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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.

Sample of Reported Job Titles

  • Core Machine Operator
  • Core Maker
  • Core Stripper
  • Coremaker
  • Green Sand Molder
  • Mold Maker
  • Mold Operator
  • Molder
  • No Bake Molder
  • Sand Molder

SOC Occupation Groups

Related Occupations


  • 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 with crane ladles.
  • Rotate sweep boards around spindles 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

  • Apply parting agents or other solutions to molds.
  • Build production molds.
  • Clean production equipment.
  • Cut industrial materials in preparation for fabrication or processing.
  • Lift materials or workpieces using cranes or other lifting equipment.
  • Operate heating or drying equipment.
  • Place materials into molds.
  • Position patterns on equipment, materials, or workpieces.
  • Remove workpieces from molds.
  • Signal others to coordinate work activities.
  • Smooth metal surfaces or edges.

Military Crosswalk Titles

  • Allied Trades Specialist (Army - Enlisted)

Apprenticeship Crosswalk Titles

  • Coremaker
  • Molder

DOT Crosswalk Titles

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