Abstract: Manufacturing spectacle lenses using lens blanks blocked onto holding elements is laborious and time-consuming. Furthermore the manufacture is rendered difficult by different surface curvatures on the receiving side of the lens blanks. The purpose of the invention is to remedy such drawbacks. Accordingly this invention relates to equipment for processing lens blanks comprising a workpiece turret supported rotatably about a main axis of rotation, said turret being fitted with at least two workpiece receptacles configured each outside the main axis of rotation and being rotatable about spindle axes, each workpiece receptacle comprising a workpiece receiving surface having a surface curvature rotationally symmetrical about the spindle axis, whereby said surface curvatures of the workpiece receiving surfaces being different from each other.

Abstract: There is provided an eyeglass lens processing apparatus including a first rotational shaft which holds and rotates an eyeglass lens, a finishing tool, a chamfering tool which performs chamfering on an angular portion of an edge of the eyeglass lens, a second rotational shaft to which the chamfering tool is attached, an adjustment unit which adjusts a relative positional relationship between the first rotational shaft and the second rotational shaft, a chamfering angle setting portion which sets a chamfering angle formed between a rotational center axis of the first rotational shaft and a processing tool surface, an edge information acquisition portion which acquires information regarding an edge surface shape of the eyeglass lens, an angle correction portion which corrects the chamfering angle based on the information regarding the edge surface shape, and a control portion which controls the adjustment unit and performs chamfering based on the corrected chamfering angle.

Abstract: A method of shaping an ophthalmic lens to have a desired outline with a machining device including a blocking support for the ophthalmic lens and at least one first machining tool, the method includes: obtaining an inner cutting limit for the first machining tool; defining an initial blocking position for the ophthalmic lens and its desired outline; calculating whether at least a portion of the desired outline presents a non-zero intersection with the inner cutting limit; defining as the final blocking position either the unchanged initial blocking position if the calculated intersection is zero, or else a blocking position that is modified relative to the initial blocking position so that the desired outline as repositioned using the modified blocking position does not present an intersection with the inner cutting limit associated with the first tool; and blocking and shaping the ophthalmic lens with the desired outline.

Abstract: A high precision rigid gas-permeable contact lens edge curve polishing lathe includes a base provided at the bottom of a machine body. A first crank and a second crank are respectively provided on two sides of the base. A detent mechanism is provided on both the first crank and the second crank. The detent mechanism includes an ejector pin matching the rotational direction of the first crank and the second crank and a numerical display unit revealing the position of the ejector pin. The contact position of a polishing sponge on a spindle of the polishing lathe and a lens can be precisely positioned through numerical reading, realizing quantized control of the polishing of a lens edge, and enabling improvement and modification to the design of the lens edge to become simpler.

Abstract: Provided is a seamless polishing pad comprising a seamless polishing layer having a substantially uniform depth of penetration into a porous subpad. In one embodiment, the polishing pad comprises a polishing layer produced by applying to the subpad a hardenable fluid. In another embodiment, the subpad is coated with a barrier before coating with the hardenable fluid. In each embodiment, the depth of penetration of the polishing layer and/or barrier is substantially uniform. Also provided is a method of producing a seamless polishing pad comprising a seamless polishing layer having a substantially uniform depth of penetration into a porous subpad.

Abstract: The machine includes: elements for supporting the lens and for driving it in rotation about a first axis of rotation, the rotation of the lens being driven by first driver element, a tool-carrier mounted to turn about a second axis of rotation, turning of the tool-carrier being driven by second driver element, a plurality of working tools mounted on the tool-carrier to rotate about tool axes, with at least two of the tools including tools for shaping the periphery of the lens for shaping having distinct tool axes, third driver element for driving relative spacing movements between the first axis of rotation and the second axis of rotation, swivel elements for enabling the tool-carrier to be pivoted relative to the first axis of rotation about a third axis of rotation that extends substantially transversely to the first axis of rotation.

