EP0855248A1 - Verfahren und Vorrichtung zum CNC-gesteuerten Formbearbeiten von Brillengläsern - Google Patents
Verfahren und Vorrichtung zum CNC-gesteuerten Formbearbeiten von Brillengläsern Download PDFInfo
- Publication number
- EP0855248A1 EP0855248A1 EP97108290A EP97108290A EP0855248A1 EP 0855248 A1 EP0855248 A1 EP 0855248A1 EP 97108290 A EP97108290 A EP 97108290A EP 97108290 A EP97108290 A EP 97108290A EP 0855248 A1 EP0855248 A1 EP 0855248A1
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- EP
- European Patent Office
- Prior art keywords
- lens
- thickness
- data
- shape
- shape data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/14—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of optical work, e.g. lenses, prisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
- B24B47/225—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation for bevelling optical work, e.g. lenses
Definitions
- the invention relates to a method and an apparatus for Determine the course of the facets on the edge of lenses to be shaped and to control the Form processing according to the determined facet course.
- the course of the facets on the edge of those to be machined Eyeglass lenses should be determined in such a way that shape-worked glasses without reworking into a corresponding selected glasses frame can and should be used aesthetic reasons on the peripheral edge of the ground Glasses the same distance from wherever possible Have front edge, even if the lens is one of the circular shape has a very different shape to the Glasses frame does not differ in the forward direction survive.
- the peripheral edge and the roof facet of a lens are the Shape of the lens and personal optometric data of the glasses wearer in the form of a quantity of data with which can control a lens molding machine so that a Raw glass according to the personal optometric data of the Glasses wearer with regard to the optical surfaces as well according to the shape of the selected frame edged and the roof facet so on the peripheral edge of the molded lens is placed on the entire circumference runs on the circumferential edge and for example a certain distance from the front edge of the machined Observes glasses.
- the data relating to the shape of the eyeglass frame can be in the form a quantity of data provided by the eyeglass frame manufacturer are present or can be obtained in that the glasses frame in a device for scanning the facet groove used and the Amount of data can be recorded in three-dimensional form.
- the faceted groove in a spectacle frame due to manufacturing tolerances or shape deviations must necessarily lie on a spherical surface.
- a device for three-dimensional scanning of Eyeglass frames are in German utility model 86 08 201 U1 Applicant described.
- the one described Measuring device is in the CNC controlled Glasses edge grinding machine integrated and the scanning of the Raw glass is always the first step of the Machining process by the CNC-controlled Spectacle lens edge grinding machine. This is while scanning The raw glass cannot be shaped.
- the invention is based on the problem of a method for Determine the course of the facets on the edge of lenses to be shaped and to control the Form processing according to the determined facet course create with which the exploitation of a CNC-controlled Eyeglass lens molding machine and the accuracy of the Increase facet course and simplify operation.
- the invention is based on the consideration that for Spectacle lens processing machine dead times can be avoided and should therefore only perform machining operations in order to to achieve the highest level of utilization while all for the Perform the necessary preparatory steps outside the machine but in close connection with the machine should expire. Accordingly, all measurements that require a special additional step outside of Spectacle lens processing machine performed. Functions only, the processing steps required anyway connect, are in the Eyeglass lens molding machine performed without the Extend dead times. This includes measuring the thickness d of the Raw glass that can be carried out in the machine, if that Raw glass is clamped in the spectacle lens holding shaft because the Movement of the spectacle lens holding shaft during clamping to measure the Can use thickness d of the raw glass.
- the computer can, for example, determine the spatial course of a suitable roof facet on the peripheral edge between the front and calculate the rear edge curve of the lens by on the one hand the personal, optometric data of the Spectacle wearer like diopter number, the axis position of one cylindrical or prismatic cut, the location of a near part and the decentration values of the given outline shape with reference entered on the optical axis of the raw glass and the thickness d of a raw glass as well as the front and rear edge curve of the Eyeglass lenses according to the shape data of the eyeglass frame opening or the form disk, which is also in the form of a data set in the calculator can be entered in one of the Spectacle lens molding machine separate measuring device are determined and transmitted to the computer, whereupon the Calculates the spatial course of a suitable roof facet calculated.
