A method of and an apparatus for manufacturing an optical lens

B - Operations – Transporting – 24 – B

Patent

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B24B 47/22 (2006.01) B29D 11/00 (2006.01)

Patent

CA 2746962

The invention relates to a method of manufacturing an optical lens (10), the method com-prising the steps of blocking a lens member at a first positioning on a blocker (20); determining the first positioning of the lens member with respect to the blocker; comparing the first positioning of the lens member with a predetermined positioning in order to determine a positioning error between the first posi-tioning and the predetermined positioning; deter-mining a surface positioning of the surface to be manufactured (13) with respect to the blocker ac-cording to the positioning error; and configuring op-erational parameters of a lens manufacturing tool in order to manufacture a surface according to the determined surface positioning such that the desired optical properties of the optical lens are respected. The invention further relates to an apparatus for manufacturing an optical lens.

L'invention concerne un procédé de fabrication d'une lentille optique (10), comportant les étapes consistant à : immobiliser un élément de lentille au niveau d'un premier positionnement sur un arrêtoir (20); déterminer le premier positionnement de l'élément de lentille par rapport à l'arrêtoir; comparer le premier positionnement de l'élément de lentille à un positionnement prédéterminé afin de déterminer une erreur de positionnement entre le premier positionnement et le positionnement prédéterminé; déterminer un positionnement de surface de la surface à fabriquer (13) par rapport à l'arrêtoir en fonction de l'erreur de positionnement; et configurer les paramètres opérationnels d'un outil de fabrication de lentilles afin de fabriquer une surface en fonction du positionnement déterminé de la surface de telle sorte que les propriétés optiques souhaitées de la lentille optique soient respectées. L'invention concerne en outre un appareil de fabrication d'une lentille optique.

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