Lapping apparatus including a lapping base having pads

Details Lapping apparatus including a lapping base having pads Lapping apparatus including a lapping base having pads

1997-10-20

1999-05-04

Eley, Timothy V.

Abrading

Precision device or process - or with condition responsive...

With indicating

451278, 451279, 451387, 451389, 451405, B24B 4900, B24B 5100

Patent

active

058997938

ABSTRACT:
A lapping apparatus for uniformly laps work pieces. The lapping apparatus includes a rotary lapping plate, a lapping base including a plurality of pads contacting the lapping plate, an adapter including first and second surfaces for supporting the mounting base contacting the lapping plate, and a supporting mechanism provided on the lapping base for supporting the second surface of the adapter by a supporting point. As the adapter supporting the work piece is supported on two points on the work piece and one supporting point of the lapping plate, the lapping surface of the work piece may follow as the lapping plate. Accordingly, it becomes possible to uniformly lap the work piece regardless of accuracy of the lapping base.

REFERENCES:
patent: 4850157 (1989-07-01), Holmstrand
patent: 5749769 (1998-05-01), Church et al.
patent: 5816899 (1998-10-01), Hart et al.

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