Current supplying apparatus for a wire-cut electric discharge machine
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United States of America Patent
Stats
-
Apr 5, 1988
Grant Date -
N/A
app pub date -
Aug 7, 1984
filing date -
Dec 7, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A wire-cut electric discharge machine in which a current supplying member is in direct contact with a wire electrode, the shape of the current supplying member and the direction of passage of the wire electrode before and after the member being adapted to each other to prevent the formation of narrow gaps of sharp wedge-shaped cross section which could lead to harmful discharge and damage to the wire electrode and possible breakage of the wire electrode. In a preferred embodiment the current supplying member has a thick heel portion and a narrow sole portion and cooling fluid is discharged against the narrow sole portion.
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