Electrical discharge process and a device for multiple wire processing
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United States of America Patent
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Sep 30, 2003
Grant Date -
Mar 20, 2003
app pub date -
Aug 28, 2002
filing date -
Sep 11, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods and apparatus are disclosed for the processing of a work piece by electrical discharge, the processing being carried out with at least two wire electrodes. In the process, the offset of both the positions of the at least two wire electrodes relative to one another are determined, which positions the wire electrodes occupy upon their clamping, because of their angles of contact on a corresponding wire guide and their different wire characteristics at the level of the work piece. Further, the positions for the wire electrodes during the processing of the work piece after a change from one wire electrode to the next one are connected on the basis of the offset determined between these wire electrodes.
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