Flat disk polishing apparatus

Details Flat disk polishing apparatus Flat disk polishing apparatus

1985-10-08

1986-11-11

Smith, James G.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51118, B24B 700

Patent

active

046214585

ABSTRACT:
An apparatus for polishing a surface such as the surface of a disk which avoids rounding of the edge of the surface and reduces wear of the polishing medium. The apparatus includes a buffer plate whose boundary conforms to and is adjacent to the edge of the surface being polished but the buffer plate is displaced in a direction perpendicular to the plate by a small increment so that droop of the polishing medium over the edge of the surface being polished is reduced. Means of establishing the incremental displacement is disclosed in terms of the required polishing pressure and breakdown pressure of the polishing medium.

REFERENCES:
patent: 1556995 (1925-10-01), Johnson
patent: 1831958 (1931-11-01), Indge et al.
patent: 3089292 (1963-05-01), Hunt
patent: 3859756 (1975-01-01), Zerbola

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