Apparatus of surface grinding of planar member

Details Apparatus of surface grinding of planar member Apparatus of surface grinding of planar member

1989-01-03

1990-11-13

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 3, 15 4, 15 5, 15 502, B24B 700

Patent

active

049692968

ABSTRACT:
An apparatus for surface grinding a planar surface of an article comprises 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.

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