Servocontrol device for an erosion machine
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United States of America Patent
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-
Sep 5, 1989
Grant Date -
N/A
app pub date -
Mar 3, 1989
filing date -
Mar 15, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A servocontrol device for controlling a distance between an erosion electrode and a workpiece in an erosion machine calculates an error signal from an actual distance between the erosion electrode and the workpiece and a desired distance. The error signal undergoes low pass filtering, before it is used as a control signal for a drive connected to the erosion electrode to drive the latter. For optimizing the dynamic characteristics, the servocontrol device has a variable cutoff frequency, which is dependent on at least one parameter of a processing pulse supplied to the erosion electrode.
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