R3 M2 L2 SVP: 4 DLU: 77

509.485-014 SHOT POLISHER AND INSPECTOR (ordnance)

    Tends equipment in shot tower that segregates, routes, blends, and polishes shot (lead pellets) used in shotgun shells: Starts bucket elevator that conveys newly formed pellets to shot tower and into screening drums that remove oversize and undersize pellets. Turns crank to adjust angle of glass plates over which screened shot is rolled to remove out-of-round pellets, using graduated measuring stick to verify pitch. Pulls levers and chains to direct flow of shot into sieves, polishing barrel, and storage bins, or into scrap bin for remelting. Connects Y-pipe between specified bins and polishing barrel, starts barrel rotating, and opens bin valves to blend full and off-size shot by flowing shot together in Y-pipe. Weighs sample of mixed shot at designated intervals and counts total number of pellets in sample, using pellet counting plate. Measures size of pellets, using pellet measuring stick, and counts number of each size to determine average size. Rolls pellets under dial micrometer to ascertain roundness of pellets. Turns valves by trial and error to obtain shot blend that conforms to specifications. Records results of tests.
GOE: 06.04.02 STRENGTH: L GED: R2 M2 L2 SVP: 3 DLU: 77

509.565-010 KILN OPERATOR (steel & rel.)

    Tends battery of rotary kilns that heat minerals, such as lime, chrome ore, and manganese, preparatory to mixing minerals with molten metal to form steel: Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to deliver specified type and amount of material to kiln feedbox. Pushes switches to start kiln rotating and conveyors feeding materials from feedbox to kiln. Ignites burners under kiln and moves controls to attain specified temperature in kiln. Pulls lever to dump heated material into steel box on platform scale. Weighs and records weight, type, and amount of material heated.
GOE: 06.04.10 STRENGTH: M GED: R2 M2 L2 SVP: 3 DLU: 77

509.566-010 MIXER OPERATOR HELPER, HOT METAL (steel & rel.)

    Assists MIXER OPERATOR, HOT METAL (steel & rel.) 509.362-010 to mix molten metal: Attaches electrical connections to torpedo-ladle car and pushes controls to tilt car and pour metal into hot-metal transfer ladle. Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to pour molten iron from ladle into mixer. Records tare weight of torpedo-ladle car. Knocks solidified slag from pouring spout and rim of hot-metal ladle, using hammer and bar. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: M GED: R2 M2 L2 SVP: 2 DLU: 77

509.584-010 TEST PREPARER (nonfer. metal; steel & rel.) alternate titles: sampler; steel sampler; test assembler; test carrier

    Collects samples of materials, such as scrap iron and ore, and products, such as metal sheets, rails, tubes, and bars, and prepares samples for physical analysis, using grinders, crushers, drill press, power saws and milling machine. Identifies samples and routes samples to laboratory for analysis. Records test data and type and amount of samples tested.
GOE: 06.04.02 STRENGTH: M GED: R2 M2 L2 SVP: 4 DLU: 77

509.666-010 COMPOUND-COATING-MACHINE OFFBEARER (tinware) alternate titles: end packer

    Removes tin can ends from discharge rack of coating machine: Inspects rubber base coating compound on can ends and ring-pull for conformity to specifications. Notifies PUNCH-PRESS SETTER (any industry) of machine jam or defects in can ends. Packs ends in cartons or paper bags and places containers on pallet.
GOE: 06.04.21 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

509.684-010 ENAMELER (plumbing-heat.) alternate titles: enamel drier

    Sprays finish coat of enamel onto cast-iron sanitary units, such as bathtubs and sinks and bakes unit to provide permanent finish: Wheels units into furnace for preheating, using steel fork mounted on overhead conveyor. Observes color of unit through window in furnace to determine when desired temperature has been reached. Removes unit from furnace and sprays powdered enamel over it, using pneumatic gun. Returns unit to furnace to fuse and glaze enamel, repeating heating and enameling process until unit is coated without discolorations, blisters, or pinholes.
GOE: 06.04.33 STRENGTH: L GED: R3 M2 L2 SVP: 5 DLU: 77

509.685-010 ALODIZE-MACHINE HELPER (nonfer. metal)

    Tends machine that rewinds metal coils processed by ALODIZE-MACHINE OPERATOR (nonfer. metal) and assists in coating metal sheets and coils: Places cardboard core on rewinding arbor and starts end of coil around core. Pulls levers to start rewinder. Cuts material to specified lengths, using hand shear. Tapes loose end and removes coil from rewinder, using hoist. Lifts sheets from discharge end of machine and stacks finished sheets onto skid. Places coil on unwinding equipment and threads coil end through machine, preparatory to alodizing process. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.02 STRENGTH: M GED: R2 M2 L2 SVP: 3 DLU: 77

509.685-014 BRANNER-MACHINE TENDER (galvanizing)

    Tends equipment that applies bran or mixture of sawdust and lime to tin plate surfaces to remove palm oil from plates: Moves controls and valves to regulate speed of conveyor and feed mechanism and adjust flow of soda ash solution to wash unit. Observes operation to detect faulty feeding of plates into units that brush plate surfaces with bran and wash residue from plates. Replenishes exhausting supply of bran in hopper. Inspects plates to ensure removal of palm oil from plates.
GOE: 06.04.39 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

509.685-018 BURNING-PLANT OPERATOR (ordnance)

    Tends furnace that heats scrapped small arms ammunition to explode powder and reclaim lead and brass: Pulls trucks of tote boxes from storage area to furnace hoppers. Scoops or dumps primers or loaded cartridges into hopper. Shovels exploded primers from furnace floor or skims cartridge and bullet cases from surface of molten lead, using skimming tool, and deposits them in containers, according to type of metal. Ladles molten lead from furnace pot into pig molds. Carries cooled pigs to storage area and stacks them on skids. ay burn waste powder in open pit by dumping it onto wood fire, using remote-control trolley.
GOE: 05.12.10 STRENGTH: H GED: R2 M1 L1 SVP: 2 DLU: 77

509.685-022 CERAMIC COATER, MACHINE (any industry) alternate titles: ceramic plater

    Tends machine that coats metal objects with ceramic material: Places workpiece on rack, observing reflection in mirror below rack to determine when surface to be coated is exposed. Closes machine door and presses button to start rack revolving and initiate coating cycle. Observes gauges and turns valves to maintain specified flow through coating nozzle. Fills reservoir with ceramic material and turns valves on hydrogen supply tanks to maintain flow of gas to machine. Removes coated parts, blows away excess material with airhose, and places parts in container.
GOE: 06.04.21 STRENGTH: M GED: R2 M2 L1 SVP: 2 DLU: 77

509.685-026 GETTERING-FILAMENT-MACHINE OPERATOR (light. fix.) alternate titles: getterer; getter operator

    Tends machine that sprays or dips tungsten wires with chemical (getter) used to burn off residual air and moisture in electric light bulbs: Fills receptacle of machine with getter. Starts machine that sprays or dips getter onto tungsten filaments. Observes application of getter to ensure uniformity and to prevent distortion. May weigh specified quantity of filaments and calculate number, using slide rule and known weight of single unit. May place tray with coated filaments in oven to dry.
GOE: 06.04.21 STRENGTH: L GED: R2 M2 L1 SVP: 3 DLU: 77

509.685-030 IMPREGNATOR (nonfer. metal; steel & rel.)

    Tends vacuum or pressure tank that impregnates powdered-metal parts with lubricating oil or molten plastic: Pours impregnating material into tank. Sets controls of heating unit to attain specified temperature of solution. Places containers of parts in tank and closes cover. Observes gauge and turns valves to attain specified pressure or vacuum in tank. Closes valves after specified time, and removes finished parts from tank.
GOE: 06.04.10 STRENGTH: M GED: R2 M2 L2 SVP: 2 DLU: 77

509.685-034 LACQUER-DIPPING-MACHINE OPERATOR (button & notion)

    Tends battery of machines that dip metal buttons, buckles, and related parts into lacquer: Pours lacquer into tank to indicated level. Hangs racks of parts over lacquer tank, and starts machine that automatically dips buckles into lacquer and raises them over tank to drip dry. Lifts racks from machine to handtruck and transports racks into drying oven.
GOE: 06.04.21 STRENGTH: M GED: R2 M2 L1 SVP: 2 DLU: 77

509.685-038 LUBRICATING-MACHINE TENDER (ordnance)

    Tends tumbling machine that sprays small arms cartridge parts with lubricating solution and dries them preparatory to drawing operations: Empties containers of parts into hopper, manually or using electric hoist. Turns handwheel to regulate spray of lubricating solution. Reads gauges and adjusts steam valves or electrical controls to maintain specified drying temperature within drum. Positions empty container at discharge chute to receive dried parts and removes filled container, using handtruck.
GOE: 06.04.21 STRENGTH: M GED: R2 M2 L1 SVP: 2 DLU: 77

509.685-042 LUBRICATOR-GRANULATOR (nonfer. metal; steel & rel.)

    Tends machines that lubricate, granulate, and pelletize metallic powder: Pours specified amount of powder and lubricants into mixing machine. Starts machine that mixes powder with lubricants for specified length of time. Pours mixture into trays and places mixture in drying ovens. Dumps lubricated and dried powder into hopper of granulator-screener machine. Starts machine that granulates and screens powder. Pours screened powder into jars. Dumps specified amounts of lubricated and screened powder in glass pellet-rolling jars and screws covers on jars. Places jars on rack of rolling machine and starts machine that forms powder into pellets. Separates pellets according to size and places them in jars.
GOE: 06.04.10 STRENGTH: L GED: R2 M2 L1 SVP: 2 DLU: 77

509.685-046 SCRAP BALLER (nonfer. metal; steel & rel.)

    Tends machine that winds metal scrap into balls for salvage: Hooks end of scrap onto reel of machine, using hook or handtool. Starts machine that rotates reel and winds scrap into ball of specified size. Turns lever to eject wound ball from machine. Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to lower sling, and hooks ball onto sling for removal from work area. Ties ball with wire to prevent unraveling. May grade scrap according to alloy content. May turn reel, manually to wind scrap. May cut scrap metal, using power shear. May weigh scrap metal, using floor scale.
GOE: 06.04.02 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

509.685-050 SCRAP HANDLER (any industry)

    Tends machines, such as baling machine, centrifugal separator, and oil purifier to salvage metal parts and cutting oil: Loads and moves barrels or crates of metal chips, shavings, or clippings from machining operations, using handtruck. Dumps metal scrap into baling machine and activates machine to compress scrap into bales. Binds bales of metal scrap with wire or metal strapping. Shovels scrap in spinner bucket. Clamps covers, sets timer, adjusts sump pump and oil line valves, and flips switches to start automatic cycle of centrifugal machine that spins metal scrap to separate cutting oil from scrap. Starts centrifugal oil purifier that filters foreign matter from used cutting oil to make oil reusable. Disassembles rejected devices and materials, such as thermostats, valves, conduit, and connectors, using handtools, arbor press, vises, and power hacksaw. Sorts parts according to type of metal or part. Weighs bales and barrels of scrap metal and ties identification tags on scrap. May oversee and demonstrate salvaging procedures to other SCRAP HANDLERS (any industry).
GOE: 06.04.09 STRENGTH: H GED: R3 M2 L2 SVP: 3 DLU: 77

509.685-054 TANK TENDER (smelt. & refin.)

    Tends equipment that refines silver in electrolysis tank: Suspends silver anodes contained in canvas bags, between stainless-steel cathodes held on rack. Aligns and spaces anodes to prevent dislodging by mechanical scrapers. Swabs cathodes with oil to facilitate removal of deposited silver. Lowers rack of electrodes into tank and fills tank with silver nitrate electrolyte. Connects and starts wooden scrapers that scrape deposited silver from cathode. Scrapes remaining silver from cathode with knife and opens bottom of rack to empty silver into box. Removes bags containing depleted anodes and black mud. Examines bags for holes and broken frames and replaces defective parts. May mix acid and silver to prepare electrolyte solution, following standard formula.
GOE: 06.04.10 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77

509.686-014 PASTING-MACHINE OFFBEARER (elec. equip.)

    Removes battery plates from discharge conveyor of automatic equipment on which twin battery grids are pasted, dried, and broken apart into single grids: Removes and discards grids having defects such as bent, cracked, or unevenly pasted plates. Stacks specified number of finished plates on rack or dolly. Records number and type of rejected plates.
GOE: 06.04.09 STRENGTH: L GED: R1 M1 L1 SVP: 2 DLU: 77

509.686-018 SCRAP SORTER (nonfer. metal) alternate titles: picker

    Sorts scrap metal and removes foreign matter preparatory to use in recasting: Shovels metal scrap onto conveyor leading to magnetic drum that removes iron and steel pieces. Removes contaminating nonferrous metals, manually. May sift scrap to remove excess dirt and rust, using wire sifting tray. May remove inserts from defective castings, using gas torch, tongs, and pliers, and be designated Salvager, Inserts (nonfer. metal).
GOE: 05.12.03 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

509.687-010 BOTTOM MAKER (steel & rel.)

    Relines bottoms of ingot-soaking pits with coke dust to retard formation of oxide scale on hot ingots: Digs out molten metal, slag scale, and cinder from bottoms of pits, using flat-pointed bar, and scrapes debris into ladle. Shovels coke dust into pit, using bar to level bottom surface. May change crane tong bits, using sledgehammer.
GOE: 06.04.40 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

509.687-014 PORCELAIN-ENAMEL LABORER (any industry) alternate titles: check-and-transfer beader

    Performs any combination of following tasks, usually on conveyor line, in porcelain enameling process: Brushes or scrapes dry porcelain from holes and designated areas of workpiece, using powered or hand brushes and scraping tools. Inspects enameled workpiece and sands workpiece to remove dirt, blisters, and lumps. Brushes porcelain into nicks. Marks workpiece to indicate routing for further repair or processing. Removes excess enamel from dipped parts with cloth, finger, or suction hose. Marks workpiece with production number, unit number, or other code. Loads or unloads workpieces from conveyor line. Cleans workpiece with solvent and hangs workpiece on rack to dry preparatory to dipping in enamel. ay immerse workpiece in porcelain enamel solution. May transport workpiece to work or storage areas, using handtruck.
GOE: 06.04.33 STRENGTH: M GED: R1 M1 L1 SVP: 2 DLU: 77

509.687-018 STRINGER (jewelry-silver.)

    Strings jewelry articles on wire or hangs articles on racks preparatory to further processing, such as soldering, cleaning, plating, or stripping, and carries to machine operator. May clean machines. May be designated according to specific operation performed as Stringer-Up, Soldering Machine (jewelry-silver.).
GOE: 06.04.34 STRENGTH: L GED: R1 M1 L1 SVP: 1 DLU: 77

509.687-022 WEIGHER, ALLOY (nonfer. metal) alternate titles: charge-gang weigher

    Sorts and weighs nonferrous scrap metal and ingots for furnace charges: Separates grades and types of alloys by color or shape of casting and shovels metal into handtrucks. Selects scrap and ingots for furnace charge, according to specifications. Takes sample of furnace melts for laboratory analysis, observes metal in diecasting holding pots and finished castings, or reads label to verify use of specified alloys. May unload box cars of alloy materials. May operate lift truck to transport materials. May charge furnaces with alloy materials.
GOE: 06.03.02 STRENGTH: M GED: R2 M1 L2 SVP: 3 DLU: 77

509.687-026 LABORER, GENERAL (steel & rel.)

    Performs any combination of following tasks to assist workers engaged in production of iron and steel: Feeds and off bears equipment, such as conveyors, pilers, and loaders, to charge furnaces, transport hot metal to rollers, and store finished products. Bundles and ties metal rods, sheets, and wire, using banding machine and handtools. Attaches crane hooks, slings, or cradles to material for moving by OVERHEAD CRANE OPERATOR (any industry) 921.663-010. Transports material to and from production stations, using handtruck. Feeds material, such as ganister, magnesite, and limestone into crushers to prepare additives for molten metal. Grinds defects, such as burrs, seams, and scratches from rolled steel, using portable grinder. Sweeps scale from work area and empties dust bins, using wheelbarrow, broom, and shovel. Breaks up manganese and scrap metal to facilitate handling, using sledge and pneumatic hammer. Marks identification numbers on steel billets, using chalk. Verifies dimension of products, using fixed gauge. Wipes grease and oil from machinery with rags and solvent. May be designated Conveyor Feeder (steel & rel.); Crusher Feeder (steel & rel.); Loading Checker (steel & rel.); Marker (steel & rel.); Racker (steel & rel.); Scrap Breaker (steel & rel.).
GOE: 06.04.40 STRENGTH: H GED: R2 M1 L1 SVP: 3 DLU: 78

51 ORE REFINING AND FOUNDRY OCCUPATIONS

    This division includes occupations concerned with reducing, smelting, refining, or alloying metalliferous extracted ore, ore concentrate, pig, or scrap; and casting ingots, shapes for further processing, and finished metal products in a foundry.

510 MIXING AND RELATED OCCUPATIONS

    This group includes occupations concerned with combining mineral ore with solvents or other amalgams to produce a single mass or compound.

510.465-010 CARBIDE-POWDER PROCESSOR (machine shop)

    Tends machine and ovens to mix and dry ingredients used to fabricate carbide cutting-tool inserts, following work orders and charts: Reads work order to determine amount and grade of carbide specified. Computes amounts of ingredients required, using charts. Scoops ingredients from canisters, and weighs ingredients on scale to obtain specified amounts. Pours ingredients into cylindrical-tumbler mixing machine, starts tumbler, and stops it after specified time. Pours mixed ingredients into pans, and places them in decarbonizing oven to dry and burn off impurities. Removes pans from oven, adds other ingredients, and sifts mixture through screen to obtain powder of even consistency. Cleans equipment after each batch.
GOE: 06.02.10 STRENGTH: H GED: R3 M2 L2 SVP: 5 DLU: 77

510.465-014 SLURRY-CONTROL TENDER (smelt. & refin.)

