Low force wire guide for EDM machine
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United States of America Patent
Stats
-
Dec 13, 1988
Grant Date -
N/A
app pub date -
Apr 29, 1987
filing date -
Apr 29, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A wire guide directs a wire electrode from a refeed mechanism in an electrical discharge machine EDM to a workpiece. The wire guide has a tension cap and a fixed wire guide body ceramic insert defining a precision guide slot for the electrode and wherein the tension cap is biased by a flex ring mounted on separated ends of the tension cap and body to retain them together. The biased tension cap has tapered surfaces at its exit end which produce a compound tension force on the electrode for maintaining a low friction force thereon during the life of the wire guide.
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