Electric heating – Metal heating – Cutting or disintegrating
Patent
1995-03-31
1997-06-10
Valentine, Donald R.
Electric heating
Metal heating
Cutting or disintegrating
219 6917, 29889721, 29557, 204212, 204224M, 204292, 204293, 205665, 205686, B23H 104, B23H 702, H01R 4300, C25F 700
Patent
active
056372396
ABSTRACT:
An electrode for use in a rotary electrical discharge machining (EDM) device for producing at least one curved hole in an article includes at least one curved tooth. The curved tooth lies in a plane. A perpendicular line to that plane is parallel to the axis of rotation on the rotary EDM device. At least one curved cooling hole is machined in the article.
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Adamski Edward G.
Niezelski David A.
Shaw Richard H.
United Technologies Corporation
Valentine Donald R.
Wilkes Christine M.
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