Abstract: A method for polishing the edge of a semiconductor wafer comprises (a) providing a semiconductor wafer which has been polished on its side surfaces and which has a rounded edge; (b) polishing the edge of the wafer by fixing the semiconductor wafer on a centrally rotating chuck, delivering the wafer to a centrally rotating polishing drum, which is inclined with respect to the chuck and to which a polishing pad containing fixedly bonded abrasives is applied, and pressing semiconductor wafer and polishing drum onto one another while a polishing agent solution containing no solids is continuously supplied.

Abstract: An eyeglass lens processing apparatus including a lens edge position detecting unit for obtaining edge positions, an edge corner processing tool for processing an edge corner of the lens, a correction data input unit for inputting correction data to avoid interference between an edge and a nose pad arm, wherein the correction data includes data on a position of interference between the nose pad arm and the edge, data necessary for setting an amount of processing at an interference position, and an edge processing range, a processing data computing unit for determining a path of processing the edge corner, based on edge position data and the correction data, to obtain data on correction processing and a processing controller for processing the edge corner of the lens by the edge corner processing tool in accordance with the correction processing data.

Abstract: A device (1) for machining an ophthalmic lens includes a support for the ophthalmic lens and for driving it in rotation about a blocking axis (A1), a machining module (35) that can be swiveled relative to the support and driving the lens in rotation and that is suitable for pivoting about a swivel axis that is not parallel to the blocking axis of the lens, and at least one drill tool mounted to rotate on the machining module about a first axis of rotation. The machining device includes at least one other machining tool mounted to rotate on the machining module about another axis of rotation that is distinct from the first axis of rotation and that is stationary relative to the first axis of rotation.

Abstract: An eyeglass lens processing apparatus includes: a processing apparatus body for processing a lens, which includes a grinding water supply unit for ejecting grinding water to a portion to be processed of the lens; a centrifugal separator which separates processing refuse from grinding water by rotating a dewatering bin to discharge the grinding water to the outside of the dewatering bin; and a calculation control unit which includes a counter for multiplying a processing refuse amount of the lens on the basis of a control signal of the apparatus and a memory for storing a processing refuse extraction reference provided to maintain filtering efficiency of the dewatering bin, the processing refuse extraction reference being determined on the basis of the multiplied processing refuse amount of the lens, and which generates an alarm signal when the multiplied processing refuse amount of the lens reaches the processing refuse extraction reference.

Abstract: The invention relates to a method of centering a single vision non-edged ophthalmic lens (1) possessing an initial outline (2) associated with a centering point (CO) and that is to be shaped (edged) to take up a final outline (3) associated with a pupil point, the method comprising the steps of: superposing the pupil point of the final outline on the centering point of the non-edged lens; and adjusting the relative position of the final outline to fit within the initial outline of the non-edged lens. The step of adjusting the position of the final outline to fit within the initial outline includes angularly orientating the initial outline relative to the final outline about the centering point in compliance with an adjustment angular position to avoid or reduce any protrusion of the final outline beyond the initial outline of the lens.

Abstract: The present invention relates to a beveling wheel and method for forming a beveled lens with the beveling wheel for use with eyeglasses. One embodiment includes a prescription lens for use on an eyeglass frame having a receiving channel. The receiving channel includes a channel bottom and opposed interior wall surfaces having a first angle therebetween. The prescription plastic lens includes a prescription lens body generally defined by a peripheral edge having a bevel extending away from the edge to a vertex. The bevel has a distal portion with a second angle. The bevel is receivable within the receiving channel. At least a portion of the vertex of the bevel has an interference fit with the receiving channel bottom when held within the eyeglass frame. The first angle is greater than the second angle.

Abstract: An apparatus for processing a chamfering of an eyeglass lens, including means for inputting a width of the chamfering and a range of the chamfering from a periphery of a lens shape at at least one position adjacent to a nose or far away from the nose, arithmetic control means for obtaining a trace for the chamfering on a refractive surface of the eyeglass lens and obtaining the position of the edge end of the eyeglass lens after the processing of the chamfering, and means for displaying the trace of the chamfering by overlapping the lens shape.

