Electric discharge machining method and device with preset elect

Details Electric discharge machining method and device with preset elect Electric discharge machining method and device with preset elect

1981-06-26

1984-01-10

Shaw, C. C.

Electric heating

Metal heating

Cutting or disintegrating

219 69G, 318626, B23P 108

Patent

active

RE0314943

ABSTRACT:
In electrical discharge machining, an electrode is displaced towards a workpiece at a rate controlled as a function of the sparking conditions. The relative position of the electrode and workpiece is measured and, beyond a preset [reference] relative position, advance of the electrode is slowed as a function of the displacement past the reference position, or is stopped at the reference position, while continuing sparking and allowing withdrawal of the electrode if necessitated by the sparking conditions.

REFERENCES:
patent: 3372311 (1968-03-01), Arnold et al.
patent: 3372311 (1968-03-01), Lobur
patent: 3536881 (1970-10-01), Inoue
patent: 3609279 (1971-09-01), Giesbrecht
patent: 3657507 (1972-04-01), McNeece
patent: 3662142 (1972-05-01), Olsson
patent: 3714537 (1973-01-01), Bur
patent: 3721795 (1973-03-01), Lobur

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