Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1990-09-28
1991-07-16
Valentine, Donald R.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
20412946, 204217, 204224M, 204DIG9, C25F 316, C25F 324, C25F 700
Patent
active
050322389
ABSTRACT:
A method of electropolishing and grinding the both surfaces of a circular workpiece comprises polishing and grinding the both surfaces of a circular workpiece with a pair of grindingstones which are so arranged as to oppose the polishing/grinding surfaces, the body material of the polishing/grinding surface of the grindingstones being composed of an electric conductive material wherein the grindingstones are connected to the positive pole of a power source and an electrode located in the vicinity of the grindingstones is connected to the negative pole, and a voltage is applied across the positive and negative poles, whereby a dressing operation to the polishing/grinding surfaces is conducted by the electrolysis of the pair of grindingstones during the polishing and grinding operation.
REFERENCES:
patent: 3293162 (1966-12-01), Sullivan
patent: 4849599 (1989-07-01), Kuromatsu
Hotta Naohiro
Ishimura Kazuhiko
Muramoto Shigeru
Nagasawa Ikuo
Asahi Glass Co. Ltd.
Valentine Donald R.
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