Apparatus and method for lapping an edge surface of an object

Details Apparatus and method for lapping an edge surface of an object Apparatus and method for lapping an edge surface of an object

1987-05-21

1989-02-21

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51277, 51216H, B24B 100

Patent

active

048053546

ABSTRACT:
An apparatus for lapping an edge surface of an object comprises a block having a side adapted to engage a wide surface of an object, adjustable spacers disposed on the block and adapted to engage a lap plate, and a weighted spring disposed on the block for urging the spacers and the object edge surface towards the lap plate. A method for lapping comprises setting surfaces of adjustable spacers disposed on a block to be substantially the same distance from the block, affixing a wide surface of an object to the block, urging an edge surface of the object and the spacers towards a lap plate, lapping the edge of the object, inspecting the edge for parallelism to a reference line, resetting the spacers and relapping the edge surface.

REFERENCES:
patent: 264877 (1882-09-01), Heyer
patent: 2412306 (1946-12-01), Stoll
patent: 2493461 (1950-01-01), MacConnell
patent: 2635398 (1953-04-01), Sohn
patent: 3587196 (1971-06-01), Dunn
patent: 3868794 (1975-03-01), Zitkus
patent: 4519168 (1985-05-01), Cesna
patent: 4625460 (1986-12-01), Burgess et al.
"Metallorgraphic Mount With Optical Feedback"; W. E. Semple; IBM Technical Disclosure Bulletin; vol. 20, No. 10, Mar. 1978.

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