EDM with an electrode moved by deformation of an electrode actua

Details EDM with an electrode moved by deformation of an electrode actua EDM with an electrode moved by deformation of an electrode actua

1993-03-23

1994-08-23

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 692, B23H 104, B23H 730

Patent

active

053409590

ABSTRACT:
An electric discharge machine designed to prevent an impactive high-speed motion generated upon actuation of an electrode actuator from propagating to a quill, as well as to enable the rapid retreat of a tool electrode by the electrode actuator to be performed efficiently. The tool electrode is attached to a quill through an elastic supporting element and a piezoelectric actuator, with the elastic supporting element disposed on the side of the quill. The elastic supporting element has an elasticity whose degree is set so as not to adversely affect normal positioning of the tool electrode, and the piezoelectric actuator facilitates rapid retreat of the tool electrode. A support body includes a counter weight having a weight large enough to absorb the component of the impactive high-speed motion of the electrode actuator which acts toward the quill.

REFERENCES:
patent: 3588196 (1971-06-01), Bonga
patent: 4393292 (1983-07-01), Inoue
patent: 4430180 (1984-02-01), Shimizu
patent: 4439659 (1984-03-01), Shimizu

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