Method of controlling wire-cut electric discharge contour machin

Details Method of controlling wire-cut electric discharge contour machin Method of controlling wire-cut electric discharge contour machin

1982-12-22

1985-05-21

Paschall, M. H.

Electric heating

Metal heating

Cutting or disintegrating

219 69M, B23P 108

Patent

active

045188424

ABSTRACT:
When cutting an arc or a corner in a workpiece on a wire-cut electric discharge machine, discharge power as required on rectilinear cutting is corrected on the basis of the amount of flexing of a wire electrode during rectilinear cutting and an amount of flexing of the wire electrode permitted in view of a tolerance in arc or corner cutting. The tension of the wire electrode is also adjusted and the speed of relative movement between the wire electrode and the workpiece is controlled. Dependent on whether a convex surface or a concave surface is cut in the workpiece, the rate at which the tension of the wire electrode and the speed of relative movement are proportional to each other is changed.

REFERENCES:
patent: 4081652 (1978-03-01), Janicke et al.
patent: 4232208 (1980-11-01), Buhler
European Search Report completed Apr. 7, 1983, Vienna.

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