System for control of flushing flow in a spark discharge (EDM) m

Details System for control of flushing flow in a spark discharge (EDM) m System for control of flushing flow in a spark discharge (EDM) m

1990-02-27

1991-09-03

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

204224M, 219 6914, B23H 702, B23H 736

Patent

active

050456636

ABSTRACT:
A control system for flushing fluid flow in an EDM machine provides independent control of flow characteristics at the upper and lower nozzle outlets. The control system operates in a flow control mode and a pressure control mode. In the pressure control mode, pressure transducers are utilized to provide a feed-back signal.

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patent: 4833290 (1989-05-01), Obara

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