Abstract: In an eyeglass lens processing apparatus for beveling a peripheral edge of an eyeglass lens, if the high curve lens processing mode is selected by a mode selector, a computing unit acquires a high curve bevel path for locating the bevel apex on a front surface curve of the eyeglass lens or for locating the bevel apex at a position shifted by a predetermined quantity from the front surface curve toward the rear side on the basis of the edge position information acquired by the edge position detector, thereby providing high curve beveling data for the rear surface beveling grindstone, or for the front surface and rear surface beveling grindstones; and a beveling controller bevels the peripheral edge of the eyeglass lens by the rear surface beveling grindstone, or by the front surface and rear surface beveling grindstones on the basis of the high curve beveling data.

Abstract: The present invention relates to a router tool for edging the peripheral edge of eyeglass lenses. The tool comprises a longitudinally extending body rotatable on the axis thereof. A first blade extends axially and radially from the body, and has a first cutting portion for shaping an edge of a lens to a first configuration. A second blade is provided that is axially spaced from the first blade. The second blade extends axially and radially from the body, and has a second cutting portion for shaping an edge of a lens to a second configuration different than the first configuration. The present invention also relates to an edger having the disclosed router tool, and a method for shaping the edge of eyeglass lenses.

Abstract: A machine for processing optical work pieces having a work piece spindle for the work piece driving rotationally about a work piece rotation axis. At least one processing unit has a tool that can machine the work piece and an adjusting mechanism causes a relative movement between the work piece spindle and tool to selectively enable loading, unloading and processing of the work piece. The adjusting mechanism has a linear drive unit and a swivel drive unit that are stacked on each other to rotate the swivel drive unit and the work piece spindle about a swivel axis that is perpendicular to the work piece rotation axis, and has the linear drive unit move the work piece spindle along a linear axis that can be perpendicular to one of the swivel axis and the work piece rotation axis and parallel to or aligned with the other axis.

Abstract: An eyeglass lens processing apparatus includes: a controller that controls a second driver for rotating lens chucks for chucking an eyeglass lens and a third driver for changing an axis-to-axis distance between an axis of a processing tool and an axis of the lens chucks so that a processing load falls below an allowable value; and a processing mode selector that selects one of a first processing mode in which the allowable value is set to be high, and a second processing mode in which the allowable value is set to be low so as to suppress axis deviation when the lens having a surface slipping readily is processed. The controller controls the first driver so that a second chucking pressure of the lens chucks when the second processing mode is selected is smaller than a first chucking pressure of the lens chucks when the first processing mode is selected.

Abstract: A draining device for removing processing water attached to a lens includes: a first lens holding shaft to which a cup attached to a refractive surface of the lens as a processing jig can be fitted; and a rotating unit which rotates the first lens holding shaft to remove the water by centrifugal force.

Abstract: A lens edger which is capable of measuring the curvature of an eyeglass lens is disclosed. The lens edger includes a carriage which rotatably fixes a pair of lens fixing shafts and moves the position of the lens fixing shafts clamping a lens to be processed; a lens rotation motor for rotating the lens fixing shafts; a carriage driving means for moving the carriage; and an apparatus for measuring a curvature of the lens.

Abstract: A draining device for removing processing water attached to a lens includes: a first lens holding shaft to which a cup attached to a refractive surface of the lens as a processing jig can be fitted; and a rotating unit which rotates the first lens holding shaft to remove the water by centrifugal force.

Abstract: A workpiece-surface processing head has at least one processing tool which comes into contact with the surface to be processed and whose longitudinal axis is oriented essentially perpendicularly to the surface to be processed. The processing tool, for processing the workpieces, can be traversed by means of at least one drive device in a direction (X; Y) running at least approximately perpendicularly to its longitudinal axis.

Abstract: A lens processing system (1) includes a lens stocking device (400a; 400b) capable of stocking a plurality of lenses (LE); and a lens grinding device (100a; 100b); and a lens conveying device (200) which conveys one of the plurality of lenses between the lens stocking device and the lens grinding device.