- the calculator may also be enough to put all the values in the calculator enter, whereupon the calculator then using a suitable algorithm first the front and rear optical Surface and from it the front and rear edge curve of the Glasses from the shape data and the personal optometric data or from the shape data and the radii R1 and R2 and the entered or measured glass thickness d are calculated and then the spatial course of a suitable one Roof facet on the peripheral edge between the front and the trailing edge curve is calculated, after which these values are used to control the Processing of optical surfaces and / or edge processing by means of the shape processing machine according to the shape data and to control the shaping of the facet according to the calculated spatial course of the suitable roof facet be used. It may be sufficient to use only one radius R1 or R2 as well as the glass thickness d because the second radius of the Glasses are usually known and directly in the calculator can be entered.
- the radii R1, R2 and the thickness d or the front and rear space curve using a Laser beam measuring system or by means of a mechanical or a opto-mechanical measuring system can be measured, either as independent measuring device next to the Spectacle lens processing machine may be present, or else into an automatic device for picking up and inserting Raw lenses integrated in the lens processing machine can be.
- the eyeglass lens molding machine with one spectacle lens holding shaft to be shaped into raw glass can advantageously a the feed path of an axial sliding half of the eyeglass holding shaft for measuring the Thickness d of the clamped raw glass measuring device have, so that the thickness of the raw glass automatically at Clamping into the spectacle lens holding shaft results and sent to the computer is forwarded.
- An inventive system for processing the peripheral edge of Eyeglass lenses have a CNC-controlled Spectacle lens edge processing machine 1 with an input keyboard 2, a flap 3 with a window, one behind the flap 3 arranged spectacle lens holding shaft 4 in which a raw lens 5 is held is that its CNC-controlled by means of a grinding wheel 6 Receives shape grinding.
- a calculator 7, the desktop calculator outside the spectacle lens edge grinding machine 1 is shown in however, this can also be integrated, causes shape grinding of the raw glass 5 according to the data entered for the Eyeglass lens shape.
- the input keyboard 2 can of course outside of Spectacle lens edge processing machine 1, in particular in connection with the desktop computer 7, which also have a screen 38 to display the entered data and the like, be arranged.
- This handling device 13 is fixed by means of a Stand 14 anchored and has one at the upper end of the stand 14 pair of arms 15 pivotable about vertical axes.
- At the free end one of the pivotable arms 15 is a rotatable and displaceable Guide rod 16 in one with a corresponding drive provided head 21 arranged.
- a suction line 20 leads from each of the suction devices 19 into the Head part 17 and from there via sensors, not shown, to one Vacuum tank or to a vacuum pump. A corresponding Suction line is also available for the suction device 18.
- the head part 17 in the area of Eyeglass lens edge grinder 1, box 8 and one opto-electronic detection system 23 for spectacle lenses bring.
- the opto-electronic detection system 23 has one Housing 30 with an upward opening 31. The Opening is surrounded by a shield 26, from which three pins 24 protrude a three-point support for a raw glass 25.
- an upstanding support 32 On one side of the housing 30 is an upstanding support 32 arranged on which a swivel arm 33 is mounted.
- This Swivel arm 33 has an axially displaceable at its free end Guide rod 34 with a flexible head 35 on her free end on.
- This flexible head 35 can be Swiveling the swivel arm 33 to above the raw glass 25 swivel.
- By lowering the guide rod 34 comes the soft elastic head 35 to rest on the raw glass 25 and holds this on the three-point edition 24.
- a lighting 37 for a Oblique lighting of the raw glass 25 ensures.
- One is not in the housing 30 below the opening 31 shown CCD camera arranged an electronic Image processing and evaluation system in a control unit 36 and with the control device 22 of the handling device 13 connected is.
- the control device 36 can also be in the computer 7 be integrated.
- the base plate 41st has, on which a turntable 42 is arranged.
- This Rotary table 42 is with a suction cup for holding one side Raw glass 51 provided.
