Apparatus for lapping a facet on a tip of a workpiece

Details Apparatus for lapping a facet on a tip of a workpiece Apparatus for lapping a facet on a tip of a workpiece

1984-12-24

1986-08-05

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51122, 51134, 51237T, 5116575, B24B 916

Patent

active

046035125

ABSTRACT:
An apparatus for lapping a facet at the tip of a stylus by softly setting the tip down adjacent a rotating scaife comprises a moveable carriage supported on a platform. The carriage is moved vertically along a second axis substantially orthogonal to the first axis. A stylus holder operates to pivot the stylus toward the scaife and is biased by a spring or weight to assure a soft set down of the stylus tip on the scaife. A displacement sensor senses the angular displacement of the holder and generates a displacement signal proportional to the angular displacement relative to a predetermined reference position.

REFERENCES:
patent: 3624968 (1971-12-01), Leibowitz
patent: 4167085 (1979-09-01), Elbe
"Crystal Lapping Apparatus", Mandonas, Western Electric Technical Digest, No. 18, Apr. 1970, pp. 27-28.

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