Abstract: An apparatus for processing a lens comprising a rotating tool for chamfering used for chamfering a peripheral portion of a spectacle lens, the apparatus comprising: a holding shaft supporting the lens and a lens-holding unit that rotates the holding shaft and displaces the lens towards the finishing unit based on data describing a shape of a lens frame and a rotation angle of the holding shaft; and a means for positioning in an axial direction that displaces the lens in an axial direction of the holding shaft; wherein the rotating tool for chamfering includes a rotating tool having a hemispherical shape, wherein a chamfering angle, or a chamfering amount, is set in accordance with a displacement in the axial direction of the means for positioning in an axial direction and a displacement of the lens-holding unit.

Abstract: A apparatus comprises a portion for setting a load 133 which sets the load of pressing a lens to a rotating tool, a portion for setting the rotation speed of a lens shaft 132 which sets the rotation speed and the direction of rotation of a lens-holding shaft and a portion for setting the condition of water supply 134 which sets the condition for injecting a cooling liquid to the lens. These conditions are set in each step of the processing of the lens. The load, the relative directions of rotation of the lens and the rotating tool (the up cut or the down cut) and the condition for injecting the cooling liquid are controlled based on the conditions of the processing set by the above portions.

Abstract: The invention relates to an installation for the machining of the edges of spectacle lenses, comprising at least one CNC-controlled processing machine (1) for machining a spectacle lens, at least one device (3, 4) for determining the optical values, the optical focus, the axis position of a cylindrical or prismatic polish, the position of the near portion and/or the position of a progression channel of a spectacle lens (6) that is configured as a continuous vision lens. The installation also comprises at least one handling device (9) for removing blanks (6) from a conveyer device (8), for inserting a blank into the device, for removing said blank from said device, for introducing a blank into a respective processing machine, for removing a finished machined spectacle lens from the respective processing machine (1) and for replacing said lens on the conveyer device (8).

Abstract: An apparatus for processing a lens comprising: a means for supporting a lens that freely displaces towards a tool and comprises a holding shaft supporting the lens so that the lens freely rotates, and a means for detecting an angle that detects a rotation angle of the holding shaft; a means for positioning that moves to contact with and separated from the means for supporting a lens, wherein the means for positioning restricts displacement of the means for supporting the lens towards the tool at a position corresponding to a prescribed lens processing amount determined based on the rotation angle and the data describing a shape of a lens frame; a means for amplifying a relative displacement that amplifies a relative displacement between the means for supporting a lens and a means for positioning; and a means for detection that detects when processing conducted at the rotation angle is complete.

Abstract: A method of positioning a grooved grinding wheel relative to a disc-like circular workpiece for edge grinding the workpiece using the groove in the wheel includes the steps of mounting the workpiece for rotation about a first axis, mounting the grinding wheel for rotation about a second parallel axis, effecting relative movement between the workpiece and the wheel to engage the rim of the wheel within the groove and performing a preliminary grind. The position of the wheel is axially adjusted in accordance with the measurements made on the profile of the rim produced by the preliminary grind, and the rim is ground again with a second preliminary grind with the grinding wheel located at the axially shifted position. The steps of grinding and measuring the periphery of the workpiece are repeated until the rim profile possesses the desired accuracy. The final position of the grooved grinding wheel is then utilized for grinding future wafers.

Abstract: A numerical control (NC) processor with an onboard grinding unit is disclosed in which a workpiece is first cut in a preselected contour with a Y-axis cutting tool, and then subjected to honing operation intact whereby both the cutting and honing operations can be performed with just a single processor with high-speed, high-acceleration. With the NC processor, the Y-axis cutting tool is mounted on a sliding base above an X-axis table in a way allowed to move back and forth in a Y-axis direction, while a grinding unit is installed in close proximity to the sliding base. A slider moves back and forth in synchronized relation with rotation of a work spindle to first let the Y-axis cutting tool cut the workpiece into a preselected contour, and then cause a buffing material of the grinding unit to grind a work surface of the workpiece into a high-quality surface finish in conformity with a programmed contour while the workpiece remains held intact in a chucking device.

