EP0758571B1 - Procédé et outil pour la réalisation d'une surface concave dans une ébauche de verre à lunette - Google Patents

Procédé et outil pour la réalisation d'une surface concave dans une ébauche de verre à lunette Download PDF

Info

Publication number
EP0758571B1
EP0758571B1 EP96112436A EP96112436A EP0758571B1 EP 0758571 B1 EP0758571 B1 EP 0758571B1 EP 96112436 A EP96112436 A EP 96112436A EP 96112436 A EP96112436 A EP 96112436A EP 0758571 B1 EP0758571 B1 EP 0758571B1
Authority
EP
European Patent Office
Prior art keywords
tool
workpiece
axis
edge
axes
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.)
Expired - Lifetime
Application number
EP96112436A
Other languages
German (de)
English (en)
Other versions
EP0758571B8 (fr
EP0758571B2 (fr
EP0758571A1 (fr
Inventor
Joachim Diehl
Ronald Lautz
Karl-Heinz Tross
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Satisloh GmbH
Original Assignee
Loh Optikmaschinen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7769391&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0758571(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Loh Optikmaschinen AG filed Critical Loh Optikmaschinen AG
Publication of EP0758571A1 publication Critical patent/EP0758571A1/fr
Publication of EP0758571B1 publication Critical patent/EP0758571B1/fr
Application granted granted Critical
Publication of EP0758571B2 publication Critical patent/EP0758571B2/fr
Publication of EP0758571B8 publication Critical patent/EP0758571B8/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/06—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses, the tool or work being controlled by information-carrying means, e.g. patterns, punched tapes, magnetic tapes
    • 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
    • B24B11/00—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/303752—Process
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/303752—Process
    • Y10T409/303808—Process including infeeding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/304536—Milling including means to infeed work to cutter
    • Y10T409/305544—Milling including means to infeed work to cutter with work holder
    • Y10T409/305656—Milling including means to infeed work to cutter with work holder including means to support work for rotation during operation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/306664—Milling including means to infeed rotary cutter toward work
    • Y10T409/307448—Milling including means to infeed rotary cutter toward work with work holder

