Lens cutting methods for effecting rapid replacement of lens cut

Details Lens cutting methods for effecting rapid replacement of lens cut Lens cutting methods for effecting rapid replacement of lens cut

1990-03-08

1991-02-19

Terrell, William E.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51284E, 51124L, B24B 100

Patent

active

049931954

ABSTRACT:
Quick-change methods and apparatus enable the cutting tool of a lens cutting machine to be exchanged with minimal down time of the machine. A replacement cutting tool is gauged in an off-machine gauging mechanism while the machine is able to continue an on-going lens cutting operation. A stop surface of the replacement tool is adjusted in the gauging mechanism in order to reset the cutting edge, whereby subsequent insertion of the replacement tool in the machine assures that the cutting edge will be located in a predetermined reference plane of the machine.

REFERENCES:
patent: 2553528 (1951-05-01), D'Avaucourt
patent: 2806327 (1957-09-01), Coburn
patent: 3117396 (1964-01-01), Dalton
patent: 4167218 (1979-09-01), Horiuchi et al.
patent: 4173848 (1979-11-01), Ikeno
patent: 4582461 (1986-04-01), Ziegelmeyer
patent: 4928433 (1990-05-01), Gray

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