Wire cut type electric discharge machine

Details Wire cut type electric discharge machine Wire cut type electric discharge machine

1990-07-20

1992-08-11

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

B23H 702, B23H 710

Patent

active

051381265

ABSTRACT:
An apparatus and method for automatically removing, in an initial stage of a machining operation, a contact of a wire cut type electrode and a workpiece to be machined by an electric discharge generated between the electrode and the workpiece. With such an apparatus and method, even if there occurs a contact between the electrode and workpiece, the electric discharge machining operation can be started according to an NC machining program.

REFERENCES:
patent: 4324970 (1982-04-01), Nanasawa et al.
patent: 4521662 (1985-06-01), Kinoshita et al.
patent: 5051553 (1991-09-01), Kinoshita
patent: 5055649 (1991-10-01), Iwasaki et al.

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