Lens cutting assembly and method and apparatus for effecting rap

Details Lens cutting assembly and method and apparatus for effecting rap Lens cutting assembly and method and apparatus for effecting rap

1991-01-10

1992-04-21

Rachuba, M.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

5116587, 5116588, B24B 4900

Patent

active

051055848

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: 1047511 (1912-12-01), Freeman
patent: 2493332 (1950-01-01), Aubin
patent: 4269000 (1981-05-01), Rutter
patent: 4837983 (1989-06-01), Fuller, Jr.

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