    Tends ball mill and auxiliary equipment that grind bauxite and mix it with materials to form slurry: Computes amounts of bauxite, starch, and liquor in specified proportion, using weightometer. Turns valves on ball mill to grind bauxite. Turns valves on pumps to release liquor and starch from storage bins and to mix them with bauxite to form slurry. Starts pumps to transfer slurry to digester feed tanks. Opens and closes valves to pump sodium sulfide solution into slurry. Lubricates valves with grease gun, and adjusts packing glands to prevent leaks.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77

510.685-010 DUST MIXER (smelt. & refin.)

    Tends machines that mix flue dust and milk of lime to facilitate reprocessing in copper smelter: Starts screw conveyor and opens valves and hopper gate to start flow of lime solution and flue dust into mixer. Starts mixer, observes mixture for consistency, and adjusts flow rate to attain specified consistency. Stops flow of ingredients into mixing tank, and draws sample for laboratory analysis. Starts pump to transfer mix to filtering process. Cleans mixer after each batch. Records number of mixes, test results, and amount mixed on production forms.
GOE: 06.04.10 STRENGTH: L GED: R3 M2 L1 SVP: 4 DLU: 77

510.685-014 MIX-HOUSE TENDER (smelt. & refin.)

    Tends machine that mixes sintered lead or zinc ore with materials, such as pulverized coal and coke, salt, water, skimmings, and chemical solutions preparatory to smelting: Starts rotary-drum or paddle-type mixing machine. Squeezes handful of mixture into lump and crumbles it to determine consistency and moisture content of mixture. Turns valves to add water or chemical solution to mixture. May scoop samples of mixed ore into bucket for laboratory analysis. May be designated according to type of mixer tended as ixing-Pan Tender (smelt. & refin.).
GOE: 06.04.10 STRENGTH: L GED: R2 M1 L1 SVP: 3 DLU: 77

510.685-018 MIXER (nonfer. metal; steel & rel.) alternate titles: blender

    Tends mixing machines that blend batches of powdered metal, according to specifications: Weighs out specified amounts of materials, using scales. Dumps powders into mixing machine, such as tumbling-barrel or paddle-type mixer, and starts motor. Stops motor after specified time, and dumps mixture into containers.
GOE: 06.04.10 STRENGTH: M GED: R2 M2 L2 SVP: 3 DLU: 77

510.685-022 PUG-MILL OPERATOR (smelt. & refin.) alternate titles: mixer tender

    Tends pug mill that mixes preheated magnesia and carbon with hot asphalt to form viscous mixture for use in making pellets: Moves lever to open slide gate at outlet of heating chamber to permit heated mixture of magnesia and carbon to flow into pug mill. Opens and regulates valves to control flow of hot asphalt into mill. Opens valves to feed mixture into hoppers of briquetting machine.
GOE: 06.04.10 STRENGTH: L GED: R3 M1 L2 SVP: 4 DLU: 77

510.685-026 SINTER-MACHINE OPERATOR (smelt. & refin.; steel & rel.)

    Tends sintering machine and auxiliary equipment, such as conveyors, pug mill, and suction fan, to produce sinter cake from finely ground iron ore, lead, coke, and flue dust: Turns gas valve of sintering machine and ignites burner with torch. Moves controls on panelboard to start equipment. Signals SINTER FEEDER (steel & rel.) to feed pug mill conveyor specified amounts of sinter material. Feels mixture processed by pug mill to determine moisture content. Moves controls to regulate water supply to pug mill to attain specified moisture in mixture. Examines sinter cake produced by sintering machine and moves controls of machine to produce cake to specifications. Chips sinter material from chutes and spouts of machine, using bar and hammer. Records weight and type of materials used.
GOE: 06.04.10 STRENGTH: M GED: R3 M1 L1 SVP: 5 DLU: 77

510.685-030 SLIME-PLANT OPERATOR I (smelt. & refin.)

    Tends agitation tanks that mix copper ore slime and acid solution preparatory to precipitation of copper: Turns valves to regulate flow of slime and sulfuric acid from storage tanks into agitation tanks. Tests samples of solution for alkalinity or acidity, using filter paper, or by means of titration. Combines samples of solution from various stages of process for laboratory analysis. May dry, grind, or screen combined sample.
GOE: 06.04.10 STRENGTH: L GED: R3 M2 L1 SVP: 6 DLU: 77

511 SEPARATING, FILTERING, AND RELATED OCCUPATIONS

    This group includes occupations concerned with setting apart desirable materials in ore or concentrate by such means as forcing or drawing it through filtering devices by suction or pressure, sifting, straining, squeezing, centrifugal force, flotation, leaching, amalgamation, electrolysis, distillation, precipitation, or agitating devices.

511.130-010 ALUMINA-PLANT SUPERVISOR (smelt. & refin.) alternate titles: line supervisor; shift adjuster

    Supervises and coordinates activities of workers engaged in extracting alumina from bauxite: Calculates feed rates of raw materials, using formulas and chemical analysis reports. Inspects machines and equipment. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: M GED: R4 M3 L3 SVP: 8 DLU: 77

511.132-010 PRECIPITATOR SUPERVISOR (smelt. & refin.; steel & rel.)

    Supervises and coordinates activities of workers engaged in operating electrostatic dust precipitators to control emission of air pollutants or to salvage usable dust from flue: Inspects precipitators in service to determine adjustments required, and out-of-service precipitators for need of maintenance and repair. Trains new workers in adjusting operation and $T3rapping,$T1 and explains plant layout, working procedures, and safety regulations. May notify air and water pollution-control personnel when operating difficulties cause deviations from pollution standards. May be designated according to type of precipitation as Stack Supervisor (smelt. & refin.). Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 05.10.02 STRENGTH: L GED: R3 M2 L2 SVP: 5 DLU: 77

511.135-010 FILTER-PLANT SUPERVISOR (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in tending machines and equipment, such as screens, settlers, flotation cells, thickeners, or filterers, to process ore concentrate and slurry: Inspects machines, equipment, and conveyor systems to detect mechanical defects or malfunctions, and assigns workers to make repairs or adjustments. Observes workers to ensure compliance with safety regulations. Instructs new employees in machine and equipment operation. May be designated according to process supervised as Dewatering-Filtering Supervisor (smelt. & refin.); Flotation Supervisor (smelt. & refin.); Screen Supervisor (smelt. & refin.). Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 6 DLU: 77

511.382-010 TUNGSTEN REFINER (smelt. & refin.) alternate titles: chemical operator

    Controls chemical-processing equipment to recover tungsten oxide from ground concentrated ore: Starts conveyor to fill reactor tank with ore. Turns valves to pump specified quantity of hydrochloric acid into tank and to admit steam into tank jacket. Observes temperature gauge and adjusts valves to maintain acid solution at specified temperature for specified time. Fills tank with water to wash slurry, and drains waste-bearing water. Turns valve to pour slurry into caustic tank. Precipitates impurities, such as chlorides and oxides, by adding ammonia and sulfuric acid to solution. Filters solution into holding tank to remove precipitate. Adds specified amount of hydrochloric acid to tank to crystallize solution. Dries tungsten oxide crystals by pumping them through filter or centrifuge.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77

511.385-010 ZINC-CHLORIDE OPERATOR (smelt. & refin.)

    Tends equipment that separates zinc chloride from slag: Breaks up slag, using sledgehammer. Loads slag into water-filled tank, using hoist. Agitates solution to dissolve zinc chloride from slag, using airhose. Determines specific gravity and acidity of solution, using hydrometer and chemical reagents. Pumps impurities from solution through filters. Samples solution and observes its color to determine need for additional reagents and agitation. Pumps treated solution to tank cars or drums. Cleans sediment from equipment, using shovel and water hose, and replaces filter cloths.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

511.462-010 CONCENTRATOR OPERATOR (smelt. & refin.)

    Controls machines and equipment from instrumented control board to scrub, condition, float, classify, and convey phosphate rock for use in fertilizer and phosphoric acid: Monitors recording instruments, gauges, panel lights, and other indicators, and listens for warning signal to verify conformance to plant standards. Turns screws and knobs on control board to adjust flow of reagents, airflow, phosphate-rock feed rate, and conveyor belts. Observes flotation tanks to determine amount of sand clinging to rock, cyclones to detect presence of solids, and classifiers to detect wobble in or uneven feed rate of screw. Reports belt weight, amount and evenness of feed rate, waterflow amount, and specific density of slurry to mine, using telephone. Weighs samples from scrubber and conditioner to determine that amount of reagents in tank meets specifications. Reviews laboratory test results and makes adjustments required on control board. Inspects machines and equipment for potential and actual hazards, wear, leaks, and mechanical malfunctions requiring maintenance. Collects samples at various stage of operation for laboratory analysis. Records instrument readings, process conditions, and other operating data in shift log. Manually regulates or shuts down equipment as directed by supervisor. May tag samples collected for laboratory analysis. May assist in making mechanical repairs to machines and equipment during shutdown.
GOE: 06.02.11 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

511.465-010 TOP-PRECIPITATOR OPERATOR (smelt. & refin.)

    Tends battery of tanks that precipitate aluminum hydroxide from rich liquor: Schedules filling, seeding, and emptying of precipitator tanks. Opens feedline valves to fill tanks to designated levels with liquor and alumina seed slurry. Adjusts valves to regulate rate of filling precipitators and to maintain specified level in green-liquor tanks. Opens feedline valves to admit measured quantities of aluminum hydrate seed particles into precipitators. Turns valves to agitate mixture with compressed air. Turns valves to control flow of liquor to tanks of secondary thickness. Weighs sample of mixture in flask on platform scale. Reads charts and graphs to determine amount of slurry or liquor required to obtain specified consistency. Signals BOTTOM-PRECIPITATOR OPERATOR (smelt. & refin.) to pump mixture from tanks. Records sequence of operations on forms. May lubricate valves and adjust packing glands to prevent leaks.
GOE: 06.02.10 STRENGTH: M GED: R3 M1 L2 SVP: 4 DLU: 77

511.482-010 CONTROL OPERATOR (smelt. & refin.)

    Controls temperature, chemical composition, and level of cryolite baths in reduction pots to smelt aluminum oxide into aluminum: Breaks off sample piece of crust formed on bath surface, and grinds it into powder, using roll crusher. Routes sample to laboratory for analysis. Dips out sample of solution and pours it into containers, using ladle. Drops chemicals into sample and notes resultant color. Adds specified amounts of chemicals and alloys to bath, according to color shade of sample, to maintain solution at specified level and composition. Measures current flow and voltage between electrical connections on pots, using meters, and computes voltage drop between connections. Measures temperature of bath, heat exchangers, and heat-control pipes, using pyrometer, and turns rheostat to regulate temperature. Verifies specified distance between electrodes, using measuring rod. Measures depth of bath, and computes amount of aluminum available for tapping. Records tests made, amount of chemicals and alloys added to bath, and amount of aluminum tapped from pots.
GOE: 06.02.10 STRENGTH: L GED: R3 M2 L3 SVP: 5 DLU: 77

511.482-014 CRYOLITE-RECOVERY OPERATOR (smelt. & refin.)

    Operates machines to recover cryolite from scrap potlining: Sets mill gauge to specified feed rate and adjusts air volume, according to screen analysis from laboratory. Sets hearth rheostats and heat controller to specified temperature, and turns valves to adjust rate of flow of steam and oil to burners. Starts system of conveyors, grinder, roaster, mixer equipment, cooling and exhaust fans, and burners. Moves levers to regulate flow of materials, and adjusts valve to control volume of liquor. Turns valve to drain spent liquor and lime hydrate to $T3causticizer$T1 tanks. Makes titration test, records results, and sends samples to laboratory. Observes gauges, indicators, thermometers, and controls to ensure conformity to specifications.
GOE: 06.02.10 STRENGTH: L GED: R3 M2 L2 SVP: 5 DLU: 77

511.482-018 DUST-COLLECTOR OPERATOR (smelt. & refin.) alternate titles: dust operator

    Operates battery of electrical precipitators to collect metallic dust particles from fumes of smelting ore: Observes ammeters and voltmeters and moves panel controls to regulate flow of electric current to precipitators according to type of ore being smelted, or according to amount of draft, moisture content of dust, and color of stack emission. Switches off electric current. Replaces broken wire in precipitators, using pliers. May turn valves to spray acid and water into chambers to oxidize dust particles. May pull levers to actuate airhammers that knock dust from electrodes.
GOE: 06.04.19 STRENGTH: L GED: R3 M1 L1 SVP: 3 DLU: 77

511.485-010 MOLYBDENUM-STEAMER OPERATOR (smelt. & refin.)

    Tends equipment that removes reagent from molybdenum ore concentrate: Installs different-size orifices to regulate flow of solids and liquids into vats. Adjusts steam valve to maintain concentrate at specified steaming point. Draws sample to determine alkalinity of concentrate, using titration test. Regulates flow of lime solution into vats according to alkalinity test readings to neutralize acids. Weighs sample and compares it with standard chart to determine percentage of solids in concentrate. Inserts airhose into vats to clear clogged outlets.
GOE: 06.02.10 STRENGTH: L GED: R3 M2 L2 SVP: 4 DLU: 77

511.485-014 THICKENER OPERATOR (smelt. & refin.)

    Tends thickeners that separate waste solids from ore solutions or water, preparatory to recovery of metal or disposal of waste: Turns valves to regulate flow of mixture into thickeners. Inserts indicator into mixture to measure sludge level. Observes operation of equipment, overflow of concentrated metal solution, and flow of sludge from tank. Breaks up sedimentation in troughs with wooden paddle. Prepares sample of sludge for chemical analysis by weighing sample, adding acid to facilitate settling of solids, and reducing amount of sample to desired proportion in splitter. May titrate sample and compare resultant color with standard chart to test overflow solution for metallic content. May add chemicals to soften water in tanks. May fill out forms for scale readings and details of malfunctions. May be designated according to kind of materials separated as Red-Mud Thickener Operator (smelt. & refin.); Tailing-Thickener Operator (smelt. & refin.).
GOE: 06.04.10 STRENGTH: L GED: R3 M1 L2 SVP: 4 DLU: 77

511.562-010 CLASSIFIER OPERATOR (smelt. & refin.) alternate titles: hydrate-thickener operator; tray thickener operator

    Operates classifier units to separate coarse and fine precipitated alumina particles from liquor: Regulates valves on settling trays of hydroseparators to draw fine particles from top and coarse particles from bottom of trays. Adjusts valves to wash liquor from coarse particles in classifier unit. Pumps fine hydrate from underflow of tray thickeners to storage tank for use in precipitating more alumina, and pumps coarse particles to storage tanks to await further processing. Lubricates valves and adjusts packing glands to prevent leaks. May open and close valves and start and stop pumps to circulate cleaning solutions through process lines. May keep log of operations.
GOE: 06.04.10 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77

511.565-010 DEWATERER OPERATOR (smelt. & refin.) alternate titles: kiln-head house operator

    Tends dewatering machines that filter moist solid aluminum hydroxide from coarse slurry: Turns valves to regulate flow of slurry and wash water to dewaterers and to admit solids to kilns, according to temperature readings, alumina-quality reports, and discharge rates given by KILN OPERATOR (smelt. & refin.). Adjusts valves to maintain supply of water for vacuum pumps, wash water, and water-cooled bearings. Regulates valves in cooperation with other operators to obtain balancing levels in filtrate tanks, hydrate storage tanks, and hydrate storage overflow tanks. Lubricates valves and adjusts packing glands to prevent leaks. Changes automatic recording charts in machines. Records tank levels and density readings of hydrate in log. May tend dust-recovery system.
GOE: 06.04.10 STRENGTH: M GED: R3 M1 L2 SVP: 5 DLU: 77

511.565-014 DRIER TENDER (smelt. & refin.) alternate titles: drier operator; rotary-drier operator

    Tends oil-fired, rotary, magnetic drier that removes oil and iron from aluminum-scrap turnings: Ignites burner, and adjusts mixture of oil and air to obtain desired temperature. Starts drier, and turns on current to remove iron magnetically. Signals workers to load scrap into drier, and regulates rate of feed in accordance with oil content of scrap. Places wheelbarrow at discharge end of drier to receive processed turnings. Weighs filled wheelbarrow, records weight, and dumps load onto pile.
GOE: 06.04.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

511.565-018 IRON-LAUNDER OPERATOR (smelt. & refin.)

    Tends iron launders that precipitate copper from solution: Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to load launders with shredded tin cans (iron). Starts pumps and turns valves to regulate flow of solution through series of launders to ensure maximum precipitation of copper. Measures copper content of solution at various stages of processing by titration tests. Adds iron to launders to maintain maximum recovery of copper. Excavates precipitated copper from launders and cleans tanks. Keeps record of titration tests.
GOE: 06.04.10 STRENGTH: L GED: R3 M1 L2 SVP: 4 DLU: 77

511.582-010 LEACHER (smelt. & refin.)

    Controls equipment to leach out metal from ore in solution: Weighs sample of solution and evaporates moisture from it, using heater. Reweighs sample to determine percentage of solid material in solution. Siphons water from solution to obtain specified concentration, following chart. Turns valves to feed chemicals, such as cyanide or acid, into tank of ground ore or filtered slime. Starts mechanical agitators and observes percolation of solution to ascertain dissolution of ore. Tests solution with hydrometer to determine degree of ore concentration. Obtains sample of solution for laboratory analysis. May supervise workers in loading and excavating leaching tanks. May tend filtering machine to separate fluids from metal. ay tend pumps to force ground ore and solution into or from tanks. May lubricate equipment and clean tank with water hose. May heat solution in tank with steam and add premeasured amounts of solid materials, such as manganese. May be designated according to ore leached as olybdenum-Leaching-Plant Operator (smelt. & refin.).
GOE: 06.02.10 STRENGTH: L GED: R3 M2 L2 SVP: 5 DLU: 77

511.585-010 HYDRATE-CONTROL TENDER (smelt. & refin.)

