Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1988-02-26
1989-08-15
Olszewski, Robert P.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51216LP, 51217L, 51310, 51313, 279 5, 409131, 409221, B24B 1300, B24B 13005, B24B 3100
Patent
active
048562343
ABSTRACT:
A carrier is disclosed for holding an optical lens blank while forming optical surfaces on the blank. The carrier includes a clamp for holding the periphery of the lens blank while exposing a central area of the blank. An outer peripheral surface and one of two spaced end surfaces on the carrier are used in a method for locating and positioning said carrier/lens blank in a lathe, milling machine or other machine tool such that the exposed lens blank surfaces may be precisely and accurately cut to form optical lens surfaces with minimal error or misalignment. Holders for mounting the carrier in a lathe or milling machine and having locating surfaces engaging the outer peripheral and one end surface on the carrier are also disclosed.
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Photograph, D.A.C. Air Bearing Lathe.
Drawing No. A09390 of Air Bearing Lathe Spindle, Federal Mogul Westwind Air Bearings Ltd., Dorset, England, drawing dated Aug. 25, 1982.
Lavinder Jack
Olszewski Robert P.
Research Machine Center, Inc.
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