- Protective walls 43 are around the base plate 41 arranged which the work space above the base plate 41st to lock.
- a holding head 50 is arranged axially movable telescopic arm 46 carries.
- a guide 47 On the free arm of the Telescopic arm 46 is arranged a guide 47, one in it lifting and lowering spindle 48 carries. At the lower end of the spindle 48 there is a laser beam source 49, of which a measuring beam 100 going out.
- the computer 7 calculates the radius R1 or R2 depending on which one Side of the raw glass 51 is directed to the laser beam source 49. Both radii R1 and R2 are turned over in this way measured, the respective results directly from this Raw glass thickness d in the optical center.
- the measuring device shown in Fig. 2 can also the front and rear space curve of the lens accordingly measure the shape of the eyeglass frame opening or the shaped disc, when the movement of the computer 7 via the control device 45 Telescopic arm 46 while rotating the turntable 43 so is controlled that the measuring beam 100 the surface of the raw glass 51 leaves according to the shape of the lens.
- laser beam measuring device shown can also use a mechanical or opto-mechanical measuring system that performs the measurements in the top of the raw glass.
- the raw glass 51 is inserted into the Measuring device inserted and removed from this and leaves closing in the opto-electronic detection system 23 insert or can directly into the lens holder shaft 4 of the Spectacle lens processing machine 1 can be used.
- the computer 7 calculates on the basis of the measurement data and the input Data referring to the personal optometric data of the Glasses wearer the shape of the glasses frame opening or Obtain a shaped disc, the spatial course of a suitable Roof facet on the peripheral edge of the lens between the front and rear edge curves and controls editing of the raw glass 5 according to these values. This will start with the raw glass 5 into the shape according to the shape data of the Eyeglass frame opening or the molded disc and is then the roof facet on the peripheral edge between the front and rear edge curve processed so that they the Demands for an aesthetically appealing arrangement of the Eyeglass lenses in the selected eyeglass frame corresponds to it inserting the molded lens into the selected glasses frame allows without difficulty.
- the opto-electronic detection system 23 with its electronic image processing and evaluation system 36 contributes to simplified handling and for precise work of the Eyeglass lens edge grinding machine 1, since the image processing and Evaluation system 36 so accurate data for the control of the Handling device 13 provides that raw glasses in the CNC controlled spectacle lens edge processing machine 1 extreme can be edited exactly and without reworking into that Have the eyeglass frame inserted, according to whose data the eyeglass lens was ground.
- the center of the lens openings in the frame can be either from the CNC control of the eyeglass lens grinding machine 1 take into account arithmetically, or the handling device 13 sets not only a raw glass in the spectacle lens edge grinding machine 1 angularly with respect to the position of the axis of a cylindrical or prismatic cut or the location of a near part, but also still offset by the decentration values, so that a conversion the data of the lens shape taking into account the Decentration values are not required.
- Eyeglass lens edge processing machine 1 can also be a machine for CNC controlled processing of optical surfaces be set up with the same data to edit the optical surfaces through the computer 7 CNC-controlled performed, wherein the handling device 13 can serve the automatic transfer of the raw glass between the Spectacle lens edge processing machine and the not shown Surface processing machine.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
Description
- Eingeben der Formdaten r (γ, z) einer Brillengestellöffnung oder der Formdaten r (γ) einer Formscheibe in einen Rechner einer CNC-gesteuerten Brillenglasformbearbeitungsmaschine,
- Eingeben der persönlichen optometrischen Daten des Brillenträgers in den Rechner,
