Method for producing perforated valve spray disk

Details Method for producing perforated valve spray disk Method for producing perforated valve spray disk

1995-06-06

1997-02-04

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 6914, B23H 110, B23H 914

Patent

active

055994660

ABSTRACT:
A method of making a conical spray opening for a perforated valve spray disk by electrical discharge machining. During electrical discharg machining by an electrode, particles are removed by flushing in a direction opposite the direction of electrical discharge machining and counterflushing by a second dielectric after the opening has been created in a direction opposite from the electrical discharge machining, resulting in the opening having a conical shape.

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