Abstract: A process of machining spectacle lenses using of a CNC spectacle lens-machining machine is provided. The process includes positioning the rough-cast lens on a holder in the spectacle lens-machining machine, machining an optical surface and/or the edge of the rough-cast lens in accordance with predetermined optical and/or shape-related values, continuously or cyclically checking the position of the rough-cast lens on the holder during machining using a sensor, and continuously or cyclically incorporating any recorded displacement of the rough-cast lens on the holder in the spectacle lens-machining values.

Abstract: A lens-holding shaft 41 displaces a lens 1 towards a main rotating tool 50 for processing the peripheral portion of the lens 1. A long hole 115 penetrating a waterproof case 101 is formed in the waterproof case 101 along the locus of displacement of the lens-holding shaft 41 and the lens-holding shaft is inserted through the long hole 115. At the outside of the waterproof case 101 along the long hole 115, a flexible water-resistant sliding shutter 130 is disposed in a manner such that the sliding shutter 130 can be freely displaced. The sliding shutter 130 is connected with the lens-holding shaft 41. A guide member 150 containing the sliding shutter 130 is bent at a position before the main shaft 51.

Abstract: To at least one of mark and drill holes in a workpiece spectacle lens, a position of bores of a lens template is scanned, in which the template includes one of a template spectacle lens, a pattern disk and a support disk. The scanning is performed by a scanning arrangement situated in one of a device for coquilles, a device to cut support disks for spectacle frames, and a spectacle lens edging machine. Data is acquired concerning the position of the bores in accordance with the scanning, and is then fed to a computer. The data includes at least one of rectangular and polar coordinates of the position of the bores. At least one of marking and drilling the holes in the workpiece spectacle lens is performed using a Computer-Numeric-Controlled device in accordance with the data concerning the position of the bores.

Abstract: The invention concerns a device comprising in combination: means for detecting (4) characteristics of a lens; means for integrating characteristics representing a patient's morphology; a support (3) of the mobile lens along a predetermined trajectory between a first measuring position and a loading position; grinding means (20); and means forming a gripping and clamping clip (25) for transporting the lens from said loading position to said grinding position.

Abstract: The invention relates to different methods for distortion-free production of data carriers having at least in partial areas a transparent plastic layer with a surface structure in the form of a lens structure. The surface structure can be produced by cutting method or embossed by applying heat and pressure. Alternatively the surface structure can be produced as a separate element which is connected after its production with the data carrier.

Abstract: An apparatus for polishing or lapping an aspherical surface of a work piece comprises a tool rotatable about an axis, the working surface area of the tool being smaller than the work piece, and an arrangement by means of which the tool and the work piece are adjustable relative to each other in all three directions in space, by means of which the orientation of the tool relative to the work piece is adjustable about at least two axes, and by means of which the work piece is rotatable about an axis.

Abstract: A apparatus comprises a portion for setting a load 133 which sets the load of pressing a lens to a rotating tool, a portion for setting the rotation speed of a lens shaft 132 which sets the rotation speed and the direction of rotation of a lens-holding shaft and a portion for setting the condition of water supply 134 which sets the condition for injecting a cooling liquid to the lens. These conditions are set in each step of the processing of the lens. The load, the relative directions of rotation of the lens and the rotating tool (the up cut or the down cut) and the condition for injecting the cooling liquid are controlled based on the conditions of the processing set by the above portions.

Abstract: A machining device for processing metal hanging rod of blinds having a machine platform, two fixing bases, and a retaining unit. A top of the machine platform has a holding groove for the two fixing bases. A middle section of the machine platform has an internally threaded hole for a reversible bolt of a motor. A bottom of the machine platform has a registration groove for the retaining unit to be guided via bearings. The fixing bases, each having a spring and a tapered pivot support, are adjustable to fit the length of a metal hanging rod. A sand wheel, contacting the metal hanging rod at one point and turned on to vibrate said springs, cuts out an interlaced wavy pattern on a periphery of the metal hanging rod. Alternatively, two concentric sand wheels form two contact points, producing double-layered interlaced wavy pattern on the metal hanging rod.

