Method of surface grinding of planar member

Details Method of surface grinding of planar member Method of surface grinding of planar member

1989-01-03

1990-11-27

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 58, 51281R, 51283R, 15 77, 15 881, 15 882, B24B 700

Patent

active

049726307

ABSTRACT:
A planar surface of an article is ground smooth by a two-stage grinding head having an upstream-stage grinding brush and a downstream-stage grinding stone. The article is advanced past the grinding head while the grinding head is eccentrically driven so that the grinding brush coarsely grinds the planar surface and forms therein spiral brush traces and the grinding stone finely grinds the coarsely ground planar surface to smoothen the brush traces.

REFERENCES:
patent: 3125461 (1964-03-01), Hoffmann
patent: 3224147 (1965-12-01), Ross
patent: 3277609 (1966-10-01), Horie et al.
patent: 3621615 (1971-11-01), Ottinger
patent: 3845533 (1974-11-01), Tinfow et al.
patent: 4513543 (1985-04-01), Lawrenson et al.
patent: 4733500 (1988-03-01), David

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