Method and apparatus for milling thermal barrier coated metals

Details Method and apparatus for milling thermal barrier coated metals Method and apparatus for milling thermal barrier coated metals

2011-08-09

2011-08-09

Cadugan, Erica E (Department: 3726)

Metal working

Plural diverse manufacturing apparatus including means for...

Including machining means

C029S558000, C029S889721, C219S069170

Reexamination Certificate

active

07992272

ABSTRACT:
A method is provided for milling a thermal barrier coated metal part. This method includes selectively removing a portion of a ceramic coating using a mechanical cutting tool, thereby forming a counterbore, and machining the metal part through the counterbore. A drilling head for drilling thermal barrier coated metal parts is also provided. The drilling head comprises a mechanical cutting tool, which is operable to mill through ceramic, and an electrode for electrical discharge machining. The electrode may be used to mill the metal part, and may be interchangeable with the mechanical cutting tool.

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