High-frequency power feeder circuitry and supply method for elec

Details High-frequency power feeder circuitry and supply method for elec High-frequency power feeder circuitry and supply method for elec

1979-03-01

1981-07-07

Shaw, C. C.

Electric heating

Metal heating

Cutting or disintegrating

219 69C, 219 69P, B23P 102

Patent

active

042776686

ABSTRACT:
An EDM apparatus is fed with unidirectional pulses formed by a rectifier in proximity to the machining gap and energized via a conductive cable from a remote power source transmitting high-frequency current through the cable.

REFERENCES:
patent: 2856565 (1958-10-01), Matulaitis
patent: 2951142 (1960-08-01), Ullmann
patent: 3344255 (1967-09-01), Ferguson
patent: 3348015 (1967-10-01), Rhyner et al.
patent: 3614368 (1971-10-01), Lobur
patent: 3777108 (1973-12-01), Maillet
patent: 3943321 (1976-03-01), Pfau et al.

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