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U.S. Department of Labor
Domeniu: Government; Labor
Number of terms: 77176
Number of blossaries: 0
Company Profile:
A professional who assists pig-machine operator to cast pig iron. Respnsibilities include: * Observes pouring operations and signals pig-machine operator 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 master title.
Industry:Professional careers
A professional who directs pouring of slag from ladle through spout into reverberatory furnace used for smelting. Respnsibilities include: * Raises furnace door, using lever or air hoist. * Guides overhead crane operator 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 into position over furnace, using hand signals. * May record amount of slag dumped into furnace on analysis sheet.
Industry:Professional careers
A professional who operates rotating casting wheel to pour molten nonferrous metal, such as copper, lead, or aluminum into molds to form ingots. Respnsibilities include: * 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. * May skim slag or dross from metal in furnace with rake or hoe. * May divert stream of metal into bucket, using hose, to obtain samples for laboratory. * May 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.
Industry:Professional careers
A professional who operates rotating casting wheel to pour molten nonferrous metal, such as copper, lead, or aluminum into molds to form ingots. Respnsibilities include: * 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. * May skim slag or dross from metal in furnace with rake or hoe. * May divert stream of metal into bucket, using hose, to obtain samples for laboratory. * May 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.
Industry:Professional careers
A professional who operates press that forms carbon paste into anodes used in metal-reduction pots. Respnsibilities include: * 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.
Industry:Professional careers
A professional who pours molten metal from ladle into molds to produce metal castings. Respnsibilities include: * 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; Pourer, Bull Ladle; Pourer, Crane Ladle; Pourer, Crucible.
Industry:Professional careers
A professional who casts refined lead into molds moving along conveyor belt. Respnsibilities include: * 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.
Industry:Professional careers
A professional who removes, replaces, and adjusts nozzles and cylinders (sleeves) of diecasting machines. Respnsibilities include: * 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.
Industry:Professional careers
A professional who pours molten metal from ladle into molds to produce metal castings. Respnsibilities include: * 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; Pourer, Bull Ladle; Pourer, Crane Ladle; Pourer, Crucible.
Industry:Professional careers
A professional who tends centrifugal casting machine that casts tubular metal products, such as pipes, brakedrums, or bushings. Respnsibilities include: * 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.
Industry:Professional careers