Foundry Mold and Coremakers - 51-4071.00

O*NET-SOC Description

Make or form wax or sand cores or molds used in the production of metal castings in foundries.

DOT Titles Included in this O*NET-SOC Code

  • Coremaker
  • Coremaker Apprentice
  • Molder
  • Molder Apprentice
  • Molder, Sweep

Sample of Occupations in this SOC Family

51-4011.00 Computer-Controlled Machine Tool Operators, Metal and Plastic
51-4012.00 Numerical Tool and Process Control Programmers
51-4021.00 Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic
51-4022.00 Forging Machine Setters, Operators, and Tenders, Metal and Plastic
51-4023.00 Rolling Machine Setters, Operators, and Tenders, Metal and Plastic
51-4031.00 Cutting, Punching, and Press Machine Setters, Operators, and Tenders, Metal and Plastic
51-4032.00 Drilling and Boring Machine Tool Setters, Operators, and Tenders, Metal and Plastic
51-4033.00 Grinding, Lapping, Polishing, and Buffing Machine Tool Setters, Operators, and Tenders, Metal and Plastic
51-4034.00 Lathe and Turning Machine Tool Setters, Operators, and Tenders, Metal and Plastic
51-4035.00 Milling and Planing Machine Setters, Operators, and Tenders, Metal and Plastic
51-4041.00 Machinists
51-4051.00 Metal-Refining Furnace Operators and Tenders
51-4052.00 Pourers and Casters, Metal
51-4061.00 Model Makers, Metal and Plastic
51-4062.00 Patternmakers, Metal and Plastic
51-4071.00 Foundry Mold and Coremakers
51-4072.00 Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic
51-4081.00 Multiple Machine Tool Setters, Operators, and Tenders, Metal and Plastic

Related Occupations

Tasks

  • Clean and smooth molds, cores, and core boxes, and repair surface imperfections.
  • Cut spouts, runner holes, and sprue holes into molds.
  • Form and assemble slab cores around patterns and position wire in mold sections to reinforce molds, using hand tools and glue.
  • Lift upper mold sections from lower sections and remove molded patterns.
  • Move and position workpieces such as mold sections, patterns, and bottom boards, using cranes, or signal others to move workpieces.
  • Operate ovens or furnaces to bake cores or to melt, skim, and flux metal.
  • Position cores into lower sections of molds, and reassemble molds for pouring.
  • Position patterns inside mold sections and clamp sections together.
  • Pour molten metal into molds, manually or using crane ladles.
  • Rotate sweep boards around spindles in order to make symmetrical molds for convex impressions.
  • Sift and pack sand into mold sections, core boxes, and pattern contours, using hand or pneumatic ramming tools.
  • Sprinkle or spray parting agents onto patterns and mold sections to facilitate removal of patterns from molds.
  • Tend machines that bond cope and drag together to form completed shell molds.

Detailed Work Activities

  • adjust production equipment/machinery setup
  • construct molds
  • fabricate, assemble, or disassemble manufactured products by hand
  • make independent judgment in assembly procedures
  • move or fit heavy objects
  • operate hoist, winch, or hydraulic boom
  • operate ore refining/foundry equipment/machinery
  • read production layouts
  • read technical drawings
  • signal directions or warnings to coworkers
  • understand technical operating, service or repair manuals
  • use hand or power tools
  • use pneumatic tools