Traveling-wire EDM method

Details Traveling-wire EDM method Traveling-wire EDM method

1980-03-04

1982-03-16

Shaw, C. C.

Electric heating

Metal heating

Cutting or disintegrating

219 69M, B23P 102

Patent

active

043202802

ABSTRACT:
In an EDM method, a continuous wire electrode with an original radius is continuously transported through a machining zone of a workpiece. The machining zone is flushed with a liquid while a succession of electrical machining current pulses are passed between the electrode and the workpiece. Because of these machining pulses, discharge craters with raised formations are formed on the wire electrode. The method includes the step of controlling at least one parameter of the electrical machining current pulses so that the radius of the wire electrode at the location of the raised formations does not exceed the original radius of the wire electrode.

REFERENCES:
patent: 3943321 (1976-03-01), Pfau et al.
patent: 4104502 (1978-08-01), Ullmann et al.
patent: 4163887 (1979-08-01), Buhler et al.

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