- 업종: 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
