Method and apparatus for electroerosive cutting
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United States of America Patent
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Aug 10, 1999
Grant Date -
N/A
app pub date -
Apr 10, 1997
filing date -
Apr 10, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for moving a guide head of a wire erosion machine and possibly a workpiece along a guide path (TD), determining a drag error (S; S.sub.B ; S.sub.G) of a wire electrode from making several drag error acquisitions or from a combination of several drag errors (S; S.sub.B ; S.sub.G). Each drag error (S; S.sub.B ; S.sub.G) is determined during one drag error acquisition. Also, a wire erosion machine is disclosed with an actuating device for effecting movements of at least a guide head and/or a workpiece, along a guide path (TD) including with several devices for determining a drag error (S; S.sub.B ; S.sub.G) and a selection device for selecting the drag error (S; S.sub.B ; S.sub.G) from one device or from a combination of drag errors (S; S.sub.B ; S.sub.G) determined from several devices.
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