发明名称 |
Method of casting an article |
摘要 |
A wax article pattern having a cavity corresponding to a cavity in a metal article is provided. The cavity in the wax article pattern is filled with a slurry of ceramic core material. The slurry of ceramic core material is solidified to form a core. The wax article pattern is enclosed by ceramic mold material. The ceramic mold material is solidified to form a mold. The wax pattern is removed from the mold to leave an article mold cavity. The article mold cavity is filled with molten metal which is solidified to form the metal article. A passage in the metal article may be formed by a pin which extends from the wax article pattern into the cavity in the wax article pattern and is enclosed by the slurry of ceramic core material.
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申请公布号 |
US5853044(A) |
申请公布日期 |
1998.12.29 |
申请号 |
US19960636926 |
申请日期 |
1996.04.24 |
申请人 |
PCC AIRFOILS, INC. |
发明人 |
WHEATON, HAROLD L.;GRAHAM, LAWRENCE D. |
分类号 |
B22C7/02;B22C9/04;(IPC1-7):B22C7/02 |
主分类号 |
B22C7/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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