- Eingeben des Radius R1 der Vorderfläche und des Radius R2 der Rückfläche sowie der Dicke d des Rohglases oder Berechnen der Radien R1, R2 und der Dicke d des Rohglases aus den optometrischen Daten,
- Berechnen der vorderen und hinteren Randkurven des Brillenglases aus den Formdaten und den persönlichen optometrischen Daten oder aus den Formdaten und den Radien R1 und R2 sowie der Glasdicke d,
- Berechnen des räumlichen Verlaufs einer geeigneten Dachfacette auf dem Umfangsrand zwischen der entsprechend den eingegebenen Werten berechneten, vorderen oder hinteren Randkurve,
- Steuern der Bearbeitung der optischen Oberflächen und/oder des Randes mittels der Brillenglasformbearbeitungsmaschine entsprechend den Formdaten und
- Steuern der Formbearbeitung der Facette entsprechend dem berechneten räumlichen Verlauf der geeigneten Dachfacette oder
- Eingeben der Formdaten r (γ, z) einer Brillengestellöffnung oder der Formdaten r (γ) einer Formscheibe in einen Rechner einer CNC-gesteuerten Brillenglasformbearbeitungsmaschine,
- Eingeben der persönlichen optometrischen Daten des Brillenträgers in den Rechner,
- Messen der Dicke d eines Rohglases sowie der vorderen und hinteren Raumkurve des Brillenglases entsprechend den Formdaten der Brillengestellöffnung oder der Formscheibe in einer von der Brillenglasformbearbeitungsmaschine getrennten Meßvorrichtung oder
- Messen des Radius R1 der Vorderfläche und/oder des Radius R2 der Rückfläche und der Dicke d des Rohglases in einer von der Brillenglasformbearbeitungsmaschine getrennten Meßvorrichtung oder
- Messen der Dicke d des Rohglases in einer von der Brillenglasformbearbeitungsmaschine getrennten Meßvorrichtung oder mittels einer mit einer Brillenglashaltewelle in der Brillenglasformbearbeitungsmaschine zusammenwirkenden Meßvorrichtung,
- Übertragen der Meßwerte in den Rechner,
- ggf. Berechnen der vorderen und hinteren Randkurven des Brillenglases aus den Formdaten und den persönlichen optometrischen Daten oder aus den Formdaten und den Radien R1 und R2 sowie der Glasdicke d,
- Berechnen des räumlichen Verlaufs einer geeigneten Dachfacette auf dem Umfangsrand zwischen der gemessenen oder entsprechend den eingegebenen Werten berechneten, vorderen oder hinteren Randkurve,
- Steuern der Bearbeitung der optischen Oberflächen und/oder des Randes mittels der Brillenglasformbearbeitungsmaschine entsprechend den Formdaten und
- Steuern der Formbearbeitung der Facette entsprechend dem berechneten räumlichen Verlauf der geeigneten Dachfacette.
- Fig. 1
- eine schematische, perspektivische Ansicht einer Anlage zum CNC-gesteuerten Formbearbeiten von Brillengläsern und
- Fig. 2
- eine schematische, perspektivische Darstellung einer Meßvorrichtung zum Messen des Radius R1 der Vorderfläche und/oder des Radius R2 der Rückfläche und der Dicke d des Rohglases sowie ggf. der vorderen und hinteren Randkurve des Brillenglases entsprechend den Formdaten der Brillengestellöffnung oder der Formscheibe.
Claims (6)
- Verfahren zum Ermitteln des Facettenverlaufs auf dem Rand von formzubearbeitenden Brillengläsern und zum Steuern des Formbearbeitens entsprechend dem ermittelten Facettenverlauf mit den Schritten:Eingeben der Formdaten r (γ, z) einer Brillengestellöffnung oder der Formdaten r(γ) einer Formscheibe in einen Rechner einer CNC-gesteuerten Brillenglasformbearbeitungsmaschine,Eingeben der persönlichen optometrischen Daten des Brillenträgers in den Rechner,Eingeben des Radius R1 der Vorderfläche und des Radius R2 der Rückfläche sowie der Dicke d des Rohglases oder Berechnen der Radien R1, R2 und der Dicke d des Rohglases aus den optometrischen Daten,Berechnen der vorderen und hinteren Randkurven des Brillenglases aus den Formdaten und den persönlichen optometrischen Daten oder aus den Formdaten und den Radien R1 und R2 sowie der Glasdicke d,Berechnen des räumlichen Verlaufs einer geeigneten Dachfacette auf dem Umfangsrand zwischen der gemessenen oder entsprechend den eingegebenen Werten berechneten, vorderen oder hinteren Randkurve,Steuern der Bearbeitung der optischen Oberflächen und/oder des Randes mittels der Brillenglasformbearbeitungsmaschine entsprechend den Formdaten undSteuern der Formbearbeitung der Facette entsprechend dem berechneten räumlichen Verlauf der geeigneten Dachfacette.
