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       CODE: 518.484-010 Buy the DOT:Download/CD-ROM
TITLE(s): PLASTER MOLDER II (foundry)
Forms plaster molds, used to make metal castings, using molder's handtools, patterns, and flasks:
Mixes plaster powder and water according to specified formula. Places cope and drag on molding
table. Places drag half of pattern in drag. Pours liquid plaster into drag, removes excess plaster,
using straightedge, and allows mold to harden. Assembles cope half of pattern to drag half of
pattern in mold. Places cope on drag and makes depressions in plaster around drag pattern to ensure
accurate joining of mold halves for casting. Brushes parting agent on surfaces of mold, pattern, and
flask, and pours liquid plaster into cope. Separates cope and drag after specified time and removes
pattern. Repairs cracks and broken edges of mold, using molder's handtools, such as spoon, trowel,
and slick. May cut gates and risers in mold after mold is baked. May position cores in drag and
assemble mold. May pour molten metal into molds, using hand ladle. Makes plaster cores by pouring
plaster in core box and clamping box shut. May cast plaster molds from rubber molds, spraying
parting agent on mold face and pouring plaster into drag and cope.
GOE: 06.02.30 STRENGTH: M GED: R3 M1 L2 SVP: 4 DLU: 77
ONET CROSSWALK: 93944A Mold Makers, Hand
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