Definitions

  • the invention relates to a method for generating a concave surface from a lens blank, accordingly the preamble of claim 1, and also includes tools to carry out the process on hard and brittle Plastic existing eyeglass lens blanks.
  • the invention has for its object a method of im
  • the task of the invention also includes the provision of tools particularly suitable for carrying out the process.
  • the task is given by the features of the claim 1 solved.
  • Advantageous further developments of the method are specified in subclaims 2 to 5 and below also explained in more detail.
  • Especially for the execution of the procedure suitable tools are specified in claims 6 and 7, of which claim 6, the tool training for brittle hard Materials and claim 7, the tool training for plastic materials includes.
  • the grooving process involves very high machining or Grinding performance possible, so that the majority of the to be removed Blank material is quickly removed.
  • the continuously the piercing or immersion process saves you from having to the known method necessary multiple cuts in the case thick lens blanks.
  • Already during the grooving process achieves a surface at least in the area of the outer edge, that of the target outer contour of the optically effective inner lens surface equivalent.
  • the method according to the invention enables the generation of high accuracy Surfaces.
  • everyone in the Spectacle lens optics are generated, namely toric, prismatic, decentered, multifocal or atoric Surfaces on glasses and plastics.
  • Claim 2 integrated an edge processing process, which does not only thin, comfortable glasses can be made, but for the later fitting of the glasses into the glasses frame also a reduction in working hours with less tool wear reached on the side of the eyewear manufacturer.
  • the advantage for the process user is that a lower one Stock of semi-finished glasses with different Diameters is made possible.
  • the workpiece circumferential edge is provided with a facet should, can also be a faceting operation according to claim 4 be switched on in the procedure, so that when making of a border machining process a total of four immediately consecutive Operations with only one clamping or Blocking of the workpiece can be carried out on this.
  • this angle is set to 105 ° according to claim 5, i.e. when the workpiece axis b is arranged vertically, the tool axis c to the horizontal at an angle of only 15 ° sloping. At this angle, it can while performing the grinding or milling process, even with very strongly concave curved eyeglass lens surfaces do not cause a collision between the tool spindle or the tool shaft and the lens rim come.
  • the grinding tool specified in claim 6 for implementation is due to the procedure on a brittle hard lens blank the special design of the grinding lip is very advantageous, because the cutting edge geometry remains constant even with wear remains. Only the diameter of the tool increases due to wear from what is easily measured by measuring the thickness of the ground Glasses and subsequent accounting in the control program can be compensated.
  • the milling tool according to claim 7 for performing the method is on a plastic eyeglass lens blank with regard to its Rotational form disc-shaped, with individual milling cutters are distributed around the circumference.
  • the cutting performance this milling tool, in which the cutting edges give a shape Defining the toric envelope is high.
  • the service life of the cutting edges can advantageously be increased, if the cutting inserts of the milling tool that have the cutting edges are rotatably attached according to claim 8. On this way, several areas of the cutting plates can be moved in succession be turned into a working position before the Replacing inserts for wear or their Rework outer diameter.
  • the tool 2 is coaxial with a spindle 4 via a shaft 3 attached, rotating via an electric motor 5 and in the Speed is driven adjustable.
  • the workpiece 1 is on one Blocked workpiece holder 6, which is concentric on a spindle 7 is attached.
  • the spindle 7 is driven by a servo motor 8 numerically controlled rotatably driven.
  • Workpiece 1, tool holder 6, spindle 7 and motor 8 and all associated unspecified parts are on one Coordinate device attached to the machine and can therefore together on mutually perpendicular linear movement axes x and y are moved.
  • the common central axis of parts 1, 6, 7 and 8 coincides with the rotational movement axis b of the workpiece 1 together.
  • the tool 2, the shaft 3, the spindle 4 and the motor 5 common central axis coincides with the rotational movement axis c of tool 2 and a tool setting axis z (Fig. 1) together.
  • the linear movement axes x, y and the rotational movement axis b are CNC-controlled, while the Rotational movement axis c is only adjustable in speed.
  • the axis z only serves the one shifting on the rotational movement axis c Tool setting 2. Since all CNC axes in the Workpiece spindle are combined, there is a simple loading. The workpiece can be in a defined loading and unloading position be driven, so that even simple handling devices can be used for automatic workpiece change.
  • the tool spindle 4 with the attached tool 2 and the associated electric motor 5 as well as all other associated Parts not specified can be retained of the design angle ⁇ for adjusting the tool 2 onto the center of the workpiece 1 perpendicular to the x movement axis be adjusted.
