Cores

Cores are responsible for providing the internal cavities and features within a casting. They are produced in a mold know as a core box. Sand of a different density then that used in the green sand method is placed into the core box and is either heated or cooled until it solidifies.

To produce a CO2 core, sand that is packed into a core box is given a shot of CO2 gas. To produce a shell core a core machine produces the core through a shell molding method.

Cores are then indexed into a mold before the alloy is poured to created the desired internal geometry.

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