    Tends equipment that pumps aluminum hydrate from secondary thickeners through wash tanks to storage tanks: Turns valves to regulate amount of hydrate flowing into thickeners and washing tanks to maintain specified density of hydrate. Adjusts valves and pumps to transfer hydrate from secondary thickeners through wash tanks into seed storage tanks. Tests sample of hydrate to determine its density, using hydrometer. Lubricates valves and adjusts packing glands to prevent leaks. Keeps operating log.
GOE: 06.04.10 STRENGTH: M GED: R3 M1 L2 SVP: 4 DLU: 77

511.586-010 TOP-PRECIPITATOR-OPERATOR HELPER (smelt. & refin.)

    Assists TOP-PRECIPITATOR OPERATOR (smelt. & refin.) in precipitating aluminum hydroxide from rich liquor: Opens valves and starts pumps to fill precipitators according to schedule and to add specified seed charges to tanks as directed, using levelometer to determine amount of seed added. Raises and lowers circulating lines, using electric hoist. Drops metal weights from tops of tanks to break scale and crust formations in empty tanks. Lubricates valves and adjusts packing glands to prevent leaks. Examines precipitator tanks for adequate circulation and empty tanks for cleanliness. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

511.662-010 CLARIFIER OPERATOR (smelt. & refin.)

    Controls equipment that separates mud from alumina liquor and recovers soda from mud: Pumps thickened mud to washers and turns valves to regulate flow of water into washers. Turns valves to release specified amount of mud into washers to maintain sludge balance. Turns valves to pump sediments from washer into earthen thickeners. Opens valves to introduce starch into mud settlement and to regulate flow of milk of lime at specified rates. Lubricates valves and adjusts packing glands, using grease guns and wrench.
GOE: 06.04.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

511.664-010 BOTTOM-PRECIPITATOR OPERATOR (smelt. & refin.)

    Empties slurry from precipitator tanks as directed by TOP-PRECIPITATOR OPERATOR (smelt. & refin.): Starts and stops pumps to transfer slurry to thickener tanks. Adjusts valves to control rate of discharge of slurry and to maintain required level of mixture in equalizer tanks. Removes barrel flanges, using handtools. Cleans precipitator barrels and screen boxes, using hose and cleanup tools. Cleans airline of precipitator tank, using metal rod. Lubricates valves and adjusts packing glands to prevent leaks.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L2 SVP: 4 DLU: 77

511.667-010 CLARIFIER-OPERATOR HELPER (smelt. & refin.)

    Assists CLARIFIER OPERATOR (smelt. & refin.) in separating mud from alumina liquor and in recovering soda from mud: Turns valves to flush lines. Turns valves to divert flow of alumina liquor through standby equipment as directed by CLARIFIER OPERATOR (smelt. & refin.). Reads tank gauge and records sludge levels of mud settlers and washers. Takes sample of mud sediments and weighs it to determine density. Lubricates valves and adjusts packing glands to prevent leaks, using grease gun and wrench. Cleans screen boxes. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

511.667-014 COLOR TESTER (smelt. & refin.)

    Collects and tests samples of copper-ore slurries: Draws samples from processing tanks or vats at specified times and locations, and labels containers with identifying data. Weighs samples, compares color against chart, and measures acidity or alkalinity, using pH meter. Records test results on product-control forms. Observes equipment during rounds to detect malfunctions, and notifies FILTER-PLANT SUPERVISOR (smelt. & refin.) of irregularities.
GOE: 06.03.01 STRENGTH: L GED: R3 M1 L2 SVP: 3 DLU: 77

511.682-010 DUST COLLECTOR, ORE CRUSHING (smelt. & refin.)

    Operates dust-collecting equipment in crushing department of copper refinery to recover dust from ore: Starts feed conveyors, suction fans, impellers, and electrodes, and moves controls to regulate dampers, equalizing ports, and water eliminators. Turns valves to fill and maintain level of water in tanks. Observes operation of equipment and filling of collected dust in hoppers to ensure efficient operation. Inspects and cleans water eliminators, impellers, hopper walls, air chambers, fan housings and wheels, safety switches, and water-level control devices, using water and airhose. Removes and cleans strainers in waterlines. Adjusts and tightens belts on motors or pulley wheels to maintain tension, using handtools. Lubricates motors and exhaust bearings.
GOE: 06.02.10 STRENGTH: M GED: R3 M1 L2 SVP: 3 DLU: 77

511.685-010 AMALGAMATOR (smelt. & refin.)

    Tends equipment that separates gold or silver from ground ore by mercury amalgamation process, using either of following methods: (1) Turns valves or opens gates to regulate flow of ore and water over mercury-coated plates. Adjusts angle of plates to facilitate collection of amalgam. Scrapes accumulated amalgam from plates and coats plates with mercury. (2) Turns valves or opens gates to charge ground ore and mercury into rotating-type barrels or agitating-type tanks. Starts equipment and observes accumulation of amalgam. Discharges or drains barrel or tank to recover gold or silver amalgam.
GOE: 06.04.10 STRENGTH: L GED: R3 M1 L1 SVP: 3 DLU: 77

511.685-014 CLASSIFIER TENDER (smelt. & refin.)

    Tends equipment that separates crushed ore into sands (coarse particles) and slimes (fine particles), preparatory to concentration of metal: Starts equipment, and regulates flow of crushed ore, water, and flotation reagent into classifiers which separate coarse particles by raking mechanism or swirling action of water while fine particles are carried off in overflow. Observes meter indicating alkalinity of slime, and adds lime solution, as necessary. Removes sand to prevent clogging by flushing or pulling lever on classifier to dump it. May lubricate machines. May replace defective parts, using handtools. May be designated according to type of classifier used as Cone-Classifier Tender (smelt. & refin.).
GOE: 06.04.10 STRENGTH: L GED: R3 M1 L2 SVP: 4 DLU: 77

511.685-018 CONDENSER-TUBE TENDER (smelt. & refin.)

    Tends battery of condenser tubes in which gaseous mercury is condensed into liquid mercury: Places water-filled buckets at base of each tube to collect liquid mercury. Removes buckets as mercury accumulates, pours off water, and strains mercury into steel flask. Pours mixture of water, mercury, and dust onto sloping table, adds quicklime, and stirs mixture with hoe to separate remaining mercury from sediment.
GOE: 06.04.10 STRENGTH: H GED: R2 M1 L1 SVP: 2 DLU: 77

511.685-022 DUST-COLLECTOR ATTENDANT (mine & quarry)

    Tends equipment that washes taconite ore dust collected from air: Starts dust collection equipment and turns valves to adjust pressure to required level as indicated by manometer. Examines parts of dust collector, such as pipes, nozzles, strainers, and collection surfaces, for pluggings, breaks, leaks, and residue. Closes water valves and stops pumps to permit cleaning and repairing of equipment. Washes residue from collection surfaces, pumps, hoppers, and fans, using water hose. Turns threaded water nozzles into fittings to change type of nozzle or to replace defective ones. Removes mesh strainers and cleans them, using airhose. Tightens glands on pumps and valves, using wrenches. May record gauge readings. May tend equipment that extracts carbon dust from air.
GOE: 06.04.09 STRENGTH: L GED: R3 M1 L1 SVP: 3 DLU: 77

511.685-026 FLOTATION TENDER (smelt. & refin.)

    Tends flotation machines that separate metals from gangue of ore: Turns valves to regulate flow of pulp and reagents into cells. Turns valves to introduce compressed air into cells to agitate mixture and to promote froth that carries metallic particles to surface of liquid and deposits them through side opening of cell into launders. May tend cells that are agitated either mechanically or by air, or combination of both. May lubricate and repair machines. May be designated according to metal separated as Copper-Flotation Operator (smelt. & refin.); Molybdenum-Flotation Operator (smelt. & refin.).
GOE: 06.04.10 STRENGTH: L GED: R3 M1 L1 SVP: 4 DLU: 77

511.685-030 KETTLE TENDER II (smelt. & refin.)

    Tends gas-fired kettle that removes gold, silver, and copper from black mud: Shovels mud into kettle, and turns valve to admit acid until mud is covered. Rakes mud to dissolve gold and silver. Ladles solution into water-filled settling tank to precipitate gold and silver compounds. Removes precipitates and adds reagents to change their chemical composition. Heats precipitates in cupola furnace to extract gold and silver. Ladles remaining mud into tank filled with water and admits steam to dissolve copper.
GOE: 06.04.10 STRENGTH: M GED: R3 M1 L2 SVP: 4 DLU: 77

511.685-034 KETTLE TENDER, PLATINUM AND PALLADIUM (smelt. & refin.)

    Tends gas-fired evaporator that recovers gold, platinum, and palladium from electrolyte used in gold-refining tanks: Adds liquid and gaseous reagents to electrolyte and heats it in evaporator to precipitate metals. Separates each precipitate from solution, using porcelain filters. Heats platinum and palladium precipitates in crucible furnaces to make $T3sponge.$T1 Breaks up sponge preparatory to shipment, using pliers.
GOE: 06.04.10 STRENGTH: M GED: R3 M1 L2 SVP: 4 DLU: 77

511.685-038 PRECIPITATOR I (smelt. & refin.)

    Tends equipment that precipitates gold or silver from cyanide solution: Packs zinc shavings into compartments of zinc boxes. Regulates flow of solution through boxes where gold or silver precipitates on zinc. Shuts off flow of solution and turns on water. Agitates shavings to remove precipitate. Pulls plugs and draws off slime (precipitate and water) from boxes. Treats slime with sulfuric acid. Turns slime solution into filter press that filters solution and removes precipitate residue. Washes precipitate with water under pressure, and dries it with compressed air.
GOE: 06.04.10 STRENGTH: L GED: R3 M1 L1 SVP: 4 DLU: 77

511.685-042 PRECIPITATOR II (smelt. & refin.)

    Tends tanks that precipitate uranium oxide from solution of uranium nitrate: Moves pump controls and turns valves to regulate flow of uranium nitrate solution into precipitation tank. Starts tank agitator and turns valve to feed specified amount of ammonia into tank. Dumps specified amount of magnesium oxide from bags into tank. Turns off agitator after specified period to allow uranium oxide to settle. Pumps tank underflow to automatic drier and tank overflow to thickener.
GOE: 06.04.10 STRENGTH: M GED: R3 M1 L2 SVP: 4 DLU: 77

511.685-046 REAGENT TENDER (smelt. & refin.)

    Tends mechanical agitator that mixes chemicals for use in separating metallic particles from ore gangue: Turns valves to pour specified amounts of chemical solutions from storage tanks into mixing tank. Weighs chemical compounds on scales, and dumps chemicals into mixing tanks, using forklift truck. Starts agitator to blend mixture. Turns valves on pumps to transfer mixture to storage tank. May weigh steel rods and balls and transport them to mills, using air-powered dinkey engine. May open chute door of storage tank to charge ball mills.
GOE: 06.04.10 STRENGTH: L GED: R3 M1 L1 SVP: 4 DLU: 77

511.685-050 SCREEN OPERATOR (smelt. & refin.)

    Tends series of vibrating screens that separate crushed ore or stone according to size: Pushes controls to start screens vibrating and move ore on conveyors or belts. Pulls levers to discharge crushed ore from conveyor or chute onto vibrating screens. Clears screen holes clogged with oversize ore, using bar. Removes clogged screens, using wrenches, and cleans them with compressed air. May tend conveyor belts and process ore through crushers [CRUSHER TENDER (smelt. & refin.)]. May obtain ore samples, using mechanical sampler, hand sieve, or splitter. May tend screens that separate phosphate rock from matrix and be designated Feed-Preparation Operator (mine & quarry).
GOE: 06.04.08 STRENGTH: M GED: R3 M1 L2 SVP: 4 DLU: 77

511.685-054 SLIME-PLANT OPERATOR II (smelt. & refin.)

    Tends equipment, such as grinders, leachers, filters, pressers, and evaporators that recover gold, silver, selenium, and other minerals from impurities: Grinds impure slag or ore in ball mill, and mixes slag with water to form slurry. Turns valves and starts pumps to force mixture into leaching tanks. Starts agitators and adds chemicals to leach combined solutions. Starts pumps to force leached solution into settling tanks, and installs orifices to control rate of flow of sediment and liquids to and from settling tanks to remove liquid. Feeds settled solution through rotary-drum filters, and presses filtered slime in press [FILTER-PRESS OPERATOR (any industry)]. Boils selenium residue to remove moisture for barreling. Obtains and weighs samples of slimes during process, using container and platform scales, and delivers samples to laboratory for analysis. Drains and cleans tanks, wire screens, inflow pipes, and equipment with water hose. May be designated according to mineral recovered as Selenium-Plant Operator (smelt. & refin.).
GOE: 06.04.12 STRENGTH: L GED: R3 M1 L2 SVP: 4 DLU: 77

511.685-058 SLIME-PLANT-OPERATOR HELPER (smelt. & refin.)

    Assists SLIME-PLANT OPERATOR (smelt. & refin.) II in separating ore concentrate from slurry: Turns valves to regulate flow of liquids into tank. Observes operation of filters and notifies SLIME-PLANT OPERATOR (smelt. & refin.) II of malfunctions. Replaces worn filters, using handtools. Lubricates valves and adjusts packing glands. May record operating data in log. May tend overhead bridge crane to transport filters and equipment. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

511.685-062 TABLE TENDER (smelt. & refin.)

    Tends concentrating tables that separate valuable metals from gangue of ore and scrap: Turns valves to regulate flow of pulp onto tables. Regulates speed of reciprocating tables to effect maximum separation and recovery of metals. Adjusts slope of tables to establish line of separation between ore and gangue and between valuable metal and scrap. Repairs tables, and adjusts and lubricates driving mechanism. May be designated according to materials processed as Table Tender, Sludge (smelt. & refin.).
GOE: 06.04.10 STRENGTH: M GED: R3 M1 L1 SVP: 4 DLU: 77

511.685-066 TROMMEL TENDER (smelt. & refin.)

    Tends trommel (revolving drumlike sieve) that washes copper precipitate from scrap iron: Starts previously loaded trommel and turns on water sprays. Pumps precipitated copper and water mixture into settling tank. Shovels spilled scrap iron back into tank. Lubricates trommel bearings, and washes copper from equipment with water hose. May line bottom of railroad car with precut wooden boards preparatory to loading car with copper.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

511.686-010 REAGENT TENDER HELPER (smelt. & refin.)

    Assists REAGENT TENDER (smelt. & refin.) in separating metallic particles from gangue of ore: Connects air line and line from storage tank to tank car, using handtools. Turns valves to release air pressure into lines, and observes connections for leaks. Turns valves to pump chemical solutions, such as chlorine, caustic soda, and fuel oils, from tank cars into storage tanks. May weigh steel rods and balls and transport them to mills, using air-powered dinkey engine. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

511.687-010 BLANKET WASHER (smelt. & refin.)

    Cleans flannel blankets over which mixture of finely ground gold ore and cyanide solution from grinding mills is passed to collect free particles of gold not dissolved by cyanide: Collects blankets from frames at outflow point of mills. Washes blankets in pans of weak cyanide solution to dislodge gold particles so they may be collected in amalgamation process. Replaces blankets on frames after washing.
GOE: 06.04.27 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

511.687-014 DUST COLLECTOR-TREATER (smelt. & refin.) alternate titles: rapper

    Assists DUST-COLLECTOR OPERATOR (smelt. & refin.) in collecting metallic dust particles from fumes of smelting copper ore: Pushes switches to shut off electric current to precipitators, and observes amount of dust accumulated on electrode pipes and plates. Pulls levers to start hammers that knock dust from electrodes into collecting chambers. Opens chamber doors and blows down dust remaining in chamber, using airhose. Replaces broken wires in precipitators, using pliers. Turns valves to add acid solution and water to chambers to cool and treat fumes. Performs other duties as described under HELPER (any industry) Master Title. May be designated Acid Conditioner (smelt. & refin.); Cottrell Blower (smelt. & refin.).
GOE: 06.04.09 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

511.687-018 FLOTATION-TENDER HELPER (smelt. & refin.)

    Scrapes caked waste material from sides of flotation cells, and washes cells with water. May ream out air passages of agitators, using steel rod. May collect samples of pulp and concentrate at prescribed intervals for analysis. May assist in dismantling and repair of equipment. May record details of operating conditions in log.
GOE: 06.04.34 STRENGTH: M GED: R1 M1 L1 SVP: 1 DLU: 77

511.687-022 SKIMMER, REVERBERATORY (smelt. & refin.)

    Skims slag from surface of copper being refined in reverberatory furnace: Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to lower pan, and positions it in front of slag tapping hole. Inserts wood pole through door in side of furnace, working pole back and forth to push slag toward front of furnace. Drags slag from surface of copper into pan, using steel hoe. Inserts compressed-air line through furnace opening, and turns valve to force air through molten metal to oxidize impurities. May shovel coke over surface of skimmed metal to prevent excess oxidation.
GOE: 06.04.34 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

511.687-026 TAILINGS-DAM LABORER (smelt. & refin.)

    Directs waste ore materials through pipelines into tailings basin: Opens and closes spigots to regulate flow of tailings. Connects hoses to spigots and adds pipes to lengthen discharge lines, using wrenches. Distributes tailings evenly in basin to form dam of waste materials. Digs ditches with shovel to drain water.
GOE: 06.04.34 STRENGTH: H GED: R2 M1 L1 SVP: 2 DLU: 77

512 MELTING OCCUPATIONS

    This group includes occupations concerned with heating ore concentrate or metal to change it from solid to liquid for such purposes as compounding with other materials, refining, and preparing for casting.

