Servocontrol device for an erosion machine

Details Servocontrol device for an erosion machine Servocontrol device for an erosion machine

1989-03-03

1989-09-05

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

20412925, B23H 732

Patent

active

048640913

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.

REFERENCES:
patent: 4071729 (1978-01-01), Bell, Jr.
patent: 4296302 (1981-10-01), Bell, Jr. et al.

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