Device for machining workpieces
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United States of America Patent
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Mar 26, 2013
Grant Date -
Mar 4, 2010
app pub date -
Oct 17, 2007
filing date -
Dec 15, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a device for machining, particularly for cutting, of electrically conductive workpieces using a machining tool (10), which can be displaced back and forth toward and away from a workpiece by means of a drive unit and which comprises an electrically insulated, metallic tool head (12) forming a first capacitance (C1) with the workpiece, and comprising an analysis unit (14) for analyzing a characteristic value dependent on the first capacitance (C1). The invention provides that a metallic connecting element (18) is attached to the tool head (12), the element being connected to the analysis unit (14) and forming a second capacitance (C2) with the tool head (12).
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