Finishing method employing electro-chemical machining, and an el

Details Finishing method employing electro-chemical machining, and an el Finishing method employing electro-chemical machining, and an el

1988-12-23

1990-09-11

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

20412943, 2041295, 204244M, 204225, 204DIG9, B23H 302, B23H 912

Patent

active

049560603

ABSTRACT:
A method and apparatus for electro-chemical machining involve: supplying a pulse having a predetermined current density between an electrode and an object to be worked while they face each other with a static electrolyte therebetween; detecting the current of the pulse supplied between the electrode and the object to be worked; comparing the detected current with a reference current set in accordance with factors such as properties of the object to be worked, and increasing the current density of the pulse on the basis of the result of the comparison; supplying pulses having the increased current density between the electrode and the object to be worked a predetermined number of times; and removing electrolytic products generated between the electrode and the object to be worked.

REFERENCES:
patent: 4160710 (1979-07-01), Greenwood
patent: 4206028 (1980-06-01), Inoue
patent: 4800006 (1989-01-01), Kuwabara et al.
patent: 4842702 (1989-06-01), Kuwabara et al.

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