Abstract: An initial position setting method for grinding work apparatus includes: a grind stone 11; a pair of lens rotating shafts 14, 14 which are capable of approaching and drawing apart each other along a normal line of the grind stone 11; a ditch excavation grind stone 23 and chamfering grind stones 24, 25. A measurement standard 70 with a predetermined shape is adapted to be held by the lens rotating shafts 14, 14. The ditch excavation grind stone 23 and the chamfering grind stones 24, 25 are adapted to be moved to the predetermined position.

Abstract: A grinding water tank apparatus includes a tank for storing grinding water to be used for machining a peripheral edge of an eyeglass lens and recycles the grinding water stored in the tank by circulation. The apparatus further includes an air filter provided at a position in a space higher than the water surface of the grinding water in the tank, and a suction unit for drawing bubbles developing in the tank by way of the air filter.

Abstract: Disclosed is a grinding fluid supply device of a lens grinding apparatus. The grinding fluid supply device includes first grinding fluid supply means for supplying a grinding fluid in a tangent direction of a circular grinding wheel, which has a grinding surface formed on its circumferential surface, with an interval above a grinding surface and allows an upper portion and a rear side portion of the grinding surface to be covered with a curtain of the grinding fluid spaced from the grinding wheel when a processed lens is subjected to a grind processing with the grinding surface of the grinding wheel by rotatively driving the grinding wheel around an axis; and second grinding fluid supply means for insufflating the grinding fluid to the grinding surface.

Abstract: A cup attaching apparatus for attaching a cup for eyeglass lens processing to a subject lens to be processed, includes: an imaging optical system, which obtains an image of the lens by illuminating the lens with rays of light shaped to be larger in diameter than the lens; a display; a display control unit, which displays, on the display, the obtained lens image and an alignment mark superimposed on the obtained lens image, the alignment mark having substantially the same contour as a small lens portion of a bifocal lens; a first input unit, which inputs an amount of offset of the alignment mark with respect to a cup attachment center; and a second input unit, which inputs layout data for layout of the lens with respect to a target lens shape, wherein the display control unit determines a display position of the alignment mark based on the inputted offset amount and layout data, and displays the alignment mark at the determined display position on the display.

Abstract: The invention relates to a method and a device for machining the peripheral edge of spectacle lenses and for optionally applying a subsequent facet thereto. The device comprises a driven spectacle-lens holding shaft which holds the spectacle lens and a machining tool which can be moved in a controlled manner in relation to the spectacle-lens holding shaft. The torque of the spectacle-lens holding shaft is measured and said holding shaft is driven at a constant rotational speed if and for the length of time that the torque is less than or equal to a predetermined value. The torque of the spectacle-lens holding shaft is decreased optionally to a standstill if and for the length of time that the torque exceeds the predetermined value.

Abstract: A grinding water tank unit which allows grinding water used in processing an eyeglass lens to be reused, has: a water tank for storing the grinding water; and a partition plate for partitioning an interior of the water tank into a drain chamber and a water suction chamber. The partition plate defines a vertical opening adjacent an interior side surface of the water tank and extending in a depthwise direction of the water tank and a horizontal opening adjacent an interior bottom surface of the water tank and extending in a direction substantially perpendicular to the depthwise direction of the water tank so that a channel is secured between the drain chamber and the water suction chamber by the openings.

Abstract: A device for centering clamping of lenses, comprises two aligned centering spindles, arranged one above the other, with bell clamps. One centering spindle is guided axially in a centering spindle guide and may be moved relative to the other centering spindle by a lifting apparatus. To achieve a smooth, sensitively adjustable clamping movement with precise axial alignment of the centering spindles to allow clamping of small lenses, a swivellable rocking lever is provided, to which the mobile centering spindle and a counterweight are coupled on opposing sides. The lifting apparatus is provided with an electric motor-driven ball screw, which raises or lowers the mobile centering spindle and/or the centering spindle guide is equipped with linear guide units, which are arranged on each side of the mobile centering spindle in substantially play-free manner between the latter and a box-type structure.