  • the above are adjustable parts via a support arm 9 with a guide carriage 10 rigidly connected in the specified direction of adjustment slidably mounted on a guide bed 11 of the machine is. Between the guide carriage 10 and the guide bed 11 is effective for adjusting a threaded spindle 12, the on the one hand rotatable but axially immovable on the guide bed 11 is stored and on the other hand in a corresponding thread of the Guide carriage 10 engages.
  • the grinding tool is disc-shaped with an annular grinding lip on its periphery 13 trained. From the front of the asymmetrically trained Starting from the grinding lip 13, its radius increases towards the spindle 4, with its largest radius in a circular shaping cutting edge 14 runs out.
  • the process is this shaping cutting edge on the workpiece so that they are approximately radial to the center of the workpiece is directed.
  • the one on the spindle side the rear edge 15 of the grinding lip 13 opening the cutting edge 14 is taking into account the design angle ⁇ designed so that the rear surface to the tool rotation axis c runs at the angle ⁇ .
  • the deepest Point 16 is always in the plane of the two linear ones Movement axes x and y. This is in a comparison 3 and 4 clearly.
  • the cutting edge 14 is always through determines the largest radius of the grinding lip and is also at progressive tool wear always approximately radial to the center of the workpiece. 4 is next to that in full lines shown wear contour also the new contour of the Tool drawn in dashed lines. Based on these The cutting edge is sharpened due to the special tool geometry during the grinding process itself, so that the shape is not impaired for the surface to be processed. The reduction of the cutting edge radius due to wear can easily be taken into account in the machine's computer program become.
  • the grinding material of the grinding lip 13 consists of finely divided Diamond particles.
  • the grinding lip 13 either made of sintered material, in which the diamond particles are embedded, or the finely divided diamond particles are galvanically bonded to the ring-shaped grinding lip 13 applied.
  • the milling tool 2 'is relative its rotational shape is disc-shaped.
  • At the outer ends of the support arms 17 are in diameter matching inserts 19 attached.
  • the ring edges 20 of the cutting inserts 19 are radial to the axis of rotation c of the milling tool 2 'aligned and define a shape toric envelope, indicated by dashed lines in Fig. 5 is indicated.
  • the toric envelope is related to it from its largest radius, the plane is approximately radial to Center of the workpiece.
  • the lowest point 16 'of the shaping toric envelope surface always in the plane of the two linear axes of movement x and y.
  • Fig. 6 it is shown that the cutting inserts 19 on the holding arms 17 each secured by a central screw 21 are. With the help of screw 21, the set rotational position the insert 19 fixed on the holding arm 17. As in Fig. 6 is indicated by the angular dimension ⁇ , from the circumference the cutting edge 20 for the milling process only an angle of about 90 ° used, i.e. only about a quarter of the circumference of the ring cutting edge is used for the milling process. This means that the Inserts 19 after wear of the first ring cutting sector can be turned three times to a new position.
  • the blocked workpiece 1 is first by lateral displacement approached tool 2 on the x-axis, whereupon the Workpiece 1 on the y-axis compared to the one that always remains stationary Tool 2 is moved until the workpiece 1 itself is located approximately at the same level as the tool axis and the Edge of the workpiece touches the circular cutting edge 14. in this connection is rotated around the respective tool and workpiece Rotational movement axes c or b material removed from the workpiece edge.
  • the x-axis and continuous infeed on the y-axis now a processing of the lens blank on the by the Spectacle frame shape predetermined circumferential contour made. at the workpiece 1 is fed on the y-axis Tool attack on the edge of the workpiece, for example in the manner of a helix.
  • step sequence is under constant rotation of workpiece and tool around the associated Rotational axes the workpiece 1 compared to the tool 2 at Grooving operation through coordinated, program-controlled movement shifted further on the x and y axes until the tool and workpiece approximately assume the relative position shown in FIG. 10.
  • the bulk of the blank material to be removed is one adapted as much as possible to the surface to be produced annular trough-shaped surface 23 was created.
  • a method of creating a surface from a Spectacle lens blank described for both brittle hard materials is also suitable for plastics.
  • a Disc-shaped, rotationally symmetrical tool relatively large diameter used, with the help of at least two operations, one grooving operation and one shaping operation with material removal along a spiral path, the blank material to be removed with high Grinding or milling performance is removed.
  • the result is from the last work step a spiral from the outside machining path running inwards with low residual tip height with a relatively large tip distance.
  • the surface created requires only minor finishing and polishing post-processing.
  • the process can be both based on the shape of the glasses adapting edge processing as well as a Eyeglass lens be integrated faceting operation. Farther become tools for carrying out the grinding or milling process proposed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Milling Processes (AREA)

