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

043474250

ABSTRACT:
A wire-cut, electric-discharge machining power source which is provided with a first low-current discharge circuit and a second high-current discharge circuit. The first low-current discharge circuit makes a wire electrode positive and a workpiece negative, and the second high-current discharge circuit makes the wire electrode negative and the work positive. After triggering a discharge by the first low-current discharge circuit, a main discharge for machining is produced by the second high-current discharge circuit.

REFERENCES:
patent: 2951930 (1960-09-01), McKechnie
patent: 3509305 (1970-04-01), Bertolasi
patent: 3757073 (1973-09-01), van Osenbruggen et al.
patent: 4211908 (1980-07-01), Niwa

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