Wire electrode type electric discharge machining device with pre

Details Wire electrode type electric discharge machining device with pre Wire electrode type electric discharge machining device with pre

1987-10-07

1989-02-28

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

B23H 710

Patent

active

048087866

ABSTRACT:
A wire electrode type electric discharge machining device including a wire electrode confronting a workpiece with a small space therebetween, wherein electric discharge is caused to take place in the small space to machine the workpiece; an upper wire guide for slidably supporting the wire electrode above the workpiece; a lower wire guide for slidably supporting the wire electrode below the workpiece; a driver for supporting and moving the workpiece relative to the wire electrode in the horizontal direction; a lower arm for holding the lower wire guide at a position confronting the upper wire guide means. The electric discharge machining device further includes a protecting cover for covering the lower arm with a space therebetween, a splash preventing device which is movable with expansion and contraction with the movement of the workpiece for preventing machining solution jetted towards the small space between the workpiece and the wire electrode from splashing, and a holding device for fixedly holding the splash preventing device.

REFERENCES:
patent: 4363949 (1982-12-01), Pfau et al.
patent: 4392195 (1983-07-01), Inoue
patent: 4521661 (1985-06-01), Inoue
patent: 4565915 (1986-01-01), Girardin
patent: 4647747 (1987-03-01), Goto
patent: 4663509 (1987-05-01), Kawashima

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