Claims (8)

  1. Procédé pour réaliser une surface concave sur une ébauche de verre à lunettes (pièce à oeuvrer), qui correspond déjà largement à la surface intérieure finie du verre à lunettes, au moyen d'un outil de fraisage ou de meulage, dans lequel la pièce à oeuvrer bloquée et l'outil sont guidés avec faculté de déplacement relatif l'un par rapport à l'autre dans un processus d'usinage à commande numérique avec deux axes de déplacement linéaire (axe x et axe y) et deux axes de mouvement de rotation disposés sous un angle (α) l'un par rapport à l'autre, l'un étant associé à la pièce (axe b) et l'autre étant associé à l'outil (axe c), dans lequel pour la conformation de la surface, l'enlèvement de matière est exécuté le long d'un trajet en forme de spirale sur la surface en déplaçant de façon commandée l'outil et la pièce l'un par rapport à l'autre le long des axes x, y et b, et l'on utilise comme outil un outil à symétrie de révolution en forme de disque qui est agencé de telle manière que le point le plus profond (16, 16') de l'outil se trouve, par référence à la pièce, dans un plan défini par les axes b et x, caractérisé en ce qu'avant l'enlèvement de matière le long du trajet en forme de spirale, on procède à une passe de travail en plongée dans laquelle la pièce est mise en rotation autour de son axe (b) et l'outil est déplacé au moins en direction de l'axe y, jusqu'à ce que l'on obtienne une surface en forme de sillon annulaire adapté à la surface concave à réaliser au moins dans la région de la bordure extérieure de la pièce, de sorte qu'au moins dans la région de la bordure extérieure la surface réalisée sur la pièce correspond au contour extérieur de consigne de la surface intérieure active sur le plan optique du verre à lunettes.
  2. Procédé selon la revendication 1, caractérisé en ce qu'avant la passe de travail en plongée, la bordure du verre à lunette est usinée lors d'une opération d'usinage de bordure en vue de l'adaptation au contour de la monture de lunettes, dans laquelle l'outil et la pièce sont tout d'abord rapprochés par mouvement latéral relatif le long de l'axe x, suite à quoi l'outil et la pièce sont déplacés l'un vers l'autre par déplacement relatif le long de l'axe y, jusqu'à ce que la pièce se trouve approximativement à même hauteur que l'axe de l'outil, et la bordure de la pièce est tangente à l'arête de taille de forme circulaire de l'outil, de sorte que lors d'une rotation de l'outil et de la pièce autour des axes de déplacement de rotation respectif (axes b et c) de la matière est enlevée depuis la bordure de la pièce, et par un mouvement latéral relatif le long de l'axe x et une approche continue le long de l'axe y, on procède à un usinage de l'ébauche de verre à lunettes au contour périphérique imposé par la forme de la monture de lunettes.
  3. Procédé selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce que l'on procède en une seule prise de la pièce à l'opération d'usinage de bordure, à la passe de plongée, et à l'usinage le long du trajet de forme spiralée, en succession continue.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce qu'avant la passe de plongée et le cas échéant après l'opération d'usinage de bordure, l'arête périphérique supérieure de la pièce est facettée au moyen de l'outil, la passe de travail de réalisation des facettes étant exécutée en succession continue avec les autres opérations de travail.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que l'angle (α) entre l'axe de la pièce (b) et l'axe de l'outil (c) s'élève 105° pendant toutes les opérations.
  6. Outil de meulage en forme de disque comportant une lèvre de meulage de forme annulaire pour mise en oeuvre du procédé selon les revendications 1 à 5 afin de réaliser une surface concave sur une ébauche de verre à lunettes dure et cassante, caractérisé en ce que la lèvre de meulage (13) sur l'outil (2) est réalisée de manière asymétrique et se termine par son plus grand rayon en une arête de taille (14) de conformation en forme circulaire, et ce que la surface postérieure (15) de l'outil (2), détournée de la lèvre de meulage (13) et se terminant dans l'arête de taille (14), s'étend par rapport à l'axe de rotation de l'outil (c) sous l'angle (α) défini entre l'axe de rotation de la pièce (b) et l'axe de rotation de l'outil (c).
  7. Outil de fraisage pour mettre en oeuvre le procédé selon les revendications 1 à 5 afin de réaliser une surface concave sur une ébauche de verre à lunettes en matière plastique, caractérisé en ce que, vis-à-vis de sa forme de révolution, il est réalisé en forme de disque et pourvu d'une pluralité de bras de maintien (17) répartis régulièrement à la périphérie, aux extrémités extérieures desdits bras étant fixées des plaquettes de coupe (19) qui sont orientées radialement par rapport à l'axe de rotation (c) de l'outil de fraisage (2'), et dont les tranchants (20) définissent une surface enveloppe de conformation toroïdale.
  8. Outil de fraisage selon la revendication 7, caractérisé en ce que les plaquettes de coupe (19) sont capables de tourner autour de leur centre, et susceptibles d'être fixées dans la position de rotation respective sur les bras de maintien (17).
EP96112436A 1995-08-12 1996-08-01 Procédé pour la réalisation d'une surface concave dans une ébauche de verre à lunette Expired - Lifetime EP0758571B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19529786 1995-08-12
DE19529786A DE19529786C1 (de) 1995-08-12 1995-08-12 Verfahren und Werkzeug zur Erzeugung einer konkaven Oberfläche an einem Brillenglasrohling

Publications (4)

Publication Number Publication Date
EP0758571A1 EP0758571A1 (fr) 1997-02-19
EP0758571B1 true EP0758571B1 (fr) 2002-01-16
EP0758571B2 EP0758571B2 (fr) 2005-09-07
EP0758571B8 EP0758571B8 (fr) 2005-11-23

Family

ID=7769391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96112436A Expired - Lifetime EP0758571B8 (fr) 1995-08-12 1996-08-01 Procédé pour la réalisation d'une surface concave dans une ébauche de verre à lunette

Country Status (4)

