Method for obtaining near net shape castings by post injection f

Details Method for obtaining near net shape castings by post injection f Method for obtaining near net shape castings by post injection f

1993-07-15

1994-08-23

Lin, Kuang Y.

Metal founding

Process

Shaping a forming surface

164 45, 164 35, B22C 904, B22C 702

Patent

active

053398882

ABSTRACT:
The invention relates to a method of producing near net shaped metals parts from shaped wax patterns and more particularly a process whereby control of the wax pattern shape from which metal parts are to be investment cast is accomplished by machining the wax pattern after injection forming. The present invention incorporates a precision machining step whereby the injection formed wax is machined to dimensional values which more closely result in a near net shape of the cast metal part.

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Howmet Expands Leadership Position in Single-Crystal Casting Technology; Howmet Corporation.
From Teeth to Jet Engines; by Joseph L. Mallardi; Howmet Corporation.

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