Lens grinding apparatus

Details Lens grinding apparatus Lens grinding apparatus

1990-06-21

1992-06-09

Meislin, D. S.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

20412946, 51266, B24B 1300

Patent

active

051195950

ABSTRACT:
A grinding apparatus with electrolytic in-process dressing suitable for grinding a planar or spherical surface. An electrode is provided on the outer peripheral surface of the work holder such that a gap of a predetermined size is left between the electrode and the grinding surface of the grinder. A power supply is connected to apply a voltage between the electrode serving as a cathode and the grinder serving as an anode. A weak-electric coolant is supplied to the space between the grinder and the electrode.

REFERENCES:
patent: 3043766 (1962-07-01), Williams
patent: 3161576 (1964-12-01), Teichner
patent: 3944475 (1976-03-01), Mizuhara et al.
patent: 4013526 (1977-03-01), Inoue
"Mirror-Finish Grinding of Glass Materials with Cast-iron Fiber-bond Abrasive", Gazette of Lecture Meeting of Association of Precision Engineering, Autumn Session, Published Oct. 3, 1988.
"Grinding of Silicon by Cast-iron Fiber-bond Abrasive", Gazette of Lecture of Meeting of Association of Precision Engineering, Autumn Session, Published Oct. 5, 1988.
"Electrolytic Dressing Mirror-finish Grinding of glass with Electro-deposited Abrasive", Gazette of Lecture Meeting of Association of Precision Engineering, Spring Session, Published Mar. 22, 1989.

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