Electrical discharge machining apparatus and process with contro

Details Electrical discharge machining apparatus and process with contro Electrical discharge machining apparatus and process with contro

1979-02-23

1981-01-27

Shaw, C. C.

Electric heating

Metal heating

Cutting or disintegrating

219 69M, B23P 112

Patent

active

042477492

ABSTRACT:
A process and apparatus for an EDM machine provided with an overcut drive mechanism for orbiting the electrode tool relative to the electrode workpiece in a cyclical motion, comprising a control for the orbital mechanism which varies the velocity of the cyclical orbital motion as a function of the difference between the orbital path actually obtained and a reference orbital path, such as to simultaneously provide a control of the workpiece shape and maintain the machining gap and, therefore, the machining current substantially constant.

REFERENCES:
patent: 3975608 (1976-08-01), Ullmann et al.
patent: 4041268 (1977-08-01), Braudeau et al.
patent: 4049942 (1977-09-01), Balleys et al.
patent: 4057703 (1977-11-01), Pfau

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