Wire-cut electric discharge machine

Details Wire-cut electric discharge machine Wire-cut electric discharge machine

1992-04-23

1993-08-03

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 6913, B23H 704

Patent

active

052331474

ABSTRACT:
The wire-cut electric discharge machine controls the mean voltage or mean current detected in the detection circuit in response to the variation of the feed rate of the workpiece. The electrostatic attractive force and discharge repulsive force act to the workpiece and make a balance. As a result, the arcuate shape distortion is canceled.

REFERENCES:
patent: 4104502 (1978-08-01), Ullmann et al.
patent: 4267423 (1981-05-01), Bell, Jr. et al.
patent: 4339650 (1982-07-01), Tanaka et al.
patent: 4366359 (1982-12-01), Yatomi et al.
patent: 4392041 (1983-07-01), Yatomi et al.
VDI-Zeitschrift, vol. 118, 1976, No. 1, Jan., pp. 13-17, Journal of the Society of German Engineering, Von Rudolf Panschow, "Effect of Forces Occurring in Spark-Erosive Cutting".

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