Method and apparatus for electrically machining a conductive wor

Details Method and apparatus for electrically machining a conductive wor Method and apparatus for electrically machining a conductive wor

1981-05-12

1984-01-03

Paschall, M. H.

Electric heating

Metal heating

Cutting or disintegrating

219 69M, 219 69V, 2041297, B23P 112

Patent

active

044244339

ABSTRACT:
An improved method of and apparatus for electrically machining a workpiece wherein the machining surface of an electrode is spacedly juxtaposed with the workpiece and supplied with a machining liquid. The liquid is carried into a machining gap between the electrode and the workpiece and a wave-emitting member with a continuous annular vibrant surface is disposed adjacent to the workpiece whereby to position the said surface to spacedly surround the electrode. Ultrasonic waves are produced with this surface by virtue of a mechanical vibratory activation of the member by a transducer and such waves are emitted against at least a portion of the machining electrode surface isotropically whereby to effect a uniform activation of the electrode surface and the machining liquid medium on the latter in the machining zone.

REFERENCES:
patent: 4205213 (1980-05-01), Inoue
"A Textbook of Sound" by A. B. Wood, pp. 154-155.
"Ultra Sonics" by Carbin, pp. 104-105.

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