512.130-010 REDUCTION-PLANT SUPERVISOR (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in operation and maintenance of aluminum-reduction pots. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

512.132-010 MELTER SUPERVISOR (steel & rel.)

    Supervises and coordinates activities of workers engaged in operating open-hearth, electric-arc, or oxygen furnaces to produce steel: Directs workers in charging furnace with specified raw material and in taking temperature tests of molten metal. Observes color of molten metal through cobalt-blue glasses, and orders changes in furnace temperature. Coordinates charging and melting with molding and pouring operations. Performs other duties as described under SUPERVISOR (any industry) Master Title. May be designated according to type of furnace as Melter Supervisor, Electric-Arc Furnace (steel & rel.); Melter Supervisor, Open-Hearth Furnace (steel & rel.); Melter Supervisor, Oxygen Furnace (steel & rel.).
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

512.132-014 RECLAMATION SUPERVISOR (nonfer. metal)

    Supervises and coordinates activities of workers engaged in melting reclaimed dross and scalpings, casting molten scrap into ingots, and alloying aluminum with metals, such as copper, nickel, and iron: Inspects condition (paper-covered, dirty, glass-mixed) and type of incoming scrap to determine melting process, and records information on planning chart. Confers with other departments to determine alloys to be used and priority of casting. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M2 L3 SVP: 7 DLU: 77

512.132-018 REMELT-FURNACE EXPEDITER (nonfer. metal)

    Supervises and coordinates activities of workers engaged in tapping remelt furnaces, and in fluxing aluminum alloy preparatory to casting: Directs workers in tapping of aluminum alloy from remelt furnaces into ladles and in introducing chlorine gas into ladles to flux molten alloys. Directs OVERHEAD CRANE OPERATOR (any industry) 921.663-010 in moving ladles from tapping position to casting units. Records temperature and time of tapping furnaces and of fluxing ladles. May supervise workers engaged in collecting and weighing charges of aluminum and other metals for melting into alloys and be designated Metal Expediter (nonfer. metal). Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: M GED: R4 M2 L3 SVP: 7 DLU: 77

512.132-022 SUPERVISOR, BLAST FURNACE (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in controlling blast furnaces to smelt concentrates of lead ore preparatory to refining it. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

512.135-010 POT-ROOM SUPERVISOR (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in tending reduction pots to smelt aluminum oxide into aluminum: Observes gas flames, warning lights, and voltmeters on pots to verify specified voltage input. Signals POT TENDER (smelt. & refin.) to raise and lower anode to restore pot to normal operation. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

512.362-010 FIRST HELPER (steel & rel.) alternate titles: melter assistant; open-hearth-furnace operator

    Operates open-hearth furnaces to produce specified types of steel: Examines raw materials for conformance to specifications. Signals CHARGING-MACHINE OPERATOR (steel & rel.) to place materials in furnace. Turns fuel, air, and steam controls to adjust fuel mixtures and draft. Moves levers to circulate gas throughout furnace to distribute heat and prevent burning out of furnace walls. Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to pour molten metal in furnace. Obtains sample of metal, using long-handled spoon, and pours sample into test mold. Tests sample for carbon content, using carbon analyzer. Moves controls to open furnace doors, and shovels additives, such as fluorspar, lime, and alloys, into furnace to obtain specified type of steel. Determines temperature of metal, using thermocouple. Observes color of molten metal through cobalt-blue glasses to determine when to tap furnace and notifies MELTER SUPERVISOR (steel & rel.). Directs crew in tapping furnace and adding specified additives to ladle. Records operational data on forms. Examines furnace to determine repairs needed, and directs crew in repairing furnace walls and flooring.
GOE: 06.02.10 STRENGTH: H GED: R3 M2 L2 SVP: 6 DLU: 77

512.362-014 FURNACE OPERATOR (nonfer. metal; smelt. & refin.)

    Controls furnace to refine or melt nonferrous ore or metal to specifications: Sets furnace controls to regulate flow of air, gas, oil, or current to heat metal to specified temperature. Observes color, fluidity of molten bath, and appearance of metal on bar, to estimate temperature, or measures temperature, using pyrometer. Inserts end of green pole into furnace to prevent oxidation of copper. Adds reagents to remove impurities, according to type of metal processed. Skims slag with rabble, dross hoe, or ladle. Opens blowers to force air through tuyeres to agitate bath, and stirs bath with wooden pole or iron rod to release oxygen. Seals taphole with fire clay and firebrick. Turns handwheel or moves lever to tilt or turn furnace and taps metal into pots for removal to other furnaces [TAPPER (nonfer. metal; smelt. & refin.)]. Lifts and transfers ladles of melt, using hoist. Sprays dore or silver crystals with water, and dries them with vacuum drier prior to melting. Samples materials and sends samples to laboratory for analysis [RAW SAMPLER (smelt. & refin.)]. Sprays molds with bone ash to prevent metal from adhering to mold. May replace defective parts or clean equipment. May operate puncher to clear tuyere holes and allow air to pass through molten copper in converters to burn off impurities. ay be designated according to type of furnace operated or product processed.
GOE: 06.02.10 STRENGTH: M GED: R4 M2 L2 SVP: 5 DLU: 77

512.362-018 FURNACE OPERATOR (foundry; steel & rel.) alternate titles: air-furnace operator; caster, investment casting; pit-furnace melter; rotary-furnace operator

    Controls gas, oil, coal, electric-arc, or electric induction furnace to melt metal prior to casting: Weighs out specified amounts of metal ingots and scrap metal, and charges metal into furnace by hand, using hoist, or by directing crane operator to charge furnace. Loads molten metal into furnace, using transfer ladle. Turns valves to regulate injection of fuel and air into furnace, or moves controls to regulate flow of electricity and water coolant through electrodes to heat furnace to specified temperature. Observes color of metal and instruments, such as voltmeter, ammeter, wattmeter, and pyrometer, and adjusts controls to maintain specified temperature. Sprinkles fluxing agent over surface of molten metal to bring impurities to surface, forming layer of slag. Skims off slag, using strainer. Removes crucible containing molten metal from furnace, using hoist, moves levers to tilt crucible or open crucible door, or breaks clay plug to pour metal into ladle for transportation to molds. Removes test sample of molten metal from crucible, using hand ladle, and pours it into mold. Records data from each melt on form. Positions new electrodes over worn electrodes in electric-arc furnace, using overhead crane, and screws electrodes together, using chain wrench. May transport crucible or ladle to pouring station and pour metal into molds. May be designated according to type of furnace operated as Electric-Arc-Furnace Operator (foundry; smelt. & refin.; steel & rel.); Furnace Operator, Oil Or Gas (foundry); Induction-Furnace Operator (foundry); Tilting-Furnace Operator, Oil Or Gas (foundry).
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L3 SVP: 5 DLU: 77

512.382-010 OXYGEN-FURNACE OPERATOR (steel & rel.)

    Operates oxygen furnace and auxiliary equipment from pulpit to produce specified types of steel: Moves controls to position furnace for charging operation. Observes temperature gauges and recorders, and moves controls to position oxygen lance and regulate flow of oxygen through lance onto charge. Sets weight indicator gauge according to specified amount of additives to be added to charge. Starts automatic weighing machine that releases additives, such as fluorspar, lime, and alloys, from bins onto conveyor leading to chute over furnace. Moves lever to release additives from chute into furnace. Moves controls to adjust position of oxygen lance in furnace, regulate oxygen flow, or adjust hood draft when sparking or slopping of charge occurs or furnace overheats. Moves controls to position transfer car, carrying ladle and slag pots, under taphole and to tilt furnace for tapping operation. Records operation data.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77

512.382-014 STOVE TENDER (steel & rel.) alternate titles: hot blaster

    Operates battery of gas-fired stoves to supply heated airblast to blast furnace: Turns gas valves and ignites burners in combustion chamber of stove, using torch. Observes temperature records, and moves controls to close gas and chimney valves when heat inside stove reaches specified temperature. Opens valves on stove allowing air from blowing engine to pass through hot-blast stove into furnace. Adjusts stove controls to maintain specified temperature of airblast. Alternates operation among stoves in battery to provide continuous blast of hot air. Cleans carbon and dirt from flues to prevent internal explosions. Inspects cooling and washing equipment for leaks. Assists furnace crew in casting hot metal and flushing slag from furnace.
GOE: 06.02.10 STRENGTH: L GED: R3 M1 L2 SVP: 5 DLU: 77

512.382-018 TIN RECOVERY WORKER (smelt. & refin.)

    Controls scruff and burn-off furnaces and auxiliary equipment to reclaim tin or terne from coating pots, tinplate, and used electrolytic anodes: Washes scruff with hose to remove flux. Starts crushing machine, and shovels scruff into machine to reduce scruff to uniform size. Charges scruff into furnace, and ignites gas burner with torch. Adjusts heat controls to obtain specified temperature for reclaiming metal from scruff. Breaks up lumps in scruff, using rake and hoe. Turns valves to tap furnace and allow reclaimed metal to flow into iron kettle or melting pot. Heats kettle, and skims foreign metal from top, using ladle. Adds specified amounts of tin or lead in producing terne. Pours metal into pig or electrolytic anode molds. Weighs and records amount of recovered metal. Marks weight on pigs, and stores pigs in warehouse.
GOE: 06.02.10 STRENGTH: H GED: R3 M2 L2 SVP: 4 DLU: 77

512.467-010 POTLINE MONITOR (smelt. & refin.)

    Tests electrical circuitry and measures temperature and depth level of materials in aluminum reduction pots: Places contact rods of voltmeter against anode of reduction pot and against lining (cathode) of next pot on line to obtain voltage reading of pot circuit. Records meter reading, repeats test on next pot, and deducts reading from previous reading to determine any power loss. Repeats test on each succeeding pot to obtain and record power loss at each point along potline. Removes concrete sections of floor, using overhead hoist, to expose electrical circuits. Places prongs of millivoltmeter on ground and electrical connections to measure amount of positive and negative charges entering pot. Inspects electrical connections, firebrick lining, and wiring to detect damaged, worn, or broken parts, and notifies POT-ROOM SUPERVISOR (smelt. & refin.) of discrepancies. Breaks hole in pot crust with crowbar, and inserts thermocouple to measure temperature of contents. Measures depth of contents, using measuring rod, and records temperature and depth on control form. Dips ladle into pot to remove sample of aluminum for laboratory analysis, and pours sample into mold. Records test readings, voltage loss, temperatures, and depth levels on master control form, and submits it to POT-ROOM SUPERVISOR (smelt. & refin.).
GOE: 06.03.01 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

512.487-010 METAL CONTROL WORKER (foundry)

    Weighs alloy, shot, or strips of metal to obtain specified amounts required by FURNACE OPERATOR (foundry; steel & rel.), using platform scale: Cuts bar stock to specified lengths, using power saw. Stamps code on bar to indicate alloy and heat number. Places pelletized metal in barrels. Records weight and kind of metals issued in logbook. Delivers specified metal to FURNACE OPERATOR (foundry; steel & rel.), using handtruck or industrial truck. May verify incoming metal shipments against invoice, store metal, and maintain inventory of metal on hand.
GOE: 06.03.01 STRENGTH: M GED: R3 M2 L2 SVP: 3 DLU: 77

512.662-010 CUPOLA TENDER (foundry) alternate titles: furnace tender

    Controls cupola furnace to melt and refine iron, scrap metal, and other additives to produce gray iron castings: Closes and props door in bottom of cupola. Shovels sand into cupola and tamps sand to form wedge-shaped layer on cupola bottom sloping toward taphole. Kindles fire, using gas torch, to ignite coke bed in cupola, and starts and sets speed of blowers that supply air to cupola. Signals CUPOLA CHARGER (foundry) 512.686-010 to begin charging metal, coke, and limestone into cupola. Reads gauges indicating temperature of molten metal in cupola and amount of air flowing into and out of cupola, and adjusts controls accordingly. Taps molten metal from cupola. Estimates, from color of slag draining from surface of molten metal, physical properties of metal being melted. Pulls prop from bottom doors of cupola, when shutting down furnace, to allow residual materials to drop out. May charge layer of excelsior, rags, and wood over sand bed to protect cupola from initial charge of coke and to ignite fuel.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

512.666-010 FURNACE HELPER (nonfer. metal; smelt. & refin.)

    Assists FURNACE OPERATOR (nonfer. metal; smelt. & refin.) by performing any combination of following duties: Seals furnace opening with fire clay and firebrick, using paddle and shovel. Charges furnace with materials, such as scrap, ore, flux, reagents, slimes, oxides, pellets, or coke, by moving levers to open bin or hopper gates, by shoveling, or by signaling FURNACE CHARGER (nonfer. metal; smelt. & refin.) or OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to load furnace. Turns valves to force air through tuyeres into molten metal to oxidize impurities. Observes gauges and manipulates controls on panel to admit nitrogen to prevent igniting of magnesium. Stirs molten metal with green poles to prevent copper from oxidizing. Skims slag from molten metal, using bar, rabble, or ladle. Cleans slag from tuyeres to let air flow, using bar, hammer, or pneumatic drill. Signals OVERHEAD CRANE OPERATOR (any industry), or uses electric hoist, to position ladles or buckets near furnace, and moves levers to tilt furnace into pouring position. Scrapes and chips slag, solidified metal, furnace lining, and residue from furnace, using hammer, chisel, and scraper. Breaks condensers and defective retorts with sledgehammer for removal to crusher. Raps flues and dust catchers with bar to remove dust. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: H GED: R2 M1 L1 SVP: 2 DLU: 77

512.667-010 TEMPERATURE REGULATOR, PYROMETER (foundry) alternate titles: fire regulator

    Tests temperature of molten metal for conformance to pouring specifications, using optical or thermocouple pyrometers: Advises CUPOLA TENDER (foundry) or furnace operator when temperature reading varies from specifications. Records temperature reading on standard form.
GOE: 06.03.02 STRENGTH: L GED: R2 M2 L2 SVP: 2 DLU: 77

512.683-010 CHARGING-MACHINE OPERATOR (steel & rel.) alternate titles: charger; furnace-charging-machine operator; poker-in; pusher runner

    Controls charging machine to charge open-hearth furnaces with materials, such as limestone, pig iron, and metal scrap: Moves controls to engage arm of charging machine in slot of charging box. Pushes levers to position charging machine at door of furnace, to thrust box through door, and to rotate arm, dumping contents of box on furnace floor. Withdraws empty box, disengages arm, and moves to next furnace to repeat process. May charge furnace with molten metal and be designated Hot-Metal Charger (steel & rel.).
GOE: 06.02.10 STRENGTH: L GED: R3 M1 L1 SVP: 5 DLU: 77

512.684-010 SECOND HELPER (steel & rel.) alternate titles: open-hearth-furnace-operator helper

    Assists FIRST HELPER (steel & rel.) to melt and cast iron and steel in open-hearth furnaces: Cleans furnace tapholes, using scraper and oxygen lance. Closes furnace tapholes with pipe, chrome ore, dolomite, or magnesite to prevent loss of molten metal, and relines steel runners. Weighs additives, such as fluorspar, lime, and manganese, and trucks them to furnace areas. Shovels refractory materials into furnace. Assists crew in slagging or flushing furnace. Starts furnace by igniting gas, using torch. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: H GED: R2 M1 L1 SVP: 3 DLU: 77

512.684-014 FURNACE CHARGER (nonfer. metal; smelt. & refin.; steel & rel.) alternate titles: fettler

    Performs any combination of following tasks to charge smelting furnaces with aluminum scrap and ingots, and other nonferrous metals, as well as ore, coke, flux, and other materials: Moves levers to open and close furnace doors and to pour specified materials into furnace. Moves controls of charging machine to lift, insert, and dump materials into furnace, or shovels materials into furnace, using hood shovel. Draws samples of molten metal from furnace for laboratory analysis. Reviews laboratory report to determine that smelting is within specified standards, and computes types and amounts of materials to add to furnace to correct smelting, using calculator. Rakes dross or flux from furnace, using skimming tool. Maintains production records of materials charged into furnace. May weigh out specified amounts of materials to be charged into furnace, using scale. May operate industrial dump or lift truck to transport, hoist, and dump scrap or refined aluminum into charging machine or furnace. ay operate bucket loader to hoist, convey, and dump aluminum ore, coke, and flux into hopper of smelting furnace.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 78

512.685-010 FURNACE TENDER (foundry; nonfer. metal) alternate titles: remelt operator

    Tends furnace that remelts nonferrous alloyed metals used in diecasting process: Shovels specified proportions of scrap metal and ingots into furnace. Sprinkles fluxing compound on molten metal to bring impurities to surface. Skims slag from surface of molten metal, using hand strainer. May transfer molten metal from furnace to bull ladle, using hand ladle. May convey molten metal in bull ladle along overhead monorail, and pour metal into retainer of diecasting machine. May pour molten metal into sand molds, using power hoist. May clean furnaces and equipment.
GOE: 06.04.10 STRENGTH: H GED: R2 M1 L1 SVP: 3 DLU: 77

512.685-014 NOZZLE TENDER (nonfer. metal)

    Tends equipment that produces aluminum powder from molten aluminum: Installs ceramic tube in furnace and positions air nozzle and power collection duct as specified. Taps furnace to allow molten aluminum to flow through ceramic tube where it is transformed into powder by blast from air nozzle and blown into powder collection duct. Observes flow of metal and adjusts air nozzle to regulate fineness of powder. Sifts powder sample through series of sieves and weighs contents remaining in each sieve to estimate quantity of each grade of powder.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L2 SVP: 3 DLU: 77

512.685-018 POT TENDER (smelt. & refin.) alternate titles: pot puncher

    Tends battery of reduction pots that smelt aluminum oxide into aluminum: Adds specified amounts of oxide to pots from overhead hopper, at designated time intervals, and rakes oxide over crust formed by cooling of bath. Observes gas flames breaking through crust, and rakes oxide or pieces of crust over flames to prevent damage to anode. Watches warning lights and notes color of electrolyte (solution), and breaks up crust to add oxide to bath, using crowbar or pneumatic crust-breaking machine. Stirs bath to eliminate gas, using rake. Observes instruments and turns rheostat, or repositions anode in bath, to increase or decrease current flow and regulate temperature of solution. May train workers in operation of reduction pots.
GOE: 06.04.10 STRENGTH: M GED: R3 M1 L1 SVP: 3 DLU: 77

512.685-022 RECLAMATION KETTLE TENDER, METAL (smelt. & refin.)