Country Link
US (2) US5938381A (fr)
EP (1) EP0758571B8 (fr)
DE (2) DE19529786C1 (fr)
ES (1) ES2171580T5 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7153184B2 (en) 2002-10-25 2006-12-26 Carl Zeiss Vision Gmbh Method and apparatus for producing optical glasses
WO2023046937A1 (fr) 2021-09-24 2023-03-30 Satisloh Ag Procédé d'usinage de pièces optiques, en particulier de verres de lunettes en matière plastique
DE102021005202A1 (de) 2021-10-19 2023-04-20 Satisloh Ag Aufnahme für die Bearbeitung von optischen Werkstücken, insbesondere Brillenlinsen

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6170367B1 (en) * 1998-09-09 2001-01-09 John R. Keller Single-point flexure toric contact lens forming machine and method
AT407353B (de) * 1998-11-30 2001-02-26 Weingartner Maschbau Gmbh Verfahren und bearbeitungswerkzeug zum herstellen schraubenförmig profilierter werkstücke
JP2001018108A (ja) * 1999-07-05 2001-01-23 Canon Inc 回折光学格子素子形状の加工方法及び回折光学格子素子形状を成形する金型の加工方法
AU2001230943A1 (en) * 2000-01-18 2001-07-31 Ncrx Optical Solutions, Inc System and method for ophthalmic lens manufacture
WO2001060553A1 (fr) * 2000-02-16 2001-08-23 Seiko Epson Corporation Procede de fabrication de verres de lunettes, et outil de polissage
FR2805767B1 (fr) * 2000-03-06 2002-06-21 Essilor Int Procede de fabrication d'une surface d'une lentille ophtalmique, installation de mise en oeuvre du procede et lentille ophtalmique obtenue selon le procede
IL136364A0 (en) * 2000-05-25 2001-06-14 Avikzar Yehuda Device for exact machining
JP4374161B2 (ja) * 2001-08-17 2009-12-02 セイコーオプティカルプロダクツ株式会社 光学レンズ又はその金型の切削加工方法
DE10143848C2 (de) * 2001-09-06 2003-10-02 Loh Optikmaschinen Ag Verfahren und Vorrichtung zur Flächenbearbeitung von Werkstücken aus nicht-sprödharten Materialien in der Optikfertigung sowie Werkzeug dafür
DE10218039A1 (de) * 2002-04-23 2003-11-13 Zeiss Carl Bearbeitungskopf zur Oberflächenbearbeitung
US20040116058A1 (en) * 2002-12-13 2004-06-17 Eastman Kodak Company Sub-aperture compliant toroidal polishing element
US6726413B1 (en) * 2002-12-16 2004-04-27 Goodrich Corporation Contour plunge milling
AU2004220409A1 (en) 2003-03-11 2004-09-23 Optotech Optikmaschinen Gmbh Method and device for producing ophthalmic lenses and other shaped bodies with optically active surfaces
JP2005131724A (ja) * 2003-10-29 2005-05-26 Seiko Epson Corp 非球面加工方法、非球面形成方法及び非球面加工装置
DE102004028544B4 (de) * 2004-01-17 2012-01-12 Asphericon Gmbh Verfahren zur Bearbeitung und Vermessung von rotationssymmetrischen Werkstücken sowie Schleif- und Polierwerkzeug
US7118449B1 (en) * 2004-09-20 2006-10-10 Carl Zeiss Smt Ag Method of manufacturing an optical element
FR2883215B1 (fr) * 2005-03-17 2008-11-07 Essilor Int Procede d'usinage d'une face de lentille optalmique prismee au centre
DE102005021640B4 (de) 2005-05-06 2007-08-09 Satisloh Gmbh Maschine zur Bearbeitung von optischen Werkstücken, insbesondere von Kunststoff-Brillengläsern
DE102005021639A1 (de) * 2005-05-06 2006-11-09 Satisloh Gmbh Hochleistungs-Fräs- und Drehmaschine sowie Verfahren zur Bearbeitung von Brillengläsern
DE102005038063A1 (de) 2005-08-10 2007-02-15 Schneider Gmbh + Co. Kg Vorgeformtes Blockstück mit drei Auflagepunkten
US7390242B2 (en) * 2005-08-29 2008-06-24 Edge Technologies, Inc. Diamond tool blade with circular cutting edge
DE102005052314A1 (de) * 2005-11-01 2007-05-03 Satisloh Gmbh Fast-Tool-Anordnung, insbesondere für Drehmaschinen zur Bearbeitung von optischen Werkstücken
US7861626B2 (en) * 2005-12-22 2011-01-04 Hoya Corporation Lens surface cutting apparatus and lens surface cutting method for spectacle lens, and spectacle lens
