Wire-cut, electric-discharge machining power source

Details Wire-cut, electric-discharge machining power source Wire-cut, electric-discharge machining power source

1980-09-29

1982-08-31

Shaw, C. C.

Electric heating

Metal heating

Cutting or disintegrating

219 69P, B23P 102

Patent

active

043474241

ABSTRACT:
In a power source for a wire-cut, electric-discharge machine, a plurality of capacitors of different capacitances are provided as the discharge capacitors in a transistor-capacitor circuit and the capacitors are selectively used in accordance with the machined surface of the workpiece. Each capacitor has connected thereto an inductor, the inductance value of which increases as the capacitance value of the capacitor decreases, and this action of the inductor ensures stable discharge.

REFERENCES:
patent: 2895080 (1959-07-01), Branker
patent: 3054931 (1962-09-01), Inoue
patent: 3329866 (1967-07-01), Webb
patent: 3357912 (1967-12-01), Inoue
patent: 3596038 (1971-07-01), Hockenberry et al.
patent: 3832510 (1974-08-01), Pfau et al.

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