    Tends melting kettle to remelt metal scrap, dross, and skimmings to recover lead, cadmium, zinc, or other nonferrous metals and cast it into pig molds for reuse: Charges kettle manually or using shovel or hoist. Ignites burner to melt and heat metal. Observes thermometer or color of molten metal and adjusts temperature control or turns valve to adjust fuel supply to obtain pour temperature. Stirs and skims molten metal, using bar and skimming tool. Drains, ladles, or pumps metal into molds.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

512.686-010 CUPOLA CHARGER (foundry) alternate titles: cupola stocker

    Charges scrap iron or pig iron, coke, and limestone (flux) into cupola in which iron is melted to make castings: Determines quantities and types of materials to be charged, following work orders or verbal instructions from CUPOLA TENDER (foundry). Shovels materials into wheelbarrow. Weighs net contents and wheels materials to charging door of cupola. Dumps iron, coke, and limestone through charging door so that charge in cupola is in alternate layers. May operate power-driven hopper, conveyor, or crane to transfer materials from storage bins to cupola. May weigh out materials or load materials from preweighed piles onto conveyor that charges cupola.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L2 SVP: 2 DLU: 77

512.687-010 CONDENSER SETTER (smelt. & refin.)

    Places condenser on plate supports in front of retort in zinc furnace to collect and condense zinc vapor created by heating ore in retort: Charges retort with mixture of ore and coal, using skip-loader. Lifts and positions condenser in front of retort, using tongs. Seals joint between retort and condenser by spreading finely ground and dampened mixture of coal and loam to prevent escape of zinc vapor. Banks mouth of condenser with mixture of coal and ore or waste material to prevent zinc from overflowing while allowing combustion gases to escape.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

512.687-014 THIRD HELPER (steel & rel.) alternate titles: open-hearth-furnace laborer

    Performs any combination of following duties involved in operation of open-hearth furnaces: Moves controls to open and close furnace doors. Removes molten metal in low spots or pockets of furnace floor, using $T3air lance.$T1 Shovels refractory materials onto furnace bottom. Transports additives from bins to furnace. Shovels additives into furnace and ladle. Cleans and reams furnace taphole and pries solidified metal from pouring spout, using reaming rod and bar. Sprays slag with water, using hose. Maintains tools and equipment required for furnace operations. Cleans charging floor and furnace areas.
GOE: 06.04.10 STRENGTH: H GED: R2 M1 L1 SVP: 3 DLU: 77

513 ROASTING OCCUPATIONS

    This group includes occupations concerned with heating ore and concentrates in calciners, furnaces, or kilns to remove moisture or to drive off impurities.

513.132-010 CONVERTER SUPERVISOR (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in operating converter furnaces to produce metallic copper from copper matte, or in mixing, roasting, or drying copper concentrate prior to smelting operation: Monitors processing to verify conformance to specifications. Inspects equipment to detect malfunctions or defects and assigns worker to make repairs or adjustments. Demonstrates operation and maintenance of machines and equipment to new workers, and explains plant layout, processing techniques, and safety regulations to orient new workers. May be designated according to operation supervised as Roaster Supervisor (smelt. & refin.). Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 6 DLU: 77

513.362-010 CALCINER OPERATOR (mine & quarry; smelt. & refin.)

    Controls calciners and allied equipment from instrumented panelboard to heat ore slurry, dry slurry, and drive off impurities: Monitors recording instruments, flowmeters, panel lights, and other indicators, and listens for warning signals on panel to operate calciner, conveyor system, and allied equipment. Turns screws and knobs on panelboard to control feed rate, temperature, and conveying of ore. Examines calcined ore to determine, by color, that it meets company specifications. Confers with other departments to adjust steam, water, and fuel supply, using telephone or radio. Confers with supervisor to report equipment failure or malfunction, and to resolve problems in process changes. Maintains record of steam, water, and fuel used during shift. Records process changes, malfunctions, and other actions in shift log and operator's sheet. Examines calciners and allied equipment, such as conveyor belts and chutes, blowers, pumps, compressors, and power lines, waterlines, and air lines, for wear or defects. Periodically cleans calciner, working as member of team, and using airhammer, water hose, pick, shovel, and wheelbarrow. When drying copper ore, may be designated Reactor Operator (smelt. & refin.).
GOE: 06.02.10 STRENGTH: L GED: R3 M2 L2 SVP: 6 DLU: 77

513.462-010 FURNACE OPERATOR (smelt. & refin.)

    Operates furnace to remove moisture, arsenic, or sulfur from ore: Charges top hearth of roaster with ore, regulating rate of charge by means of chute door. Determines speed with which roaster is being charged by weighing sample of charge ore obtained over measured interval of time. Starts rabbles (automatic rakes) that scrape hearth beds continually and move ore from one hearth to next lower one. Regulates draft and temperature of roaster by adjusting dampers and gas pressure. Replaces rabble arms by detaching arm from shaft with bar and removing it with hoist. Replaces defective rabble teeth. Directs workers in removing incrustations from hearth beds. Removes samples of roasted ore for laboratory analysis. May clean arms and rabbles with scrapers and iron bars. May determine oxide content of dried ore by titrating specified amount of flakes and calculating percentage. May replace defective parts and clean equipment.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

513.565-010 KILN OPERATOR (smelt. & refin.)

    Tends battery of rotary kilns in which hydrated alumina is calcined: Moves levers and switches to start kilns and regulate their speed. Adjusts controls to regulate temperature, pressure, and rate of flow of oil, gas, air, flue gases, and steam vapor. Directs DEWATERER OPERATOR (smelt. & refin.) in regulating flow of hydrated alumina into kilns. Turns valves to adjust water supply to cooler coils, kiln trunnions, and water-cooled bearings. Inspects kilns, carriages, and drive mechanisms for signs of faulty operation or overheating. Keeps log of operational data, such as air temperature and oil or gas pressure. May lubricate valves and adjust packing glands to prevent leaks. May tend air slides and bucket elevators to convey alumina to storage bins.
GOE: 06.02.10 STRENGTH: L GED: R3 M1 L2 SVP: 4 DLU: 77

513.587-010 KILN-OPERATOR HELPER (smelt. & refin.) alternate titles: calcination helper

    Assists KILN OPERATOR (smelt. & refin.) in calcining hydrated alumina in rotary kilns: Moves controls to direct flow of alumina through standby equipment. Lubricates valves with grease guns. Adjusts packing glands to prevent leaks, using handtools. Cleans coolers, using $T3air lance.$T1 Observes flow of alumina through kilns, inspects equipment, and reports defects or malfunctions to KILN OPERATOR (smelt. & refin.). Takes sample of alumina in bucket for laboratory analysis. Records weights of alumina stored. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

513.667-010 CALCINER-OPERATOR HELPER (mine & quarry; smelt. & refin.)

    Records machine and equipment readings in shift log at specified intervals, examines machines and equipment for malfunctions, and draws composite samples of ore at various stages of processing for laboratory testing: Reads gauges and records water and oil levels, temperatures, and pressures at specified intervals. Examines motors for leaks or hot bearings, conveyor belts for buildup or spillage, belt rollers for squeaks that indicate wear or belt misalignment, oil level in sight glasses, and exhaust fans for dirt and dust buildup. Turns handle to reposition filter on fluidizing blower. Dips sample of ore into bucket or jar at various stages of processing to collect composite sample for laboratory analysis. Notifies CALCINER OPERATOR (mine & quarry; smelt. & refin.) of machine and equipment malfunctions.
GOE: 06.04.10 STRENGTH: L GED: R3 M1 L1 SVP: 4 DLU: 77

513.682-010 ROTARY-KILN OPERATOR (smelt. & refin.)

    Operates rotary kiln in which cinnabar (mercuric sulfide ore) is volatilized to obtain free mercury: Ignites oil burner and turns fuel and air pressure valves to heat kiln to specified temperature. Sets controls to regulate conveyor speed and rotation of kiln. Observes gauges and flow of ore into kiln and turns controls to maintain temperature and amount of ore in kiln. Lubricates and repairs kiln and equipment.
GOE: 06.04.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

513.685-010 SINTER FEEDER (steel & rel.)

    Tends table-feeding equipment that regulates flow of finely ground iron ore, coke, and flue dust from storage bins onto sintering machine conveyors: Starts table feeder and conveyor and adjusts rheostats to regulate speed of vibrating feeders. Moves controls to regulate opening of feed gate according to rate of flow of material onto conveyor. Observes equipment to detect malfunctions. Clears clogged chutes or feed gates, using bar and shovel. Fills sample box with material on conveyor, weighs sample, and records weight. Reads weightometer scale and records weights of material being processed.
GOE: 06.04.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

514 POURING AND CASTING OCCUPATIONS

    This group includes occupations concerned with pouring, injecting, centrifuging, or pressing molten or powdered metal into a mold or other receptacle, and permitting or causing it to solidify.

514.130-010 PERMANENT-MOLD SUPERVISOR (foundry; nonfer. metal)

    Supervises and coordinates activities of workers engaged in producing nonferrous metal castings by permanent-mold process: Verifies setup of permanent-mold casting machines. Consults with LAY-OUT INSPECTOR (machine shop) 600.281-014 to check layout of castings and to determine cause of casting defects, such as core shift, mold shift, or pouring temperature. Initiates changes in mold and core alignment, pouring temperature, or timing cycle of casting machine to correct defects. Trains new workers in departmental or job procedures. May perform minor maintenance on permanent-mold casting machines. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.01.01 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 77

514.130-014 SUPERVISOR, DIE CASTING (foundry; smelt. & refin.)

    Supervises and coordinates activities of workers engaged in setting up and operating diecasting machines, applying knowledge of diecasting process and properties of molten metal: Reads work orders to determine type of diecasting machines to be used. Initiates changes in timing of casting cycle, lubrication of dies, cooking of dies, or spacing between dies to correct defects in castings. Trains new workers in job duties. May supervise operation of melting furnaces and trim presses. May adjust thermostats to control temperatures of molten metal. May set up diecasting machines for workers. May be required to have experience with specific materials or type of machine. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.01.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

514.131-010 INSPECTOR, CHIEF (foundry)

    Supervises and coordinates activities of workers engaged in inspecting and measuring metal castings: Lays out reference points on sample castings and verifies dimensions against blueprints [LAY-OUT INSPECTOR (machine shop) 600.281-014]. Inspects rejected castings for defects, such as blowholes, cracks, and rough spots, to determine repairs required to salvage castings. May weigh and count castings, and record inspection data on standard form. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 77

514.134-010 TAPPER SUPERVISOR (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in tapping molten aluminum from reduction pots: Inserts metal rod into pots and inspects coating deposited on rod to determine amount of metal to tap. Moves hand controls to raise and lower anode and to control voltage drop in pot during tapping. Records pot number on outside of crucible, using chalk. Performs other duties as described under SUPERVISOR (any industry) aster Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

514.137-010 SUPERVISOR, PIG-MACHINE (steel & rel.)

    Supervises and coordinates activities of workers engaged in casting molten iron into pigs, and in cleaning blast furnace area, pig machine, and slag pits. Coordinates movement of materials into and out of department. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: M GED: R4 M2 L3 SVP: 6 DLU: 77

514.137-014 SUPERVISOR, PIT-AND-AUXILIARIES (steel & rel.)

    Supervises and coordinates activities of workers engaged in preparing equipment for tapping furnace, teeming (pouring) molten steel in molds, and stripping and weighing ingots. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R3 M2 L3 SVP: 6 DLU: 77

514.360-010 DIE-CASTING-MACHINE SETTER (foundry)

    Sets up diecasting machines that cast parts, such as automobile trim, carburetor housings, and motor parts from nonferrous metals, such as zinc, aluminum, or magnesium: Lifts specified die sections into machine, using chain fall or hoist. Secures die sections in position and adjusts stroke of ram, using handtools. Connects water hoses to cooling system of die. Preheats die sections with torch or electric heater. Turns valves and sets dials to regulate flow of water circulating through die, timing cycle, and operating speed of machine, based on size and structure of part to be cast and type and temperature of metal being used. Starts machine to produce sample casting, and examines casting to verify setup. May clean diecasting machines, using high-pressure steam hose and detergent. May perform maintenance on machine or dies, such as replacing pipelines or hoses, lubricating machine, or replacing ejector pins in dies. May verify machine setups and adjust malfunctioning machines and be designated Die-Casting-Machine Maintainer (foundry). May dismantle dies for repair by DIE AKER, STAMPING (machine shop).
GOE: 06.01.02 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 77

514.362-010 PIG-MACHINE OPERATOR (steel & rel.) alternate titles: mold-car operator

    Operates pig machine to pour molten iron into molds to cast pig iron: Starts conveyor that positions mold under spout of pig-machine ladle. Moves controls to tilt ladle, allowing molten iron to flow into mold. Observes filling operation to detect sticking of molten iron to inside of molds, and signals LIME MIXER TENDER (steel & rel.) to spray additional lime on walls of molds. Performs maintenance, such as relining iron runners, repairing pig machine chains, and replacing broken molds, using handtools, bars, and jib crane.
GOE: 06.02.10 STRENGTH: H GED: R3 M2 L2 SVP: 5 DLU: 77

514.382-010 DIE-CASTING-MACHINE OPERATOR I (foundry)

    Sets up and operates diecasting machine to cast parts, such as automobile trim, carburetor housings, and motor parts from nonferrous metals, such as zinc, aluminum, or magnesium: Lifts specified die sections into machine, using chain fall or hoist. Bolts die section in position and adjusts stroke of ram, using handtools. Connects water hose to cooling system of die. Preheats die sections with torch or electric heater. Turns valves and sets dial to regulate flow of water circulating through die and to control speed of machine, based on size and structure of part being cast and type and temperature of metal being used. Blows metal fragments from die surfaces, using airhose, and brushes lubricant into die cavity and onto plunger. Hand ladles molten metal into chamber of machine when operating cold-chamber machine. Pushes button to close and lock dies and activate plunger that forces molten metal into die cavities. Removes casting after dies open automatically, using pliers or tongs. Inspects casting for defects. May inspect castings, using fixed gauges. May dip castings in water to cool them. May load metal ingots into melting furnace, and transfer molten metal to heated reservoir of diecasting machine, using hand ladle.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77

514.562-010 CENTRIFUGAL-CASTING-MACHINE OPERATOR III (foundry)

    Operates centrifugal casting machine to cast artillery barrels: Grinds rough spots from inside of mold with grinding wheel mounted on end of long rod. Fills pits on inside surface of mold with refractory material. Fits refractory stoppers into ends of mold. ounts pouring box, which serves as funnel for pouring melt from furnace into mold, on special frame at breech end of mold and fits spout of box through hole in stopper. Starts machine rotating at specified speed. Directs OVERHEAD CRANE OPERATOR (any industry) 921.663-010 in positioning portable furnace containing melt for pouring, and pushes electric controls to tilt furnace and pour melt into pouring box. Forces casting from mold, using hydraulic ram. Observes instruments and records data, such as temperature of mold before and after pouring and time required to complete pour. May operate machine from control board and be designated Casting-Machine-Control-Board Operator (foundry).
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 6 DLU: 77

514.567-010 MOLD WORKER (steel & rel.)

    Removes steel ingots from molds after casting, and prepares molds for additional castings: Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to lift mold, and knocks out ingot, using handtools and sledge. Marks casting code on ingot with paint or chalk. Examines mold and supporting plates for dirt, cracks, or breaks, and removes dirt and metal particles, using scraper, wire brush, and airhose. Mixes mold wash according to formula, and coats mold, using spray gun; or signals OVERHEAD CRANE OPERATOR (any industry) to dip mold in tar tank.
GOE: 06.04.32 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

514.582-010 VACUUM CASTER (foundry)

    Operates vacuum casting machine to produce molten metal and pour castings of high density: Removes ceramic mold from preheat oven, using tongs, and places it on lift in lower air lock of machine. Closes and clamps air-lock door. Inserts premeasured metal charge into upper air lock. Starts pumps to create specified vacuum in air locks. Pulls levers that cause ram to push charge into melting pot in vacuum chamber. Turns on current and adjusts temperature controls of furnace. Determines when molten metal is ready to pour by observing color through glass-covered opening, or by measuring temperature of molten metal with pyrometer. Moves controls that cause lift to raise mold from lower air lock to vacuum chamber. Pulls lever that causes furnace to invert and pour molten metal into mold.
GOE: 06.02.10 STRENGTH: M GED: R2 M1 L2 SVP: 5 DLU: 77

514.584-010 INGOT HEADER (nonfer. metal; smelt. & refin.) alternate titles: billet header; casting header; header

    Pours molten, nonferrous metals into solidifying ingots to compensate for shrinkage that occurs when ingots cool in their molds: Dumps specified amount of metal and flux into pot of gas- or oil-fired furnace. Reads temperature indicators and adjusts furnace flame to melt heading metal. Adds metal to molds to compensate for shrinkage, using ladle. Stencils identifying characters on top of solidified ingots, using special hammer tool. Opens mold and removes ingot, using tongs.
GOE: 06.04.10 STRENGTH: M GED: R3 M1 L1 SVP: 4 DLU: 77

514.662-010 CASTING OPERATOR (nonfer. metal)

    Controls pouring station in which aluminum and aluminum alloys are cast into ingots: Regulates flow of molten metal from ladle or directly from melting furnace into trough feeding casting molds of casting unit. Regulates flow of metal from trough into molds by adjusting screw valves at bottom of trough. Controls cooling conditions of casting unit by maintaining constant level of metal in molds and regulating series of valves to spray water against molds to produce ingots of uniform crystalline structure. Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to remove ingots.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77

514.664-010 CUPOLA TAPPER (foundry)

    Draws molten metal from cupola into ladles for pouring into molds to make castings: Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 or POURER, METAL (foundry) to place ladle under cupola spout. Withdraws bott (clay plug) from taphole, using long iron rod, and allows molten metal to flow into ladle. Inserts new plug on end of rod when ladle is full. Molds clay plugs by hand and affixes them to rods.
GOE: 06.04.10 STRENGTH: M GED: R2 M2 L2 SVP: 2 DLU: 77

514.664-014 TAPPER (nonfer. metal; smelt. & refin.)

