Side bore electrode retention device for electric discharge mach

Details Side bore electrode retention device for electric discharge mach Side bore electrode retention device for electric discharge mach

1997-08-18

1999-06-01

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 692, B23H 100, B23H 726

Patent

active

059085630

ABSTRACT:
An electric discharge machine side bore head used for machining in a generally transverse direction within a cavity formed in a workpiece. The head retaining an electrode having a primary axis oriented generally perpendicular to the surface which is to be machined. The side bore head includes an electrode holder, an electric contact providing electric current to the electrode holder, and a device for releasably retaining the electrode near one end of the electrode holder. The primary axis of the electrode is oriented generally perpendicular to a longitudinal axis of the electrode holder.

REFERENCES:
patent: 3939322 (1976-02-01), Bonga
patent: 4088032 (1978-05-01), O'Connor
patent: 4916282 (1990-04-01), Chamming's et al.
patent: 4948933 (1990-08-01), Thompson
patent: 5086201 (1992-02-01), Grypczynski et al.
patent: 5324907 (1994-06-01), Wallace
patent: 5543599 (1996-08-01), Cole et al.
patent: 5818006 (1998-10-01), Habel et al.

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