Method of making a ceramic shell mould and a method of casting

Details Method of making a ceramic shell mould and a method of casting Method of making a ceramic shell mould and a method of casting

1999-02-25

2000-10-10

Lin, Kuang Y.

Metal founding

Process

Shaping a forming surface

35 44, B22C 702, B22C 904

Patent

active

061291382

ABSTRACT:
A wax pattern assembly (10) is removed from a ceramic shell mould (30) by removing a support member (20) from the wax pattern assembly (10). The ceramic shell mould (30) is then heated to melt the wax out of the ceramic shell mould (30). The removal of the support member (20) provides a cavity (22) into which the wax may expand without cracking the ceramic shell mould (30). The support member (20) is provided with an external thread to allow it to be easily removed from the wax pattern assembly (10).

REFERENCES:
patent: 4651801 (1987-03-01), Sasaki

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