System and method for ophthalmic lens manufacture

Details System and method for ophthalmic lens manufacture System and method for ophthalmic lens manufacture

B - Operations, Transporting

24

B

B24B 13/06 (2006.01) B24B 1/00 (2006.01) B24B 9/14 (2006.01) B24B 13/00 (2006.01) B24B 13/005 (2006.01) B24B 13/01 (2006.01) B24B 13/02 (2006.01) B24B 51/00 (2006.01)

Patent

CA 2396284

A method and system for the manufacture of ophthalmic lenses comprising a computer (102) and a CNC machining platform (104) in operative connection with the computer. The CNC machining platform includes a mounting stage (110), a block (106) in releasable connection with the mounting stage, and a machining tool (112). When an unfinished lens blank (108) is properly mounted on the block, the computer is operative to direct the CNC machining platform to perform both back surface generation and patternless edging of the lens blank in one machining cycle. The computer is further operative to direct the CNC machining platform to machine a lap tool for each lens and machine a block for receiving each lens. The block is machined by the platform to include scribe lines for facilitating proper alignment of lens blank.

L'invention concerne un procédé et un système destinés à la fabrication de verres ophtalmiques comprenant un ordinateur (102) et une plate-forme d'usinage (104) commandée numériquement par calculateur connectée de manière opérationnelle à l'ordinateur. La plate-forme d'usinage commandée numériquement par calculateur comporte un étage de montage (110), un bloc (106) relié de manière amovible audit étage, et un outil d'usinage (112). Lorsqu'un palet non fini (108) est monté convenablement au bloc, l'ordinateur opère pour diriger ladite plate-forme afin de générer la surface arrière et la bordure sans motifs du palet dans un cycle d'usinage. L'ordinateur continue d'opérer pour diriger ladite plate-forme de manière à usiner un outil de recouvrement pour chaque verre et un bloc de logement pour chaque verre. Le bloc est usiné par la plate-forme afin d'incorporer des chemins de découpe qui facilite un alignement adéquat du palet.

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