US7793403B2 (en) * 2005-12-27 2010-09-14 Konica Minolta Opto, Inc. Manufacturing method of optical component or molding die therefor
DE602006002724D1 (de) * 2006-05-12 2008-10-23 Satisloh Gmbh Verfahren und Vorrichtung für das Erzeugen einer optischen Oberfläche auf einem Werkstück, z.B. Ophthalmischen Linsen
DE102006026524A1 (de) * 2006-06-06 2007-12-13 Satisloh Ag Maschine zur Bearbeitung von optischen Werkstücken, insbesondere von Kunststoff-Brillengläsern
FR2902683B1 (fr) * 2006-06-22 2008-10-10 Essilor Int Procede et machine d'usinage pour objet optique.
JP5401757B2 (ja) * 2006-11-30 2014-01-29 株式会社ジェイテクト 加工装置
DE102007031703A1 (de) * 2007-07-06 2009-01-08 Satisloh Gmbh Maschine zur Bearbeitung von optischen Werkstücken, insbesondere von Kunststoff-Brillengläsern
ATE494098T1 (de) * 2008-02-25 2011-01-15 Satisloh Ag Blockstück zum halten eines optischen werkstücks, insbesondere eines brillenglases, zu dessen bearbeitung und verfahren zur herstellung von brillengläsern entsprechend einem rezept
ATE518622T1 (de) * 2008-06-26 2011-08-15 Satisloh Ag Verfahren zur herstellung von brillenlinsen nach rezept
US8460060B2 (en) * 2009-01-30 2013-06-11 Smr Patents S.A.R.L. Method for creating a complex surface on a substrate of glass
CN102120305A (zh) * 2010-12-23 2011-07-13 山西力天世纪刀具有限公司 一种用于加工金刚石球形面的磨床
DE102011014230A1 (de) * 2011-03-17 2012-09-20 Satisloh Ag Vorrichtung zur Feinbearbeitung von optisch wirksamen Flächen an insbesondere Brillengläsern
FR2982785B1 (fr) 2011-11-22 2013-12-20 Essilor Int Procede d'obtention d'une lentille ophtalmique
DE102012004547A1 (de) 2012-03-10 2013-09-12 Satisloh Ag Vorrichtung zur Feinbearbeitung von optisch wirksamen Flächen an insbesondere Brillengläsern und flexible Fertigungszelle umfassend eine solche Vorrichtung
DE102012004543A1 (de) 2012-03-11 2013-09-12 Satisloh Ag Maschine zur Bearbeitung von optischen Werkstücken, insbesondere von Kunststoff-Brillengläsern
LU92190B1 (en) 2013-05-06 2014-11-07 Satisloh Gmbh Multi part blocking piece
LU92191B1 (en) 2013-05-06 2014-11-07 Satisloh Gmbh Multimaterial block piece
WO2014197551A2 (fr) * 2013-06-07 2014-12-11 3M Innovative Properties Company Procédé de formation d'un évidement dans un substrat, meule abrasive, et couvercle
DE102014003598B4 (de) * 2014-03-17 2020-02-27 Satisloh Ag Vorrichtung zum Schleifen, Feinschleifen und/oder Polieren von Werkstücken in optischer Qualität, insbesondere von sphärischen Linsenflächen in der Feinoptik
EP2963458B1 (fr) 2014-07-05 2022-02-02 Satisloh AG Ébauche de lentille comportant un revêtement de préhension temporaire pour un procédé de verres de lunettes selon une prescription
EP3200954B1 (fr) * 2014-10-03 2020-12-09 Zeeko Innovations Limited Outil et procédé de mise en forme et de finition d'une pièce
EP3009230B1 (fr) 2014-10-15 2021-01-13 Satisloh AG Unité de blocage pour une pièce de blocage pour un verre de lunettes et procédé de durcissement
USD785339S1 (en) * 2014-10-23 2017-05-02 Griot's Garage, Inc. Hand applicator buffing pad
MX2017016459A (es) * 2015-06-29 2019-05-30 Kanefusa Knife & Saw Metodo de procesamiento de indentaciones por medio de fresado de extremos.
EP3542956A1 (fr) 2018-03-23 2019-09-25 Carl Zeiss Vision International GmbH Procédé de fabrication de lentilles de lunettes selon une ordonnance
CN109014352A (zh) * 2018-05-25 2018-12-18 常州星宇车灯股份有限公司 一种透镜微条纹的加工方法和带微条纹的透镜
JP7171131B2 (ja) * 2018-08-29 2022-11-15 株式会社ディスコ 被加工物の研削方法
CN110900319B (zh) * 2019-12-04 2021-06-22 南阳利达光电有限公司 一种光学零件修模的修正方法
CN114633030B (zh) * 2022-02-24 2024-03-26 江门金鸿桦烨电子科技有限公司 一种镜片加工方法

