Wire electric discharge machine having alterable discharge perio

Details Wire electric discharge machine having alterable discharge perio Wire electric discharge machine having alterable discharge perio

1993-04-12

1994-11-08

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

B23H 704, B23H 720

Patent

active

053629361

ABSTRACT:
A discharge frequency per unit time between a wire electrode and a workpiece is detected, and the thickness of the workpiece is estimated on the basis of the discharge frequency, the relative moving speed between the wire electrode and the workpiece and the information on the shape of the workpiece. Thereafter, the optimum discharge period is calculated on the basis of the estimated thickness of the workpiece and the set processing conditions to perform the processing of the workpiece.

REFERENCES:
patent: 4366359 (1982-12-01), Yatomi et al.
patent: 4392041 (1983-07-01), Yatomi et al.
patent: 4695696 (1987-09-01), Ozaki et al.
patent: 5122630 (1992-06-01), Reynier et al.
patent: 5243166 (1993-09-01), Nakayama
patent: 5276301 (1994-01-01), Kohsaka et al.

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