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Foundry Mold and Coremakers

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

What you’d do

  • Clean and smooth molds, cores, and core boxes, and repair surface imperfections.
  • Sift and pack sand into mold sections, core boxes, and pattern contours, using hand or pneumatic ramming tools.
  • Position patterns inside mold sections, and clamp sections together.
  • Position cores into lower sections of molds, and reassemble molds for pouring.
  • Sprinkle or spray parting agents onto patterns and mold sections to facilitate removal of patterns from molds.
  • Form and assemble slab cores around patterns, and position wire in mold sections to reinforce molds, using hand tools and glue.
  • Move and position workpieces, such as mold sections, patterns, and bottom boards, using cranes, or signal others to move workpieces.
  • Lift upper mold sections from lower sections, and remove molded patterns.

Skills that matter

  • Monitoring
  • Operations Monitoring
  • Active Listening
  • Critical Thinking
  • Time Management
  • Complex Problem Solving

How to get there

Little to some preparation: usually a high school diploma or GED, though some jobs do not need one

Also called

  • Core Machine Operator
  • Core Maker
  • Coremaker
  • Molder
  • Core Stripper
  • Green Sand Molder

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