Job Description:

• 1) Makes sand cores used in molds to form holes or hollows in metal castings: Cleans core box with blast of compressed air.

• 2) Dusts parting sand over inside of core box to facilitate removal of finished core.

• 3) Partially fills core box with sand by pulling cord that releases sand from overhead chute or by using hands or shovel.

• 4) Compacts sand in core box, using hands, hand rammer, and air rammer.

• 5) Bends reinforcing wires by hand, and inserts them in sand.

• 6) Fills core box and rams sand in tightly.

• 7) Inverts core box onto metal plate, and lifts box from sand core.

• 8) Patches cracked or chipped places on core and smooths core surfaces, using spoon and trowel.

• 9) May bake cores to harden them.

• 10) May assemble cores.

• 11) May work at bench making small cores and be designated Coremaker, Bench; or make large cores on floor of foundry and be designated Coremaker, Floor.