Electrolysis: processes – compositions used therein – and methods – Electrolytic erosion of a workpiece for shape or surface... – With mechanical abrasion or grinding
Patent
1999-02-26
2000-12-19
Gorgos, Kathryn
Electrolysis: processes, compositions used therein, and methods
Electrolytic erosion of a workpiece for shape or surface...
With mechanical abrasion or grinding
205672, 204224R, C25F 300
Patent
active
061623482
ABSTRACT:
A semi-conductive grindstone (10) comprising grains and a semi-conductive binder to fix the grains is prepared, a voltage is applied between the grindstone and the conductive workpiece (1), an conductive grinding fluid is supplied between them, the grindstone is contacted to the workpiece, the binder of the grindstone is subjected to electrolytic dressing in the contact point, and the workpiece is simultaneously ground by using the grindstone. A semi-conductive binder is preferably composed of metal powder and an insulating resin. Consequently, application is possible to peculiar grindstones such as ball-nose grindstone, grinding of the workpiece is simultaneously possible with dressing of the working surface of the grindstone by electrolytic dressing, and thus, grinding of long duration is also possible maintaining high efficiency and high preciseness.
REFERENCES:
patent: 4849599 (1989-07-01), Kuromatsu
Patent Abstracts of Japan, vol. 097, No. 002, Feb. 28, 1997 & JP 08 257912 A (Nikkiso Co. Ltd.), Oct. 8, 1996.
Patent Abstracts of Japan, vol. 096, No. 012, Dec. 26, 1996 & JP 08 197425 A (Olympus Optical Co., Ltd.), Aug. 6, 1996.
Patent Abstracts of Japan, vol. 095, No. 011, Dec. 26, 1995 & JP 07 227761 A (Mitsubishi Electric Corp.), Aug. 29, 1995.
Patent Abstracts of Japan, vol. 018, No. 130 (M-1570), Mar. 3, 1994 & JP 05 318322 A (Brother Ind. Ltd.), Dec. 3, 1993.
Gorgos Kathryn
Parsons Thomas H
The Institute of Physical and Chemical Research
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