摘要:
An eyeglass lens periphery processing apparatus for processing an eyeglass lens includes: a lens shuck shaft holding the eyeglass lens; a data input unit inputting target lens shape data and layout data of an optical center of the lens with respect to the target lens shape; left and right lens selecting unit inputting a selection signal as to whether the lens held by the lens chuck shaft is a right lens or a left lens; a lens shape detecting unit detecting the lens shape; a confirming unit confirming whether the lens held by the lens chuck shaft is the correct one of the right lens and the left lens based on the detecting result of the lens shape detecting unit, the layout data and the selection signal; and a notifying unit notifying the confirming result of the confirming unit.
摘要:
L'invention concerne un procédé de détourage d'une lentille ophtalmique (10) en vue de son montage dans un entourage mixte d'une monture de lunettes qui présente au moins une arcade, comportant : a) une étape d'acquisition d'un profil longitudinal caractérisant la forme souhaitée du contour de la lentille, b) une étape de délimitation du profil longitudinal en un premier arc associé à l'arcade et un second arc, au cours de laquelle on acquiert les positions de deux points singuliers du profil longitudinal caractérisant les positions des deux extrémités de l'arcade, c) une première étape de finition de la lentille ophtalmique, au cours de laquelle on ramène une première partie de son contour à la forme du premier arc, d) une seconde étape de finition de la lentille ophtalmique, au cours de laquelle on ramène une seconde partie de son contour à la forme du second arc.
Selon l'invention, à l'étape b), on corrige la position d'au moins l'un des deux points singuliers acquis de manière à réduire la longueur du premier arc du profil longitudinal.
摘要:
Processing a wafer using a double side grinder (101) having a pair of grinding wheels (209). Warp data is obtained by a warp measurement device (103) for measuring warp of a wafer as ground by the double side grinder (101). The warp data is received and a nanotopography of the wafer is predicted based on the received warp data. A grinding parameter is determined based on the predicted nanotopography of the wafer. Operation of the double side grinder (101) is adjusted based on the determined grinding parameter.
摘要:
In a conventional normal control machining method, reciprocating operation control of an X-axis table and reciprocating operation control of a Y-axis table are intertwined with each other to complicate control of both tables. A sophisticated control method and a high-performance controller for operating it are thereby required when a toric surface for correcting intensive astigmatism having a significant level difference is ground or cut. In the method for machining an aspheric surface, a workpiece rotating about a rotational axis and a rotary tool (214) movable relatively to the workpiece in the direction of the rotational axis of the workpiece and in the direction orthogonal to the rotational axis are provided, wherein the rotary tool (214) machines the workpiece into an axis-asymmetric aspheric surface by moving in a specified direction at a specified feed pitch in the partial or entire region extending from the center of the rotational axis of the workpiece to the outer circumferential part of the workpiece in the direction orthogonal to the rotational axis of the workpiece.
摘要:
An eyeglass lens processing apparatus includes: a processing tool which processes a peripheral edge of the lens and includes a roughing tool (166), a beveling tool (163F,163Rs,850) and a bevel-modifying tool (342,835,853); a selection unit (512) which is used to select a high curve beveling mode for forming a bevel in the lens fitted into a high curve frame having a protrusion portion; a modifying portion data input unit (5,52) inputs data of a portion to be modified so as to prevent an interference between the lens and the protrusion portion; a calculation unit (50) which obtains bevel-modifying data on the basis of a bevel path and data of the modifying portion; and a processing control portion (50) which performs the beveling to the lens by the beveling tool in accordance with the beveling data, and removes a part of the bevel shoulder and/or the bevel slope by the bevel-modifying tool in accordance with the bevel-modifying data.
摘要:
An apparatus for managing and controlling an operating machine (20) for machining elements (40), in particular a sanding machine, comprises processing means (2) for driving and controlling said machine (20) and control panel means (3) for inserting and/or modifying and/or displaying data and/or operating parameters of said machine (20), said control panel means (3) comprising supporting means (9) arranged for receiving and supporting said processing means (2); a method for managing and controlling an operating machine (20) for machining elements (40), in particular a sanding machine, by means of the control apparatus (1), comprising inserting and/or exchanging with said machine (20) data and/or adjusting and/or operating parameters by means of said control apparatus (1) of said machine (20), said inserting and/or exchanging comprising executing operating procedures (110, 115, 120, 125, 130, 140, 150, 160, 180) that are activatable and/or manageable through key means (11) of control panel means (3) of said apparatus (1).
摘要:
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.