发明名称 |
ELECTRICAL DISCHARGE ASSEMBLY AND METHOD FOR REPAIRING DIFFUSION COOLING PASSAGES |
摘要 |
An electrical discharge assembly for processing a workpiece having a cooling passage with first and second portions includes a first electrode having a first shape for machining the first portion of the cooling passage and a second electrode having a second shape for machining the second portion of the cooling passage. In a method for repairing cooling passages in a workpiece, a first electrode having a first shape is positioned in a cooling passage. The first electrode is electrically powered to machine a first portion of the cooling passage. A second electrode having a second shape is positioned in the cooling passage. The second electrode is electrically powered to machine a second portion of the cooling passage.
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申请公布号 |
US2010313405(A1) |
申请公布日期 |
2010.12.16 |
申请号 |
US20100797281 |
申请日期 |
2010.06.09 |
申请人 |
PRATT & WHITNEY SERVICES PTE LTD |
发明人 |
MOHYI HAPIPI MOHAMMAD DZULKIFI B.;NG RACHEL;SAM CHEE KIT |
分类号 |
B23P6/00;B23H1/00 |
主分类号 |
B23P6/00 |
代理机构 |
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代理人 |
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