Foundry Mold and Coremakers

A typical week, in the words of people in the job

1. 01Operate ovens or furnaces to bake cores or to melt, skim, and flux metal.
2. 02Sift and pack sand into mold sections, core boxes, and pattern contours, using hand or pneumatic ramming tools.
3. 03Position patterns inside mold sections, and clamp sections together.
4. 04Position cores into lower sections of molds, and reassemble molds for pouring.
5. 05Move and position workpieces, such as mold sections, patterns, and bottom boards, using cranes, or signal others to move workpieces.
6. 06Cut spouts, runner holes, and sprue holes into molds.
7. 07Pour molten metal into molds, manually or with crane ladles.
8. 08Clean and smooth molds, cores, and core boxes, and repair surface imperfections.
9. 09Form and assemble slab cores around patterns, and position wire in mold sections to reinforce molds, using hand tools and glue.
10. 10Sprinkle or spray parting agents onto patterns and mold sections to facilitate removal of patterns from molds.
11. 11Rotate sweep boards around spindles to make symmetrical molds for convex impressions.
12. 12Tend machines that bond cope and drag together to form completed shell molds.

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