Production process of wax pattern

Details Production process of wax pattern Production process of wax pattern

1997-10-02

1999-07-13

Lin, Kuang Y.

Metal founding

Process

Shaping a forming surface

164 45, B22C 702

Patent

active

059213094

ABSTRACT:
A production process of a wax pattern having a core, which is used for casting a product having a complicated hollow portion, comprising the steps of: producing two or more wax shells each having a contour of an external surface of a desired casting; and combining the wax shells with a core to obtain a wax pattern having a hollow portion between the wax shells and the core. Using the method, the occurrence of breakage of the core during dewaxing or production of the pwax pattern is extremely reduced, and a lowering in yield rate due to the breakage of the core is remarkably ameliorated.

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