    Taps refining furnaces or reduction pots by one of following methods to pour molten slag or nonferrous metal, such as copper or aluminum, into molds, crucibles, or ladles: (1) Punches clay plug from taphole, using steel rod, to allow molten metal to flow into molds. Molds clay plugs and inserts them into taphole to stop flow of metal, using rod, or builds clay-retaining wall over taphole. Chips or burns away solidified slag and metal from taphole, using chisel-edged bar, oxygen lance, or by short-circuiting current from $T3bus bar$T1 to taphole with steel rod. (2) Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to place pouring crucible near pot. Breaks hole in crust of electrolytic bath, using crowbar. Clamps siphon lid on crucible, and inserts other end of siphon into hole. Attaches airhose to siphon, and turns valve to siphon molten metal into crucible. Lowers anode into bath, using pulley to maintain its position beneath bath surface.
GOE: 06.04.10 STRENGTH: H GED: R2 M1 L1 SVP: 2 DLU: 77

514.667-010 CASTING-WHEEL-OPERATOR HELPER (smelt. & refin.)

    Removes castings from molds by performing any combination of following duties: Brushes and sprays empty molds with water and bone ash or clay to prevent castings from sticking to mold. Chips and removes surplus bone ash, using chipping hammer and vacuum hose. Turns valves to adjust water sprays to cool molds or to loosen and drop castings from inverted molds. Pries castings from molds, using bar. Attaches crane hooks to lugs and signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to lift casting from mold. May mix water, bone ash, or clay to specified consistency for coating molds.
GOE: 06.04.32 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

514.667-014 PIG-MACHINE-OPERATOR HELPER (steel & rel.)

    Assists PIG-MACHINE OPERATOR (steel & rel.) to cast pig iron: Observes pouring operations and signals PIG-MACHINE OPERATOR (steel & rel.) to stop flow of metal from ladle when molds overflow or mechanical malfunction occurs. Knocks pieces of iron and slag from ladle lips, pouring spout, or iron runners, using pole. Cleans slag and iron from pouring equipment and pig machine, using bars and sledges. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: H GED: R2 M1 L1 SVP: 3 DLU: 77

514.667-018 SPOUT WORKER (smelt. & refin.)

    Directs pouring of slag from ladle through spout into reverberatory furnace used for smelting: Raises furnace door, using lever or air hoist. Guides OVERHEAD CRANE OPERATOR (any industry) 921.663-010 by signal horn and lights in positioning ladle over spout and pouring slag. Sprays water on inner walls of spout to remove encrusted slag, or pries slag loose with iron bar. Shovels slag into car or furnace. Patches cracks in spout with moist clay, smoothing surface with hand or shovel. Scatters slurry of silica and clay evenly over inner surface of spout to decrease slag-crust during pouring operation. May guide DINKEY OPERATOR (any industry) into position over furnace, using hand signals. May record amount of slag dumped into furnace on analysis sheet.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

514.682-010 CASTING-WHEEL OPERATOR (smelt. & refin.) alternate titles: pourer

    Operates rotating casting wheel to pour molten nonferrous metal, such as copper, lead, or aluminum into molds to form ingots: Moves control lever to rotate wheel and position mold under pouring spout of kettle or furnace. Pulls lever to remove stopper from bottom of kettle or to tilt ladle to allow metal to flow into mold. Rotates wheel to spot successive molds under spout. Observes process to ensure that castings are dumped and that molds are returned to starting position. May spray empty molds with coating to prevent metal from sticking to mold [CASTING-WHEEL-OPERATOR HELPER (smelt. & refin.)]. May skim slag or dross from metal in furnace with rake or hoe [FURNACE HELPER (nonfer. metal; smelt. & refin.)]. May divert stream of metal into bucket, using hose, to obtain samples for laboratory. ay operate pump to force lead from kettle into mold. May skim impurities, using spatula or spoon, and solidify molten lead by regulating flow of water in water-cooled mold. May observe furnace gauge to verify that temperature of molten metal meets specifications. May change pouring spout, using chain hoist and handtools. May operate casting-wheel machine that advances molds automatically at predetermined rate.
GOE: 06.02.10 STRENGTH: L GED: R3 M2 L2 SVP: 4 DLU: 77

514.682-014 PRESS OPERATOR, CARBON BLOCKS (smelt. & refin.)

    Operates press that forms carbon paste into anodes used in metal-reduction pots: Pushes panel buttons to activate hopper, chain conveyor, cooling chamber belt, and power rolls. Turns valve to regulate flow of water to carbon cooling chamber. Observes signal light on hopper which indicates hopper is filled and paste is discharged into mold. Starts mechanical vibrator to pack mix in mold. Moves levers to synchronize rotation of index table with dropping of ram to press mix into blocks. Adjusts ram stroke to press carbon block to specified size, using wrench. Stops press when warning light indicates malfunction or when mold is overheated. Removes rejects from conveyor, using pneumatic ram.
GOE: 06.02.18 STRENGTH: L GED: R3 M1 L1 SVP: 4 DLU: 77

514.684-010 CASTER (smelt. & refin.) alternate titles: metal pourer

    Casts nonferrous metal into pigs and transports them to storage, using handtools and forklift: Secures hook to eye on bottom of crucible and signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to position crucible and pour metal into stationary molds. Turns handwheel and moves levers to regulate flow of metal from furnace into conveyor molds. Skims slag from surface of pigs into dross buggy, using dross hoe, metal rake, or carbon stick. Installs and changes stencils in automatic stenciler, or stamps identifying information on pigs with hammer and die. Removes pigs from mold, using crowbar, or sets pins and hooks chain for crane to lift pigs from molds. Shovels scrap metal into buggy for return to furnace. Moves pigs to storage area, using forklift. Inserts fire clay on end of rod into taphole to seal furnace.
GOE: 06.04.24 STRENGTH: M GED: R2 M1 L1 SVP: 4 DLU: 77

514.684-014 LADLE POURER (smelt. & refin.)

    Casts refined lead into molds moving along conveyor belt: Connects pipelines from kettle to ladle, and preheats pipes, valves, and ladle with gas burner to prevent hardening of metal. Controls flow of metal into ladle, and pours lead into molds by tilting ladle. Skims oxide from surface of metal in molds.
GOE: 06.04.32 STRENGTH: M GED: R2 M1 L1 SVP: 4 DLU: 77

514.684-018 NOZZLE-AND-SLEEVE WORKER (nonfer. metal)

    Removes, replaces, and adjusts nozzles and cylinders (sleeves) of diecasting machines: Disconnects and removes gooseneck (spout) from gooseneck machine, using wrenches, chain falls, and hoist. Knocks nozzle loose with bar and hammer. Drives replacement nozzle into gooseneck. Reinstalls gooseneck in metal pot, aligning nozzle with gate according to scale measurements. Removes plunger from sleeve of cold-shot machine, using wrenches, and pushes defective sleeve from machine. Installs new sleeve by inserting holding pin, making screw adjustments, and taking scale measurements. Periodically inspects nozzle and sleeve adjustments along machine line. Assists other workers in adjusting, installing, and removing diecasting machine nozzles and cylinders. Keeps records of sleeve and nozzle adjustments and replacements. May replace movable gooseneck setup with new parts.
GOE: 06.04.24 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

514.684-022 POURER, METAL (foundry) alternate titles: ladle handler

    Pours molten metal from ladle into molds to produce metal castings: Tilts ladle or opens pouring spout by turning handwheel or moving levers to pour metal into sand molds. Skims slag off molten metal, using strainer device, or tilts ladle to dump out slag. May move ladle from cupola or furnace to work station, manually or using overhead monorail or chain fall. May be designated according to type of ladle used as Pourer, Buggy Ladle (foundry); Pourer, Bull Ladle (foundry); Pourer, Crane Ladle (foundry); Pourer, Crucible (foundry).
GOE: 06.04.10 STRENGTH: H GED: R2 M1 L1 SVP: 2 DLU: 77

514.685-010 CENTRIFUGAL-CASTING-MACHINE OPERATOR I (foundry)

    Tends centrifugal casting machine that casts tubular metal products, such as pipes, brakedrums, or bushings: Lays specified mold on spinning mechanism. Brushes dirt and metal fragments from inside of mold. Places and fastens cover on ends of mold. Preheats mold with torch. Starts machine and sprays insulation on inside surface of rotating mold. Pours molten metal into mold, using hand ladle. Allows mold to spin for specified time to solidify metal against mold walls. Unfastens mold cover and removes casting, using tongs or hydraulic ram. May set machine controls to rotate mold at specified speed.
GOE: 06.04.10 STRENGTH: H GED: R3 M1 L1 SVP: 3 DLU: 77

514.685-014 CENTRIFUGAL-CASTING-MACHINE OPERATOR II (foundry)

    Tends one station on indexing-type centrifugal casting machine, performing any combination of following tasks involved in casting metal: Removes dirt and metal fragments from mold, using brush, water, or airhose. Fastens cover on end of mold. Starts mold rotating, and sprays insulation on inside surface of mold. Pours specified amount of metal into mold, using hand or crane ladle. Moves levers on tilting furnace to control flow of metal into pouring ladle. Removes cover on end of mold, and pulls casting from mold, using tongs. May be designated according to task performed as Dumper, Mold Cleaner (foundry); Puller (foundry); Sprayer (foundry).
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

514.685-018 DIE-CASTING-MACHINE OPERATOR II (foundry)

    Tends diecasting machine that casts parts, such as automobile trim, carburetor housings, and motor parts from nonferrous metals, such as zinc, aluminum, or magnesium: Turns valves to regulate flow of water circulating through dies. Blows metal fragments from die surfaces, using airhose, and brushes lubricant over die cavity and plunger. Ladles molten metal into chamber by hand when using cold chamber machine. Pushes button to close and lock dies and activate plunger that forces molten metal into die cavities. Removes casting after dies open automatically, using tongs or pliers. Inspects casting for defects, such as cracks or bubbles. May measure casting, using fixed gauges. May dip castings in water to cool. ay regulate speed of machine.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

514.685-022 LIME MIXER TENDER (steel & rel.)

    Tends mixing machine that mixes lime and water, and sprays mixture on interior of molds to prevent cast iron from sticking to molds: Shovels lime into mixing machine, starts machine, and opens valve to allow water to enter machine to obtain mixture of specified consistency. Cleans molds, using airhose. Starts pump of spray gun, and sprays molds. Observes coating on molds, and adjusts spray gun and consistency of mixture to obtain specified coating. Sprays water on molds containing molten iron to cool metal, using hose. Removes stuck pigs from molds, using bar.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

514.685-026 TUBE-CLEANING OPERATOR (foundry)

    Tends machine that extracts core pipe from interior of tubular castings: Strikes end of core pipe with sledge to loosen baked sand between casting and core pipe. Inserts end of core pipe through holding block and secures pipe between jaws set on dolly. Starts machine that pushes and pulls dolly along tracks, pulling out core pipe while casting strikes against holding block. Cleans casting, using airhose and wire brush.
GOE: 06.04.02 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

514.687-010 CASTING INSPECTOR (foundry) alternate titles: casting tester; final inspector; soft-iron inspector

    Inspects metal castings for dimensional accuracy and surface defects: Measures dimensions of casting, using fixed gauges. Examines casting for defects, such as cracks and blowholes. Separates and marks defective castings according to salvage operation required. May chip surplus metal from casting, using hammer and chisel. May tap casting with hammer to determine from sound if casting has been heattreated or to detect defects, such as cracks or thin walls.
GOE: 06.03.02 STRENGTH: L GED: R2 M2 L2 SVP: 3 DLU: 77

514.687-014 CASTING-HOUSE WORKER (nonfer. metal)

    Assists aluminum foundry workers by performing variety of manual tasks: Skims dross from furnaces. Loads handtrucks with ingots or sorted scrap. May sort and weigh metal, charge furnaces, and transport metal. May mark heat number on billets. May operate tier-lift truck to transport materials.
GOE: 06.04.24 STRENGTH: H GED: R2 M1 L1 SVP: 2 DLU: 77

514.687-018 CASTING-OPERATOR HELPER (nonfer. metal)

    Assists CASTING OPERATOR (nonfer. metal) in casting aluminum alloys into ingots: Places distributing trough between furnace taphole and mold. Positions baffle plates, screens, and control pins in trough, using handtools. Takes sample of molten metal for subsequent analysis. Skims dross off molten aluminum in holding furnace, using drag rake. Inserts thermocouple into mold and records temperature of ingot. Examines ingot for cracks, using reflectoscope. Stencils identification numbers on ingots. Hooks cable to ingot for removal by OVERHEAD CRANE OPERATOR (any industry) 921.663-010. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L2 SVP: 3 DLU: 77

515 CRUSHING AND GRINDING OCCUPATIONS

    This group includes occupations concerned with reducing ore or concentrate to granules, grits, powder, paste, or pulp, or otherwise changing it from larger to smaller particles by such means as compression, smashing, cutting, grinding, or any combination of these methods.

515.130-010 MILL SUPERVISOR (smelt. & refin.) alternate titles: supervisor, grinding; supervisor, ore dressing

    Supervises and coordinates activities of workers engaged in crushing, grinding, and concentrating ore preparatory to further processing or shipment: Observes meters, gauges, recording instruments, and operation of machines and equipment to detect malfunctions, faulty operation by worker, or need for repairs. Orders adjustments and repairs to restore machines and equipment to production specifications. Directs dismantling, and inspects parts to determine cause of malfunction or breakdown. Demonstrates and explains machine operation and processes to new workers. May determine time, duration, and sequence of utilizing ore from silos, and rates of extraction to attain blend of ore specified on work order. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

515.132-010 CRUSHER SUPERVISOR (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in transporting, crushing, and storing ore, skimmings, and other residue. Trains workers in operation of equipment. Performs duties as described under SUPERVISOR (any industry) aster Title.
GOE: 06.02.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

515.382-010 GRINDING-MILL OPERATOR (mine & quarry; smelt. & refin.)

    Operates panelboard to control machinery and equipment, such as conveyor belts, vibrating feeders, rod and ball mills, centrifugal separators, distributors, magnetic separators, and pumps, to grind ore and scrap metal and to separate iron particles from gangue: Sets and adjusts automatic controls on panel to regulate feed flow of conveyors, flow of lubricant to rod and ball mill bearings, and flow of water to mills and separators. Starts grinding and separating machinery and equipment. Observes lights, dials, and gauges, and turns levers or pushes buttons on panel to adjust operating conditions, such as temperature of mill bearings, amount of electric current flowing through mill drive motors, and rate of ore and scrap metal flowing from feeder conveyors. Records number of machinery breakdowns and repairs, number of rods and balls charged into mills, and amount of ore and scrap metal processed. May pass hand magnet over sludge to determine extent of separation of iron particles from gangue by magnetic separators.
GOE: 06.02.08 STRENGTH: L GED: R3 M2 L2 SVP: 6 DLU: 77

515.567-010 WEIGHER-AND-CRUSHER (smelt. & refin.)

    Weighs and crushes zinc ore and other materials, using platform scale, crusher, and handtools: Signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to lower loaded bucket of zinc ore onto platform scale. Balances scale beam. Records weight of materials and signals OVERHEAD CRANE OPERATOR (any industry) to dump them into crusher. Starts vibrating screens that crush ore and separate it according to size. Shovels unscreened ore back into crusher. Scoops samples of ore from conveyor belt for laboratory analysis. Opens bin gate to fill bucket with sintered ore. Levels ore in bucket, using bar and shovel. Signals OVERHEAD CRANE OPERATOR (any industry) to remove filled bucket and to replace it with empty one. Moves empty or filled buckets on cars about yard and plant, using power-driven winch.
GOE: 06.04.08 STRENGTH: M GED: R3 M1 L1 SVP: 4 DLU: 77

515.585-010 SCALE-RECLAMATION TENDER (smelt. & refin.)

    Tends conveying and grinding equipment that reclaims aluminum-hydrate scale: Moves controls to regulate conveyor flow of hydrate scale to hammer mill and rodmill. Turns valves to add plant liquor to rodmill to maintain specified slurry density. Clears hoppers, pan feeders, and conveying equipment of accumulated materials, using bar, hammer, or shovel. Cleans conveyors, idlers, and pulleys, using scrapers and cleaning tools. Turns valves and starts pumps to switch product flow through auxiliary units. Catches product samples. Keeps operating log. Lubricates valves and adjusts packing glands to prevent leaks.
GOE: 06.04.10 STRENGTH: M GED: R3 M1 L1 SVP: 4 DLU: 77

515.685-010 BATCH MAKER (nonfer. metal; steel & rel.)

