Occupation: Foundry Mold and Coremakers

Foundry Mold and Coremakers

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

51-4071.00 | 13 tasks | 10 job titles
Reported Job Titles (10)
  • Core Machine Operator
  • Core Maker
  • Core Stripper
  • Coremaker
  • Green Sand Molder
  • Mold Maker
  • Mold Operator
  • Molder
  • No Bake Molder
  • Sand Molder
Core Tasks (9)
  • 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.
  • Cut spouts, runner holes, and sprue holes into molds.
Supplemental Tasks (4)
  • Tend machines that bond cope and drag together to form completed shell molds.
  • Rotate sweep boards around spindles to make symmetrical molds for convex impressions.
  • Pour molten metal into molds, manually or with crane ladles.
  • Operate ovens or furnaces to bake cores or to melt, skim, and flux metal.