Device and process designed to automatically hold up and fix in

Details Device and process designed to automatically hold up and fix in Device and process designed to automatically hold up and fix in

1986-12-11

1988-05-17

Leung, Philip H.

Electric heating

Metal heating

Cutting or disintegrating

836511, 204206, 204297R, 219 69W, 269296, B23H 702, B23Q 306

Patent

active

047452536

ABSTRACT:
An EDM device includes two support bars bearing on the same reference surfaces as the workpiece. Gibs are provided which engage into driving units able to displace them axially while holding them at a small distance under one support bar. The other support bar carries the receiving units wherein the gibs engage at the end of their stroke. Each driving unit may push the gib engaged therein against the lower surface of the respective bar. Whenever one or several such gibs are stopped under a part cut out of the workpiece, the part will lie thereon and remains fixed even after the electrode has completed a closed path cutout by electroerosion separating the cut-out part from the workpiece. The cut-out part may then be automatically removed by means of a mobile member equipped with a suction cup.

REFERENCES:
patent: 1792612 (1931-02-01), Staley
patent: 2188433 (1940-01-01), Friese
patent: 3508806 (1970-04-01), Hall
patent: 3695187 (1972-10-01), Weiss
patent: 3729185 (1973-04-01), Roeske
patent: 4484052 (1984-11-01), Inoue
patent: 4502518 (1985-03-01), Lewin
patent: 4547646 (1985-10-01), Briffod
patent: 4566510 (1986-01-01), Bartlett et al.
patent: 4571477 (1986-02-01), Weber
patent: 4661678 (1987-04-01), Wavre

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