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U.S. Department of Labor
Industry: Government; Labor
Number of terms: 77176
Number of blossaries: 0
Company Profile:
A professional who tends blower-type coremaking machine to produce sand cores. Respnsibilities include: * 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. * May 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.
Industry:Professional careers
A professional who tends machine that makes shell molds used to produce metal castings. Respnsibilities include: * 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.
Industry:Professional careers
A professional who tends machine that bonds cope and drag together to form completed shell mold. Respnsibilities include: * 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.
Industry:Professional careers
A professional who verifies dimensions and shapes of cores for conformance to specifications, using straightedge, gauges, and calipers. Respnsibilities include: * 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.
Industry:Professional careers
A professional who verifies dimensions and shapes of cores for conformance to specifications, using straightedge, gauges, and calipers. Respnsibilities include: * 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.
Industry:Professional careers
A professional who performs any combination of following tasks involved in coremaking. Respnsibilities include: * 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.
Industry:Professional careers
A professional who assists mold maker in forming molds used in casting copper. Respnsibilities include: * 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 master title.
Industry:Professional careers
A professional who covers wax foundry patterns with coating compound to form shell mold used in lost-wax casting process. Respnsibilities include: * 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.
Industry:Professional careers
A professional who covers wax foundry patterns with coating compound to form shell mold used in lost-wax casting process. Respnsibilities include: * 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.
Industry:Professional careers
A professional who 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 master title.
Industry:Professional careers
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