Wax is injected into a metal mold, cooled, and removed. Waxes are mounted on wax sprues (trees) and dipped in ceramic multiple times to create a shell. Wax is removed by steam autoclave, shell is fired, and molten metal poured into it. When cooled, the shell is broken to remove the parts.
-All castable metal alloys
-Near net shape dimensions
-Can eliminate many secondary operations
-Excellent surface finish, typical 125 RMS
-Thin walls, little or no draft required
-Ounces to 2000 lbs.
-Low to medium tooling costs
-1 to 1000s of parts
-No restrictions on design
Investment Casting
INVESTMENT CASTING
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