- Verfahren zum Ermitteln des Facettenverlaufs auf dem Rand von formzubearbeitenden Brillengläsern und zum Steuern des Formbearbeitens entsprechend dem ermittelten Facettenverlauf mit den Schritten:Eingeben der Formdaten r (γ, z) einer Brillengestellöffnung oder der Formdaten r(γ) einer Formscheibe in einen Rechner einer CNC-gesteuerten Brillenglasformoearbeitungsmaschine,Eingeben der persönlichen optometrischen Daten des Brillenträgers in den Rechner,Messen der Dicke d eines Rohglases sowie der vorderen und hinteren Raumkurve des Brillenglases entsprechend den Formdaten der Brillengestellöffnung oder der Formscheibe in einer von der Brillenglasformbearbeitungsmaschine getrennten Meßvorrichtung oderMessen des Radius R1 der Vorderfläche und/oder des Radius R2 der Rückfläche und der Dicke d des Rohglases in einer von der Brillenglasformbearbeitungsmaschine getrennten Meßvorrichtung oderMessen der Dicke d des Rohglases in einer von der Brillenglasformbearbeitungsmaschine getrennten Meßvorrichtung oder mittels einer mit einer Brillenglashaltewelle in der Brillenglasformbearbeitungsmaschine zusammenwirkenden Meßvorrichtung,Übertragen der Meßwerte in den Rechner,ggf. Berechnen der vorderen und hinteren Randkurven des Brillenglases aus den Formdaten und den persönlichen optometrischen Daten oder aus den Formdaten und den Radien R1 und R2 sowie der Glasdicke d,Berechnen des räumlichen Verlaufs einer geeigneten Dachfacette auf dem Umfangsrand zwischen der gemessenen oder entsprechend den eingegebenen Werten berechneten, vorderen oder hinteren Randkurve,Steuern der Bearbeitung der optischen Oberflächen und/oder des Randes mittels der Brillenglasformbearbeitungsmaschine entsprechend den Formdaten undSteuern der Formbearbeitung der Facette entsprechend dem berechneten räumlichen Verlauf der geeigneten Dachfacette.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Messen der Radien R1, R2, der Dicke d oder der vorderen und hinteren Raumkurve mittels einer Laserstrahlmeßvorrichtung durchgeführt wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Messen der Radien R1, R2 der Dicke d mittels eines mechanischen oder eines opto-mechanischen Meßsystems im Scheitel des Rohglases durchgeführt wird.
- Verfahren nach Anspruch 1, 2, 3 oder 4, dadurch gekennzeichnet, daß das Messen der Radien R1, R2, der Dicke d oder der vorderen und hinteren Randkurve in einer automatischen Vorrichtung zum Aufnehmen und Einsetzen von Rohgläsern in die Brillenglasformbearbeitungsmaschine erfolgt.
