Basic Job Description:
Make or form wax or sand cores or molds used in the production of metal castings in foundries.
1) Clean and smooth molds, cores, and core boxes, and repair surface imperfections.
2) Cut spouts, runner holes, and sprue holes into molds.
3) Form and assemble slab cores around patterns and position wire in mold sections to reinforce molds, using hand tools and glue.
4) Position cores into lower sections of molds, and reassemble molds for pouring.
5) Position patterns inside mold sections and clamp sections together.
6) Sift and pack sand into mold sections, core boxes, and pattern contours, using hand or pneumatic ramming tools.
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7) Sprinkle or spray parting agents onto patterns and mold sections to facilitate removal of patterns from molds.
8) Lift upper mold sections from lower sections and remove molded patterns.
9) Move and position workpieces such as mold sections, patterns, and bottom boards, using cranes, or signal others to move workpieces.
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10) Operate ovens or furnaces to bake cores or to melt, skim, and flux metal.
11) Pour molten metal into molds, manually or using crane ladles.
12) Rotate sweep boards around spindles in order to make symmetrical molds for convex impressions.
13) Tend machines that bond cope and drag together to form completed shell molds.
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Holland / RIASEC Career Code: R-C-I SOC: 51-4071.00