Abstract: In a lens periphery edge processing apparatus comprising lens rotating shafts 16, 17 for putting and holding an objective lens therebetween, a carriage 15 rotatable around a pivot, and a grindstone rotating shaft 9 provided with a grindstone 5 for grinding the objective lens L, the lens rotating shaft 17 is provided with a reference globe 70 having a predetermined radius.

Abstract: An apparatus for simultaneously machining a plurality of lens blanks to provide a lens surface on each blank corresponding to a selected lens prescription includes a tool support assembly and a lens blank assembly. The tool support assembly movably supports at least one tool. The lens blank support assembly includes a plurality of lens blank retainers for supporting a plurality of lens blanks. The tool support assembly and the lens support assembly move relative to each other such that the tool alternatingly engages each of the plurality of lens blanks for machining an individual lens prescription in a raster-like manner on each of the plurality of lens blanks.

Abstract: Disclosed is a grinding fluid supply device of a lens grinding apparatus. The grinding fluid supply device includes first grinding fluid supply means for supplying a grinding fluid in a tangent direction of a circular grinding wheel, which has a grinding surface formed on its circumferential surface, with an interval above a grinding surface and allows an upper portion and a rear side portion of the grinding surface to be covered with a curtain of the grinding fluid spaced from the grinding wheel when a processed lens is subjected to a grind processing with the grinding surface of the grinding wheel by rotatively driving the grinding wheel around an axis; and second grinding fluid supply means for insufflating the grinding fluid to the grinding surface.

Abstract: An eyeglass lens processing system, including: a data input unit, which inputs frame shape data for processing a lens to be fitted to an eyeglass frame and layout data for providing a layout of the lens with respect to a frame shape; a lens processing unit, having two shafts for clamping the lens, for grinding a periphery of the lens; a first conveying unit, which conveys a tray on which the lens is placed and to which a management code is applied, the management code interrelating the lens placed on the tray to the data inputted by the data input unit; a lens measuring unit, which obtains at least an optical center position of the lens; a second conveying unit that picks and holds the lens, disposes the lens at a predetermined position of the lens measuring unit, and mounts the lens to the shafts of the lens processing unit after measurement by the lens measuring unit; and an arithmetic unit, which obtains processing data based on: (1) data, read out based on the management code applied to the tray from the

Abstract: A process, multi-functional grinding wheel and apparatus for mirror-finishing the edge of at least one of a cut unfinished glass recording disk or a cut unfinished glass-ceramic recording disk.

Abstract: A parallel alignment device for chemical mechanical polishing using a plurality of carrier devices (123) rotatably coupled to a turret means. The apparatus (100) includes a turret and plurality of rotatable polishing surfaces (111) positioned around the turret. The apparatus also includes a plurality of carrier devices (123) rotatably coupled to the turret, where the carrier devices (123) are each adapted to hold a workpiece to be polished on at least one of the rotatable polishing surfaces. Each of the carrier devices is operably independently to each other during a process for chemical mechanical polishing.

Abstract: A lens peripheral edge machining apparatus includes a judging device which judges the type of each of eyeglass lenses on the basis of an edge thickness shape thereof and which classifies the eyeglass lenses into groups, a display which displays the groups to which the eyeglass lenses belong in a distinguishable manner on the basis of the result of the judgment made by the judging device, an engravement information adjuster which adjusts engravement information at an arbitrary circumferential edge position of the other lens peripheral shape in accordance with the group information to which one eyeglass lens belongs and the group information to which the other eyeglass lens belongs both displayed on the display, and a machining controller which makes controller to machine a peripheral edge of the other eyeglass lens in accordance with engravement information after the adjustment.