- Brillenglasformbearbeitungsmaschine mit einer ein formzubearbeitendes Rohglas (5) einspannenden Brillenglashaltewelle (4) und einer den Zustellweg einer axial verschiebbaren Hälfte der Brillenglashaltewelle (4) zum Messen der Dicke des eingespannten Rohglases (5) aufnehmenden Meßvorrichtung (39).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702287A DE19702287C2 (de) | 1997-01-23 | 1997-01-23 | Verfahren zum Ermitteln des Facettenverlaufs auf dem Rand von formzubearbeitenden Brillengläsern und zum Steuern des Formbearbeitens entsprechend dem ermittelten Facettenverlauf |
DE19702287 | 1997-01-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0855248A1 true EP0855248A1 (de) | 1998-07-29 |
EP0855248B1 EP0855248B1 (de) | 2003-10-22 |
Family
ID=7818134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97108290A Expired - Lifetime EP0855248B1 (de) | 1997-01-23 | 1997-05-22 | Verfahren zum CNC-gesteuerten Formbearbeiten von Brillengläsern |
Country Status (3)
Country | Link |
---|---|
US (1) | US5908348A (de) |
EP (1) | EP0855248B1 (de) |
DE (2) | DE19702287C2 (de) |
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EP3575033A1 (de) * | 2018-05-31 | 2019-12-04 | Nidek Co., Ltd. | Verarbeitungssteuerungsdatenerfassungsvorrichtung, verarbeitungssteuerungsdatenerfassungsverfahren und verarbeitungssteuerungsdatenerfassungsprogramm |
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EP4101587A1 (de) | 2021-06-09 | 2022-12-14 | Carl Zeiss Vision International GmbH | Positionierungssystem und verfahren zur handhabung eines brillenglases |
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EP0961669B1 (de) * | 1997-11-20 | 2002-06-05 | ESSILOR INTERNATIONAL Compagnie Générale d'Optique | Verfahren zum ausbessern von brillengläsern und zugehörige vorrichtung |
DE19804489C2 (de) * | 1998-02-05 | 2000-06-15 | Wernicke & Co Gmbh | Brillenglasbearbeitungsmaschine |
DE19804542C5 (de) * | 1998-02-05 | 2009-04-30 | Wernicke & Co Gmbh | Verfahren und Vorrichtung zum Bearbeiten von Brillengläsern |
DE19804455C2 (de) * | 1998-02-05 | 2001-01-11 | Wernicke & Co Gmbh | Verfahren und Vorrichtung zum Herstellen einer Facette auf dem Rand eines Brillenglases |
JP3730409B2 (ja) * | 1998-05-29 | 2006-01-05 | 株式会社ニデック | 眼鏡レンズ加工装置 |
US6045438A (en) * | 1998-06-04 | 2000-04-04 | Shay; William D. | Axis block assembly for use in making prescription eyeglass lenses |
JP3778707B2 (ja) * | 1998-09-29 | 2006-05-24 | 株式会社ニデック | 眼鏡レンズ加工装置 |
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US6945848B1 (en) * | 1999-10-15 | 2005-09-20 | Kabushiki Kaisha Topcon | Lens shape data processing apparatus and lens grinding machine having the same apparatus |
DE10013648A1 (de) * | 2000-03-18 | 2001-09-27 | Wernicke & Co Gmbh | Anlage zum Formbearbeiten der Ränder von Brillengläsern |
DE10119662C2 (de) * | 2001-04-20 | 2003-04-10 | Loh Optikmaschinen Ag | Verfahren zur Randbearbeitung von optischen Linsen |
JP2004034166A (ja) * | 2002-06-28 | 2004-02-05 | Nidek Co Ltd | レンズ加工システム |
JP5028025B2 (ja) | 2006-05-02 | 2012-09-19 | 株式会社ニデック | 眼鏡レンズ周縁加工装置 |
FR2903504B1 (fr) * | 2006-07-06 | 2009-01-09 | Acep France | Procede et dipositif de mesure du galbe d'une monture de lunettes |
US8184301B2 (en) * | 2009-08-19 | 2012-05-22 | Benz Research And Development Corporation | Surface alignment and positioning method and apparatus |
FR2962676B1 (fr) * | 2010-07-13 | 2012-08-03 | Essilor Int | Procede de detourage d'une lentille ophtalmique de lunettes comportant un film de revetement. |