    Tends equipment that mills and recovers powdered metal used in powder metallurgy: Pours specified amount of powder into ball mill. Screws covers on drum and straps drum to ball mill machine rack. Starts motor that rotates drum to grind powder by tumbling action of metal balls. Inserts filter bag and sieve in centrifuge drum. Opens water valve to flush milled powder from mill through sieve and filter bag into centrifuge. Starts centrifuge that separates water from powder. Pours extracted powder into trays for drying. Charges ball mill with additional balls as specified.
GOE: 06.04.10 STRENGTH: L GED: R2 M1 L1 SVP: 2 DLU: 77

515.685-014 CRUSHER TENDER (smelt. & refin.) alternate titles: ore crusher

    Tends machine that breaks ore, skimmings, furnace residue, clay pieces, pot-room butts, or green carbon scrap into smaller sizes for further processing: Starts crusher. Regulates flow of materials into crusher from conveyors, chutes, or bins. Prods large lumps with bar to force them through crusher. Breaks oversize lumps with sledgehammer. aintains uniform flow of crushed materials to screens or roll crushers for further sizing by controlling movement of conveyor belt or feeder. Cleans, lubricates, and makes minor repairs to crusher. May remove scrap wood or iron by hand or with an electromagnet. May operate vibrating screens to separate materials within size ranges. May select samples of materials, using shovel or mechanical sampler. May tend control panel to monitor crushing machines that clean anode assemblies and be designated Anode-Assembly Cleaner (smelt. & refin.) I.
GOE: 06.04.08 STRENGTH: M GED: R3 M1 L1 SVP: 3 DLU: 77

515.685-018 STAMPING-MILL TENDER (smelt. & refin.)

    Tends stamping mills that crush ore to specified fineness: Turns valve to regulate flow of ore and water over plates beneath stamps. Examines crushed ore at outflow of mill to determine degree of fineness. Adjusts raising and dropping sequence of stamps. Replaces broken stamps, plates, and shafts.
GOE: 06.04.02 STRENGTH: L GED: R2 M1 L1 SVP: 3 DLU: 77

515.686-010 BATTERY-WRECKER OPERATOR (nonfer. metal)

    Loads conveyor of battery-crushing machine: Lifts batteries from stockpile. Loads conveyor of machine that crushes batteries and separates plastic, metal, and lead-bearing acid. Listens for machine jams and other malfunctions. Dislodges jams, using metal bar or air compressor. Notifies designated worker of major malfunctions. May operate industrial truck to move pallets of batteries from storage area to work area.
GOE: 06.04.40 STRENGTH: V GED: R2 M1 L1 SVP: 2 DLU: 86

515.687-010 HAMMER-MILL OPERATOR (smelt. & refin.) alternate titles: shredder operator

    Prepares iron and steel machine-tool cuttings for use in making ferrosilicon by selecting scraps of desired thickness and breaking them up in hammer mill.
GOE: 06.04.24 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

518 MOLDERS, COREMAKERS, AND RELATED OCCUPATIONS

    This group includes occupations concerned with making molds or cores to be used in casting metal in foundries.

518.361-010 MOLDER (aircraft mfg.; concrete prod.; foundry) alternate titles: sand molder

    Forms sand molds to fabricate metal castings, using patterns or match plates, flasks, handtools and power tools, following instructions and applying knowledge of variables, such as metal characteristics, molding sand, pattern contours, and pouring procedures: Places flask and drag onto $T3molding board$T1 and positions pattern inside drag. Sprinkles or sprays parting agent onto pattern and flask, to facilitate removal of pattern from mold, and positions reinforcing wire in flask. Sifts sand over pattern, using riddle, and compacts sand around pattern contours. Shovels and packs sand into flask, using hand or pneumatic ramming tools. Inverts drag, positions cope half of pattern and flask onto drag, and repeats sand molding operation to imbed pattern into cope. Lifts cope from drag and removes pattern. Cuts runner and sprue hole into mold and repairs damaged impressions, using handtools, such as slick, trowel, spoon, and sprue cutter. Positions specified cores into drag and reassembles cope and drag. Moves and positions workpieces, such as flasks, patterns, and bottom boards, using overhead crane, or signals OVERHEAD CRANE OPERATOR (any industry) 921.663-010 to move and position workpieces. Pours molten metal into mold, manually or using crane ladle, or directs POURER, METAL (foundry) 514.684-022 to fill mold. May form and assemble slab cores around pattern to reinforce mold, using handtools and glue. May operate ovens or furnaces to melt, skim, and flux metal. May form molds at bench and be designated Molder, Bench (concrete prod.; foundry) or form molds on floor and be designated Molder, Floor (foundry).
GOE: 06.01.04 STRENGTH: M GED: R4 M3 L3 SVP: 6 DLU: 87

518.361-014 MOLDER APPRENTICE (aircraft mfg.; concrete prod.; foundry) alternate titles: sand-molder apprentice

    Performs duties as described under APPRENTICE (any industry) Master Title.
GOE: 06.01.04 STRENGTH: M GED: R4 M3 L3 SVP: 6 DLU: 77

518.361-018 MOLDER, SWEEP (foundry) alternate titles: floor molder, sweep method

    Makes molds, using sweep method which is adaptable only in cases where required casting is symmetrical: Assembles drag, flask, bottom plate, and spindle (projects through center of flask). Shovel sand into flask, and compacts it by hand ramming. Attaches sweep (board with bottom edge cut to shape corresponding to casting surface) and rotates it about spindle, until mold impression (usually convex) is swept (scraped) to desired shape. Places cope flask on drag, and shovels and compacts sand over drag mold which serves as pattern for cope mold. Removes cope mold. Scrapes drag mold with smaller sweep to reduce size of mold. Smooths and shapes mold surface, using slick and trowel. Assembles mold sections for pouring. When making parts of large floor or pit mold, usually rectangular in shape, with sides parallel and same impressions running full length of part of mold, draws sweep back and forth along guides to scrape out desired impressions.
GOE: 06.01.04 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 77

518.380-010 SETTER, MOLDING-AND-COREMAKING MACHINES (foundry) alternate titles: pattern setter

    Sets up and adjusts molding and coremaking machines, such as roll-over, squeeze, coremaking, and shell molding: Obtains specified pattern, moves pattern to work station manually or using hoist, and bolts it to bed of mold or core forming machine, using wrenches. Adjusts stops, height of squeeze or roll-over mechanism, and height of sand hopper according to size of pattern or core, using handtools. Adjusts timing cycle of machines to specified settings. Replaces worn parts, such as air lines, gaslines, gaskets, and core box vents, using handtools.
GOE: 06.01.02 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

518.381-010 BENCH-MOLDER APPRENTICE (jewelry-silver.) alternate titles: sand-caster apprentice

    Performs duties as described under APPRENTICE (any industry) Master Title.
GOE: 06.01.04 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

518.381-014 COREMAKER (foundry) alternate titles: coremaker, experimental

    Makes sand cores used in molds to form holes or hollows in metal castings: Cleans core box with blast of compressed air. Dusts parting sand over inside of core box to facilitate removal of finished core. Partially fills core box with sand by pulling cord that releases sand from overhead chute or by using hands or shovel. Compacts sand in core box, using hands, hand rammer, and air rammer. Bends reinforcing wires by hand, and inserts them in sand. Fills core box and rams sand in tightly. Inverts core box onto metal plate, and lifts box from sand core. Patches cracked or chipped places on core and smooths core surfaces, using spoon and trowel. May bake cores to harden them. May assemble cores. May work at bench making small cores and be designated Coremaker, Bench (foundry); or make large cores on floor of foundry and be designated Coremaker, Floor (foundry).
GOE: 06.01.04 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77

518.381-018 COREMAKER APPRENTICE (foundry)

    Performs duties as described under APPRENTICE (any industry) Master Title.
GOE: 06.01.04 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77

518.381-022 MOLDER, BENCH (jewelry-silver.) alternate titles: sand caster

    Casts metal molds to form jewelry articles: Forms plaster mold of model. Builds sand mold in flask, using plaster mold as pattern. Places flask in furnace or heats flask with blowtorch to dry and harden sand mold. Removes plaster mold from flask. elts metal in crucible or furnace, and pours molten metal into channel of sand mold to cast metal mold. Opens flask and removes metal mold when metal has hardened, using pliers or tongs.
GOE: 06.01.04 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

518.484-010 PLASTER MOLDER II (foundry)

    Forms plaster molds, used to make metal castings, using molder's handtools, patterns, and flasks: Mixes plaster powder and water according to specified formula. Places cope and drag on molding table. Places drag half of pattern in drag. Pours liquid plaster into drag, removes excess plaster, using straightedge, and allows mold to harden. Assembles cope half of pattern to drag half of pattern in mold. Places cope on drag and makes depressions in plaster around drag pattern to ensure accurate joining of mold halves for casting. Brushes parting agent on surfaces of mold, pattern, and flask, and pours liquid plaster into cope. Separates cope and drag after specified time and removes pattern. Repairs cracks and broken edges of mold, using molder's handtools, such as spoon, trowel, and slick. May cut gates and risers in mold after mold is baked. May position cores in drag and assemble mold. May pour molten metal into molds, using hand ladle. Makes plaster cores by pouring plaster in core box and clamping box shut. May cast plaster molds from rubber molds, spraying parting agent on mold face and pouring plaster into drag and cope.
GOE: 06.02.30 STRENGTH: M GED: R3 M1 L2 SVP: 4 DLU: 77

518.664-010 MOLD MAKER (smelt. & refin.)

    Forms molds used in casting copper: Assembles metal casting frame on flat car, using wrench. Seals frame with fire clay, using trowel, and sprays interior of frame and core with bone ash to prevent adherence of molten metal to core. Pushes car under pouring spout of ladle. Moves lever to tilt ladle of molten copper and fill frame to indicated level. Pulls lever to lower core, attached to hydraulic press ram, to imbed core in molten copper. Turns valve to circulate water through core to solidify copper. Withdraws core when mold cools, dismantles frame, and removes mold.
GOE: 06.04.32 STRENGTH: M GED: R2 M1 L2 SVP: 4 DLU: 77

518.682-010 MACHINE MOLDER (foundry) alternate titles: machine line molder

    Operates molding machine to form sand molds used in production of metal castings: Assembles flask, pattern, and $T3follow board$T1 on molding table of machine. Sifts sand over pattern, using riddle, and fills flask with sand by opening hopper or using shovel. Packs sand around pattern contours, using ramming tool or pneumatic hammer. Starts machine that compacts sand in flask to form mold. Cuts pouring spout and vents in mold, using sprue cutter and wire. Lifts cope half of flask off drag half and removes pattern. Cleans cavity of mold, using airhose. Positions cores in drag, and assembles cope and drag. May set cores in mold cavity. May install pattern on bed of machine, and adjust pressure of ram. May be designated by machine operated as Machine Molder, Roll-Over (foundry); Machine Molder, Squeeze (foundry); or product molded as Molder, Fitting (foundry).
GOE: 06.04.32 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

518.683-010 SAND-SLINGER OPERATOR (foundry)

    Controls sand-slinging machine to pack sand in mold flask: Engages controls to move machine along tracks and to position impeller head over flask. Starts machine, and moves controls to guide impeller head back and forth to direct flow of sand into flask. Cleans and oils machine. May replace worn parts in impeller head, using handtools.
GOE: 06.04.08 STRENGTH: L GED: R2 M1 L1 SVP: 3 DLU: 77

518.684-010 CORE SETTER (foundry)

    Positions cores in drag of sand mold. Examines mold and cores for defects, such as cracks and broken surfaces, before mold is closed. Verifies spacing between mold and cores, using gauges. May assist in closing mold. May operate hoist to move and position large cores. May assemble groups of cores in fixture of automatic core-setting machine.
GOE: 06.04.32 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

518.684-014 COREMAKER, PIPE (foundry)

    Makes clay cores around which ferrous and nonferrous pipe is cast: Clamps rod in bench vises so that it can be rotated. Wraps rod with paper, straw, or jute, tying it firmly in place with twine. Mixes mud, sand, and loam to form clay. Spreads clay over wrapping, adding molasses to make mixture cohesive and working coating by hand so that it is smooth and even. Spreads core blacking over core and places it in drying oven for specified time. Removes dried core and applies second coating to bring core to specified diameter. Spreads blacking on core and returns it to oven for final drying.
GOE: 06.04.32 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

518.684-018 MOLD CLOSER (foundry) alternate titles: core mounter; core setter; finish molder; flask fitter; mold finisher

    Cleans and assembles foundry molds to prepare them for pouring: Cleans inside surface of sand molds with airhose. Positions cores in drags. Thrusts rod into ventholes to remove obstructions. Fits and clamps cope and drag together to form flask. Places runner cup over pouring hole. May patch and smooth damaged portions of mold, using spoon or trowel. May assist in pouring metal into molds. May remove castings from molds.
GOE: 06.04.32 STRENGTH: H GED: R2 M1 L1 SVP: 3 DLU: 77

518.684-022 WAX-PATTERN ASSEMBLER (foundry)

    Assembles wax components of patterns used in lost-wax casting process: Melts edges of wax components, using heated knife, and manually positions and joins components. Repairs surface defects of patterns, such as holes and indentions, and smooths and seals joints, using wax and heated knife.
GOE: 06.02.24 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

518.684-026 WAX-PATTERN REPAIRER (foundry) alternate titles: inspector

    Repairs wax patterns used in lost-wax casting process: Inspects patterns for defects, such as cracks, seams, broken edges, and excess wax. Seals cracks, seams, and joints, removes excess wax, and builds up damaged edges, using wax and heated knife.
GOE: 06.02.24 STRENGTH: L GED: R2 M1 L1 SVP: 2 DLU: 77

518.685-010 CORE-OVEN TENDER (foundry)

    Tends baking oven that hardens and strengthens green sand cores used in casting metal: Loads cores on racks, trays, or carts, and pushes them into oven. Lights gas- or oil-fired furnace and turns valves to obtain specified temperature; or sets thermostat and closes switch to heat element in electric furnace. Closes oven door and allows cores to bake for specified time. Opens oven door and removes cores. May adjust baffle plates that direct flow of heat in oven.
GOE: 06.04.17 STRENGTH: M GED: R2 M1 L2 SVP: 2 DLU: 77

518.685-014 COREMAKER, MACHINE I (foundry) alternate titles: core stripper

    Tends turnover draw-type coremaking machine that makes sand cores for use in casting metal: Clamps core box over die on front table of machine, and partly fills core box with sand from overhead chute, or by using hands or shovel. Depresses pedal to open compressed-air valve that causes table to rise and fall with series of jolts, to compress sand in box. Positions reinforcing wires in sand, fills box with sand, and repeats jolting. Tamps sand into core box with hand or pneumatic tool. Removes excess sand from top of core box with hands or straightedge and clamps metal plate to top of box. Pulls lever to roll front table over and deposit box top down on rear table. Pushes rear table down to withdraw core from core box and lifts core from machine.
GOE: 06.04.08 STRENGTH: M GED: R2 M1 L2 SVP: 3 DLU: 77

518.685-018 COREMAKER, MACHINE II (foundry) alternate titles: tube coremaker

    Tends conveyor-screw coremaking machine that extrudes sand cores having uniform cross section: Installs specified core tube and conveyor screw in machine, using handtools. Shovels sand into hopper, and tamps it down by hand. Positions core plate at opening of core tube, and starts motor-driven or hand-operated conveyor screw which forces sand through core tube and onto core plate. Cuts core at core tube opening when core fills plate. May tend oven to bake cores. Cuts baked cores to specified lengths with saw.
GOE: 06.04.08 STRENGTH: M GED: R2 M1 L2 SVP: 2 DLU: 77

518.685-022 COREMAKER, MACHINE III (foundry) alternate titles: core-blower operator

    Tends blower-type coremaking machine to produce sand cores: Removes sand and particles of dirt from pattern with compressed air or brush. Places core box over pattern on bed of machine. Pulls lever or depresses pedal to blow and compact sand in core box. Places plate or drier on top of core box and turns box over. Lifts core box from core and lifts core from machine. May position reinforcing wires in core box before blowing in sand. ay perform only one of above operations on revolving, multiple station, blower-type coremaking machine. May tend automatic blower-type coremaking machine and clean, glue, and rack cores as they are ejected from machine. May tend machine equipped with double core box and glue and clean cores from one box while machine forms and cures cores in other core box.
GOE: 06.04.08 STRENGTH: M GED: R2 M1 L2 SVP: 2 DLU: 77

518.685-026 SHELL MOLDER (foundry)

    Tends machine that makes shell molds used to produce metal castings: Starts machine that automatically forms and cures shell. Strips cured shell halves from machine and positions shell half on fixture of mold-closing machine. Brushes glue around edges of shell half. Positions remaining shell half on top of lower half and activates ram that exerts pressure on shell until glue has set. May glue and assemble shell halves by hand. May clamp, wire, or bolt shell halves together. May bolt pattern and core box to bed of machine. May produce cores on shell making machine and be designated Shell Coremaker (foundry).
GOE: 06.04.17 STRENGTH: H GED: R2 M1 L2 SVP: 2 DLU: 77

518.685-030 SHELL-MOLD-BONDING-MACHINE OPERATOR (foundry) alternate titles: bonder; bonding-machine operator; shell mold bonder

    Tends machine that bonds cope and drag together to form completed shell mold: Turns dials of shell-mold bonding machine to heat upper pressure plate and set pressure stroke of ram as specified. Positions drag onto lower pressure plate of machine. Fills vibrator pan with bonding agent, and pushes button to sift bonding agent onto edge of drag. Positions cope on drag, and pushes button or pulls lever which pushes hot plate onto cope to heat and compress cope to drag. Knocks out sprue holes with iron rod. Directs airhose onto mold to blow out loose sand. May tend machine that automatically releases pressure after specified period of time. May assemble cores to drag and cope.
GOE: 06.04.08 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

518.687-010 CORE CHECKER (foundry) alternate titles: core inspector

    Verifies dimensions and shapes of cores for conformance to specifications, using straightedge, gauges, and calipers: Places cores in fixtures, manually or using hoist. Moves straightedge along surface of cores to verify contours. Verifies dimensions, using gauges and calipers. Records tally of inspections on standard forms. May file high spots from cores. May repair defects, such as cracks and broken edges. May clean flask from cores, using wire scrapers or files. May inspect molds and be designated Mold Checker (foundry).
GOE: 06.03.02 STRENGTH: L GED: R2 M2 L2 SVP: 3 DLU: 77

518.687-014 FOUNDRY LABORER, COREROOM (foundry) alternate titles: core fitter; coremaker helper; core paster

    Performs any combination of following tasks involved in coremaking: Pastes core sections together to form completed core. Brushes, dips, or sprays solution, such as graphite, on cores to produce smooth finish. Carries and loads cores into oven. Piles cores on racks for drying. Carries sand to coreroom. Forms core reinforcing rods and wires into specified shape by hand or by machine. Pulls wires and rods from finished castings, using pliers, hammer and chisel, and special hooks. Dresses cores, using handtools or power tools, such as files, scrapers, and grinding wheel. May fill cracks in surface of core with putty or patching sand, using putty knife.
GOE: 06.04.32 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

518.687-018 MOLD-MAKER HELPER (smelt. & refin.)

