Apparatus for grinding spectacle lenses

Details Apparatus for grinding spectacle lenses Apparatus for grinding spectacle lenses

1995-04-28

1996-12-31

Kisliuk, Bruce M.

Abrading

Precision device or process - or with condition responsive...

Computer controlled

451 6, 451 9, 451 11, 451 43, B24B 4900

Patent

active

055888992

ABSTRACT:
An apparatus for peripheral grinding of a lens has at least one CNC-control device for grinding of the lens blanks according to a selected contour of the lens to be produced from the lens blank. The CNC control device has at least one grinding wheel, at least one rotatable holder for a lens blank, at least one input device for inputting the optical specifications of the lens to be produced, and a controller for controlling grinding of the lens blank according to the selected contour. At least one manipulation device for receiving and positioning the lens blank according to the optical specifications is provided. An opto-electronic detecting device for detecting markings of the lens blank is provided. The detecting device is arranged in the vicinity of the manipulation device. A first control unit, controlling the detecting device, and a second control unit, controlling the manipulation device, cooperate with one another for precisely positioning the lens blank on the holder of the grinding machine.

REFERENCES:
patent: 4656590 (1987-04-01), Ace
patent: 4737918 (1988-04-01), Langlois et al.
patent: 5053971 (1991-10-01), Wood et al.
patent: 5148637 (1992-09-01), Byron
patent: 5283980 (1994-02-01), Lohrenz et al.
patent: 5454194 (1995-10-01), Gottschald

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