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US9236024B2 (en) | 2011-12-06 | 2016-01-12 | Glasses.Com Inc. | Systems and methods for obtaining a pupillary distance measurement using a mobile computing device |
US9286715B2 (en) | 2012-05-23 | 2016-03-15 | Glasses.Com Inc. | Systems and methods for adjusting a virtual try-on |
US9483853B2 (en) | 2012-05-23 | 2016-11-01 | Glasses.Com Inc. | Systems and methods to display rendered images |
US20130314401A1 (en) | 2012-05-23 | 2013-11-28 | 1-800 Contacts, Inc. | Systems and methods for generating a 3-d model of a user for a virtual try-on product |
CN108340604B (zh) * | 2017-01-25 | 2023-09-12 | 西朗自动化设备(常州)有限公司 | 隐形眼镜脱模机 |
KR20210040265A (ko) * | 2019-10-03 | 2021-04-13 | 가부시키가이샤 니데크 | 안경 렌즈 주연 가공 시스템 및 기록 매체 |
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DE4417533A1 (de) * | 1994-05-19 | 1995-12-07 | Wernicke & Co Gmbh | Verfahren zum CNC-gesteuerten Formschleifen der Dachfacette eines Brillenglases |
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FR2543039B1 (fr) * | 1983-03-22 | 1985-08-09 | Essilor Int | Procede pour le biseautage d'une lentille ophtalmique, et machine a meuler automatique correspondante |
DE8608201U1 (de) * | 1985-03-28 | 1986-07-31 | LGZ Landis & Gyr Zug AG, Zug | Datenkarte |
FR2582975B1 (fr) * | 1985-06-10 | 1987-08-28 | Briot Int | Appareil pour centrer et poser un adaptateur sur une ebauche de verre optique et pour commander une rectifieuse |
DE3842601A1 (de) * | 1988-12-17 | 1990-07-05 | Wernicke & Co Gmbh | Brillenglasrandschleifmaschine |
US5053971A (en) * | 1989-08-30 | 1991-10-01 | Gerber Optical, Inc. | Method and apparatus for edging an optical lens |
JP2918657B2 (ja) * | 1990-08-09 | 1999-07-12 | 株式会社ニデック | 眼鏡レンズ研削加工機 |
DE4208835A1 (de) * | 1992-03-19 | 1993-09-30 | Wernicke & Co Gmbh | Verfahren zum Formschleifen des Umfangs eines Brillenglases |
US5512004A (en) * | 1993-06-08 | 1996-04-30 | Coburn Optical Industries, Inc. | Lens edging machine bevel control process |
-
1997
- 1997-01-23 DE DE19702287A patent/DE19702287C2/de not_active Expired - Fee Related
- 1997-05-22 EP EP97108290A patent/EP0855248B1/de not_active Expired - Lifetime
- 1997-05-22 DE DE59710887T patent/DE59710887D1/de not_active Expired - Lifetime
- 1997-10-31 US US08/962,069 patent/US5908348A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3827122A1 (de) * | 1988-08-10 | 1990-02-15 | Wernicke & Co Gmbh | Verfahren und vorrichtung zum randschleifen eines brillenglases |
EP0679473A1 (de) * | 1994-04-28 | 1995-11-02 | Wernicke & Co. GmbH | Anlage zum Schleifen wenigstens des Umfangsrandes von Brillengläsern |
DE4417533A1 (de) * | 1994-05-19 | 1995-12-07 | Wernicke & Co Gmbh | Verfahren zum CNC-gesteuerten Formschleifen der Dachfacette eines Brillenglases |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2878971A1 (fr) * | 2004-12-03 | 2006-06-09 | Essilor Int | Procede et dispositif de preparation automatique au montage d'une lentille ophtalmique |
EP3575033A1 (de) * | 2018-05-31 | 2019-12-04 | Nidek Co., Ltd. | Verarbeitungssteuerungsdatenerfassungsvorrichtung, verarbeitungssteuerungsdatenerfassungsverfahren und verarbeitungssteuerungsdatenerfassungsprogramm |
CN109580190B (zh) * | 2018-10-18 | 2020-06-12 | 中国航天员科研训练中心 | 一种成套舱外航天服锁闭机构测试的模拟装置 |
EP4101587A1 (de) | 2021-06-09 | 2022-12-14 | Carl Zeiss Vision International GmbH | Positionierungssystem und verfahren zur handhabung eines brillenglases |
Also Published As
Publication number | Publication date |
---|---|
DE19702287A1 (de) | 1998-08-06 |
DE19702287C2 (de) | 1999-02-11 |
EP0855248B1 (de) | 2003-10-22 |
DE59710887D1 (de) | 2003-11-27 |
US5908348A (en) | 1999-06-01 |
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