    Assists MOLD MAKER (smelt. & refin.) in forming molds used in casting copper: Measures and marks pouring level on insides of mold to obtain castings of specified weights, using rules or gauges. Sprays inner surface of iron plugs with lampblack to prevent copper from adhering to them. Fastens plug in bottom of mold with locking pin. Sprays molds with steam or hot water to heat them to specified casting temperature. Cleans splashed copper from mold car, using hammer and chisel. Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.32 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77

518.687-022 WAX-PATTERN COATER (foundry) alternate titles: dipper

    Covers wax foundry patterns with coating compound to form shell mold used in lost-wax casting process: Dips pattern in suspension of silica sand and chemical binder. Coats pattern by sifting materials, such as sand or aluminum oxide, onto pattern; or places patterns in tumbling barrel, containing short fibers, to strengthen coating. Repeats coatings as specified to form shell. Examines pattern for evenness of coating. Places coated pattern clusters on cart and pushes cart into drying room, or places shell molds on conveyor of tunnel oven to dry mold interiors. May place patterns in steam-pressure vessel to melt pattern wax from shell.
GOE: 06.04.32 STRENGTH: M GED: R2 M1 L1 SVP: 2 DLU: 77

519 ORE REFINING AND FOUNDRY OCCUPATIONS, N.E.C.

    This group includes occupations, not elsewhere classified, concerned with refining ore, ore concentrate, pig, or scrap metal, and casting metal in foundries.

519.130-010 CELL-FEED-DEPARTMENT SUPERVISOR (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in concentrating, flaking, and drying magnesium chloride preparatory to obtaining magnesium by electrolysis. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

519.130-014 SAMPLER, HEAD (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in crushing, drying, screening, and testing samples of ores preparatory to assaying them. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

519.130-018 SUPERVISOR, LEAD REFINERY (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in refining lead, casting it into ingots, and preparing ingots for shipment. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.01.01 STRENGTH: L GED: R4 M3 L3 SVP: 8 DLU: 77

519.130-022 SUPERVISOR, REVERBERATORY FURNACE (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in operating reverberatory furnaces and casting machines to smelt and cast copper: Observes gauges and color of flames in furnace and adjusts valves to ensure combustion of fuels. Regulates furnace dampers to maintain specified temperatures. Observes color and surface characteristics of bath to determine pouring temperatures and oxygen content of copper. Inspects operation of casting wheels to ensure uniform product. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 8 DLU: 77

519.130-026 SUPERVISOR, SINTERING PLANT (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in moving, mixing, sintering, and crushing ore concentrates to remove impurities preparatory to smelting process. May supervise workers engaged in calcining phosphate rock and be designated Supervisor, Calcining (smelt. & refin.). Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: L GED: R4 M3 L3 SVP: 8 DLU: 77

519.130-030 SUPERVISOR, URANIUM PROCESSING (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in processing uranium ore to recover uranium oxide. Trains workers in setup and operation of equipment. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.01.01 STRENGTH: L GED: R4 M3 L3 SVP: 8 DLU: 77

519.131-010 FOUNDRY SUPERVISOR (foundry)

    Supervises and coordinates activities of workers engaged in making cores and molds, in charging, operating, and tapping furnaces, in pouring molten metal into molds, and in chipping, grinding, and sandblasting castings: Examines materials and products at various stages of processing for conformance to specifications. Observes machines and equipment for malfunction and orders adjustments or repairs, or directs workers to make adjustments or repairs. Trains workers in foundry processes and in operation of machines and equipment. Performs other duties as described under SUPERVISOR (any industry) Master Title. ay be designated according to part of process supervised as Casting Supervisor (foundry); Coremaking Supervisor (foundry); Cupola-Melting Supervisor (foundry); Finishing Supervisor (foundry); Mold-Making Supervisor (foundry); Shell-Core-And-Molding Supervisor (foundry); Wax-Room Supervisor (foundry).
GOE: 06.01.01 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 77

519.131-014 MILL-LABOR SUPERVISOR (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in maintaining ball mills, classifiers, flotation machines, and other ore-dressing equipment, and in cleaning offices, rest rooms, and work areas. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

519.132-010 SUPERVISOR, BLAST FURNACE (steel & rel.) alternate titles: blower, blast furnace

    Supervises and coordinates activities of workers engaged in operation of blast furnace to produce molten pig iron: Directs workers in charging furnace with specified amounts of raw materials, such as iron ore, coke, and limestone. Observes color of molten metal through tuyeres, or reads pyrometer and orders changes in furnace temperature and pressure. Estimates amounts of ferrosilicon, manganese, and phosphorous to add to molten metal to obtain specified type of pig iron. Directs workers in flushing and tapping furnace and in positioning ladles to receive molten metal. Observes color of molten metal flowing in runners during casting operations to determine quality of iron. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 6 DLU: 77

519.132-014 SUPERVISOR, BLAST-FURNACE-AUXILIARIES (steel & rel.)

    Supervises and coordinates activities of workers engaged in unloading, crushing, screening, blending, and sintering iron ore. Directs workers in stockpiling materials, such as sinter cake, manganese, and limestone for blast furnace operations. Trains workers in operation of equipment. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 6 DLU: 77

519.132-018 SUPERVISOR, CELL OPERATION (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in electrolytic refining of magnesium and in making hydrochloric acid from chlorine freed during refining process. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.02.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

519.132-022 SUPERVISOR, SOLDER MAKING (nonfer. metal)

    Supervises and coordinates activities of workers engaged in refining scrap solder and tin and lead alloy with refined scrap to make solder: Directs workers in weighing tin, lead, and scrap solder and in refining operations. Molds and weighs test piece to compute ratio of tin and lead in refined metal. Computes amounts of tin, lead, and refined solder to be used in making solder according to formula. Directs workers in melting and mixing metals in melting pot, molding solder, weighing, recording weights, and packing. Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 6 DLU: 77

519.134-010 POT-LINING SUPERVISOR (smelt. & refin.)

    Supervises and coordinates activities of workers engaged in relining aluminum-reduction pots with carbon paste to form cathode. Inspects work to verify conformance to standards. Trains new workers in job duties. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

519.137-010 SUPERVISOR, MOLD YARD (steel & rel.)

    Supervises and coordinates activities of workers engaged in cleaning and coating molds used to cast steel ingots, and in relining and repairing mold covers (hot tops). Performs other duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77

519.137-014 SUPERVISOR, SCRAP PREPARATION (steel & rel.)

    Supervises and coordinates activities of workers engaged in various duties, such as unloading scrap material from cars, sorting different grades of scrap into piles, burning or shearing scrap to charging-box size, and handling and storing ingots. Performs duties as described under SUPERVISOR (any industry) Master Title.
GOE: 06.04.01 STRENGTH: M GED: R4 M3 L3 SVP: 6 DLU: 77

519.362-010 NICKEL-PLANT OPERATOR (smelt. & refin.)

    Controls electrolysis tanks to purify electrolyte used in copper refining by removing copper, arsenic, and nickel: Places lead anodes and copper cathode starting sheets in tanks and turns valves to fill tanks with impure electrolyte. Switches on current and starts circulation pumps to remove copper from solution and deposit it onto cathode. Pumps solution into high-voltage tank system to deposit arsenic on cathodes. Pumps electrolyte from high-voltage tanks into evaporators that concentrate solution to specified specific gravity. Turns valves to drain condensed solution into settling tanks and to recover acid after nickel sulfate has settled.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 6 DLU: 77

519.362-014 TANK-HOUSE OPERATOR (smelt. & refin.)

    Controls equipment to purify copper by electrorefining: Signals MONORAIL CRANE OPERATOR (any industry) to lower impure copper anodes into tank filled with electrolyte. Immerses copper starter sheets (cathodes) into tank. Passes steel rod between electrodes to break off lumps which might cause short circuit and to verify specified clearance between electrodes. Examines, cleans, and tightens electrical connections, using steel wool and handtools. Turns on electrical current, and verifies voltage, using voltmeter. Measures density of electrolyte, using hydrometer. Observes deposition of copper on cathodes, and signals ONORAIL CRANE OPERATOR (any industry) to remove coated cathodes and depleted anodes from tank after specified time. Inspects tanks for defects, such as loose connections, leaks, deteriorated suspension bars and fittings, clogged floats, and drainage connections. Repairs or replaces parts, or notifies maintenance department. May cover lead sheets with primary coat of copper to make cathodes and be designated Starting-Sheet-Tank Operator (smelt. & refin.). May operate equipment that purifies copper through electrolysis without anodes and be designated Electro-Winning Operator (smelt. & refin.).
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 6 DLU: 77

519.387-010 MANOMETER TECHNICIAN (smelt. & refin.)

    Tests pulverized material and computes specific gravity, using manometer tube: Collects mill samples, weighs specified amount of pulverized material, and pours it into cylinder and taps powder into compact mass. Raises mercury level in left side of manometer tube by pumping air into right side, using hand pump. Inserts cylinder of pulverized material into top of left tube. Releases air pressure from right side and times drop of mercury level in left side, using stopwatch. Computes specific surface of material, using standard algebraic formula. Reports below-standard reading to mill operator. May test milled sample of aluminum alloy to identify metals in sample and be designated Quantometer Operator (smelt. & refin.).
GOE: 06.03.01 STRENGTH: L GED: R3 M2 L2 SVP: 3 DLU: 77

519.484-010 CARNALLITE-PLANT OPERATOR (smelt. & refin.)

    Mixes ingredients to prepare carnallite flux used in refining magnesium: Weighs carnallite ingredients according to formula. Mixes ingredients on concrete floor, using shovel. Melts mixture in furnace crucible. Tilts furnace with handwheel to pour molten carnallite into cooling pans. Pulverizes solidified carnallite in grinding mill and shovels powder into metal drums.
GOE: 06.02.18 STRENGTH: M GED: R2 M1 L2 SVP: 4 DLU: 77

519.484-014 RAW SAMPLER (smelt. & refin.) alternate titles: sample carrier

    Collects and prepares laboratory samples of metal-bearing ores, refined metals, and other materials, such as coke, cryolite, slag, scrap, or flue dust, by any combination of following methods: (1) Collects samples of crushed ore, concentrates, or other material from conveyors, storage bins, carloads, or refining equipment, using sample containers or diverting mechanisms on conveyors or chutes. Grinds materials, using grinder mill. Weighs, dries, and reweighs material, using scales and oven, and computes moisture content. Sifts material through screen to remove oversized particles. Places sample in labeled containers, flasks, or bags for laboratory analysis. (2) Takes samples of molten metal from furnaces or casting stations, using ladle and wafer mold. Stamps or marks identifying information on cast wafer for delivery to laboratory. (3) Cuts samples of metal sheet or plate, using shears or punch. Saws sample sections from metal castings, plate, or rod for metallurgical analysis, using circular saw. Smooths cut surfaces of metal with grinder and sandpaper. Etches samples in acid to expose crystalline structure for spectrographic analysis. Drills holes in castings to obtain shavings for laboratory analysis. Stamps or labels samples for identification.
GOE: 02.04.01 STRENGTH: L GED: R3 M1 L1 SVP: 4 DLU: 77

519.485-010 GRINDER-MILL OPERATOR (smelt. & refin.)

    Tends ball mill that grinds ore and classifier that separates coarse from fine particles: Turns pump valves and moves conveyor-control levers to feed soda ash, starch, lime, water, ore, and other materials into ball mill to make slurry. Adds chemical reagent to slurry that causes fine particles to float and enables classifier to separate fine from coarse particles and to return coarse ones to mill for regrinding. Obtains sample of slurry in bucket from mill and classifier. Weighs sample and calculates density of mixture or titrates sample to measure alkalinity. May examine ore tactually or observe its color to ascertain size of particles. May set automatic device to regulate amount of ore passing on conveyor belt to ball mill.
GOE: 06.02.08 STRENGTH: L GED: R3 M1 L1 SVP: 4 DLU: 77

519.485-014 RECOVERY-OPERATOR HELPER (smelt. & refin.)

    Assists RECOVERY OPERATOR (smelt. & refin.) in operating kiln, ball mill, and conveyor system to recover soluble soda and alumina from waste materials: Moves controls to adjust feeds to rotary kiln and ball mill and to regulate operation of dust-collection equipment. Reads and records tank levels and slurry and soda ash temperatures. Collects and weighs batches of slurry to determine density. Measures oxygen content of flue gases, using gas analyzer. Keeps operating log. Turns valves to supply water to kiln trunnions and water-cooled bearings. Lubricates valves and adjusts packing glands to prevent leaks. Cleans cooler grates, using handtools. Performs other duties as described under HELPER (any industry) aster Title.
GOE: 06.04.10 STRENGTH: M GED: R2 M1 L2 SVP: 3 DLU: 77

519.565-010 DIGESTION OPERATOR (smelt. & refin.)

    Tends battery of digester vessels that dissolve bauxite in plant liquor: Turns valves on pumps to transfer liquor and bauxite slurry through heaters into digester vessels. Turns valves to inject milk of lime into vessels. Adjusts pumps and valves to circulate cleaning solution through process lines. Collects samples of slurry and alumina solution for laboratory analysis. Keeps log of operations.
GOE: 06.04.10 STRENGTH: H GED: R2 M1 L1 SVP: 3 DLU: 77

519.565-014 TANK-HOUSE-OPERATOR HELPER (smelt. & refin.)

    Assists TANK-HOUSE OPERATOR (smelt. & refin.) in setting up electrolytic copper-refining tanks by performing any combination of following duties: Cuts, strips, and trims copper sheets from starting blanks, using knife, pincers, and power shear. Places sheets in machine to clean and coat them with oil solution. Cinches or rivets loop strips to sheets, using looping machine. Straightens starter sheet blanks, using paddle or sledgehammer. Lifts and hangs starter sheets on electrical suspension bars in tanks. Guides MONORAIL CRANE OPERATOR (any industry) in positioning or removing anodes and coated starting plates. Scrapes and flushes out tanks, using scraping tools and water hose. May be designated according to function performed as Grease-Machine Worker (smelt. & refin.); Looper (smelt. & refin.); Sheet Hanger (smelt. & refin.); Stripper (smelt. & refin.). Performs other duties as described under HELPER (any industry) Master Title.
GOE: 06.04.10 STRENGTH: H GED: R2 M1 L2 SVP: 3 DLU: 77

519.582-010 RECOVERY OPERATOR (smelt. & refin.)

    Operates rotary kiln, ball mill and conveying equipment to recover soluble soda and alumina from waste materials: Moves lever and switch controls to start and regulate rotation speed of kiln. Moves controls to maintain specified temperatures throughout kiln and feed rate of kiln. Catches samples of slurry clinker from kiln, and observes discharge of slurry at sample points to ensure specified burning. Moves controls of cooling air fan, cooler exhaust fan, and air dampers to adjust temperature of grate cooler and airflows to burners. Moves controls and adjusts feed valves to start conveyor and bucket elevator system and to transport calcined clinker, bauxite, and soda ash into ball mill. Regulates valves and pumps to transfer slurry from ball mill into digestion tanks and to supply water to kiln trunnions and water-cooled bearings. Keeps operating log. Replaces charts in automatic recording devices.
GOE: 06.02.10 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77

519.585-010 HARDNESS TESTER (mine & quarry)

    Tends tumble drums, screens, and balance scales to test hardness of baked taconite pellets: Reads schedule to obtain specifications, such as furnace from which pellets are to be drawn and time of withdrawal, and notifies sampling personnel to prepare sample pellets. Pours sample over screen, and weighs screened pellets on balance scale. Dumps pellets into drum, and starts drum rotating for specified number of turns. Screens tumbled pellets, and weighs them to determine weight loss from tumbling. Reads conversion chart to obtain hardness number. Records hardness number of samples tested. May clean work area, using broom, shovel, and water hose.
GOE: 06.03.02 STRENGTH: L GED: R3 M2 L2 SVP: 3 DLU: 77

519.585-014 MUD BOSS (smelt. & refin.)

    Tends machines that drain, filter, dry, crush, and package slime from electrolytic tanks, preparatory to recovery of valuable metals, such as gold, silver, platinum, and vanadium: Pulls lever to drain and filter slime from electrolytic tanks into storage tank. Drains slime into machine to subject it to heat and pressure to remove moisture. Starts conveyor to transport dry slime to automatic grinder machine. Observes flow of slime from grinder into container. Weighs container, and marks weight on container and tally sheet. Inspects tanks for leaks and other defects. Collects samples of liquids for analysis. May tend machine which dries and presses slime into cakes for shipment. May transfer electrolyte from one tank to another by passing it through intermediate steam-heated tank, offsetting evaporation by adding hot water. May smooth surface of starting sheets with sandpaper to remove pits and scratches.
GOE: 06.04.10 STRENGTH: M GED: R3 M2 L2 SVP: 4 DLU: 77

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