Devices and methods for detecting a processing electrode of a machine tool
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United States of America Patent
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Mar 16, 2004
Grant Date -
Jul 18, 2002
app pub date -
Dec 4, 2001
filing date -
Dec 12, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Devices and methods are disclosed for the contactless detection of a bar-shaped or wire-shaped processing electrode of a machine tool such as a spark erosion machine. The detection is based on measuring an impedance change in the measuring area, which is caused by the processing electrode moving through the measuring area. The impedance change is measured by one or more measuring electrodes disposed in the measuring area.
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