Multi-lead servo feed system for electrical discharge machining

Details Multi-lead servo feed system for electrical discharge machining Multi-lead servo feed system for electrical discharge machining

1978-05-24

1980-12-09

Reynolds, B. A.

Electric heating

Metal heating

Cutting or disintegrating

219 69C, B23P 112

Patent

active

042386608

ABSTRACT:
A servo feed control system providing arc sensing for each individual lead in a multiple lead set up. The lowest arc voltage of the several leads in the system determines the feed of the servo system through a hydraulic servo system or the like. Included are a pair of analog switches one of which is actuated responsive to gap polarity so that the system is conditioned to operate with equal facility at either gap polarity.

REFERENCES:
patent: 2783411 (1957-02-01), Matulaitis
patent: 2822514 (1958-02-01), Winfield
patent: 3732392 (1973-05-01), Verner
patent: 3775578 (1973-11-01), Verner
patent: 4021635 (1977-05-01), Losey et al.

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