D.C. motor driven EDM head
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United States of America Patent
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-
Feb 17, 1987
Grant Date -
N/A
app pub date -
Sep 23, 1985
filing date -
Sep 23, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An EDM head has a single servo-controlled electric motor and a high ratio gear system that drives a wire electrode during both an EDM machining operation and a wire erosion compensation operation. An associated control system can be programmed to selectively drive the electrode to compensate for wire erosion and to control blind hole breakout.
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