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2231900A (en) † 1938-08-30 1941-02-18 Arthur J Geoffrion Abrading device
US3212405A (en) * 1963-07-24 1965-10-19 Helen Sue Smith Method for cutting internal spherical surfaces
US3374586A (en) * 1965-05-03 1968-03-26 Textron Inc Lens-grinding wheel
US3704554A (en) * 1971-04-26 1972-12-05 Bausch & Lomb Lens processing machine with movable workpiece spindle
JPS5321159B2 (fr) * 1972-07-17 1978-06-30
US3866358A (en) * 1973-08-02 1975-02-18 Itek Corp Method and apparatus for generating toroidal surfaces
US3902277A (en) * 1974-04-01 1975-09-02 Itek Corp Method and apparatus for generating toric surfaces by the use of a peripheral surfacing tool
US4271636A (en) * 1979-09-21 1981-06-09 American Optical Corporation Lens generating apparatus
US4271633A (en) * 1977-12-23 1981-06-09 U.S. Product Development Company Molding for vehicle door edges
US4177699A (en) † 1978-06-21 1979-12-11 Dovnar Stanislav A Method of machining end faces
DE3034788A1 (de) * 1979-09-20 1981-04-02 Ewag AG, Maschinen- und Werkzeugfabrik, Solothurn Universal-schleifmaschine
DE3125915A1 (de) * 1981-07-01 1983-01-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum herstellen einer vorratskathode und vorrichtung zur durchfuehrung des verfahrens
US4680998A (en) * 1984-08-28 1987-07-21 Bausch & Lomb Incorporated Toric lenses, method and apparatus for making same
US4574527A (en) * 1984-10-05 1986-03-11 Craxton Robert S Toric lens generating
US4862646A (en) † 1986-01-28 1989-09-05 Laser Magnetic Storage International Company Apparatus and method for production of single element toric lenses of very small proportions
US4760672A (en) * 1986-12-10 1988-08-02 Corning Glass Works Simultaneously grinding and polishing preforms for optical lenses
US4989316A (en) * 1987-03-09 1991-02-05 Gerber Scientific Products, Inc. Method and apparatus for making prescription eyeglass lenses
US4856234A (en) * 1988-02-26 1989-08-15 Research Machine Center, Inc. Optical lens manufacturing apparatus and method
US4866884A (en) * 1988-09-09 1989-09-19 Coburn Optical Industries, Inc. Lens grinding methods and apparatus
US5217335A (en) * 1990-04-24 1993-06-08 National Optronics, Inc. Plastic lens generator and method
JPH05508355A (ja) * 1990-07-12 1993-11-25 ロー、オプティカル、マシーナリー、インコーポレーテッド コンピュータ制御レンズ面形成装置
US5231587A (en) * 1990-07-12 1993-07-27 Loh Optical Machinery, Inc. Computer controlled lens surfacer
JP3026824B2 (ja) * 1990-07-31 2000-03-27 株式会社メニコン 非球面レンズの製造装置
DE4221377A1 (de) † 1991-07-01 1993-01-07 Wernicke & Co Gmbh Verfahren zur herstellung eines gerandeten brillenglases
WO1993001024A1 (fr) † 1991-07-01 1993-01-21 Wernicke & Co. Procede de fabrication de verres cercles de lunettes
FR2681546B1 (fr) * 1991-09-20 1995-12-08 Essilor Int Procede et machine d'usinage a commande numerique multi-axe.
US5320006A (en) * 1991-09-27 1994-06-14 Coburn Optical Industries, Inc. Methods and apparatus for producing ophthalmic lenses
US5485771A (en) * 1991-09-27 1996-01-23 Coburn Optical Industries, Inc. Apparatus for generating ophthalmic products from blanks and a method of operating same
DE4210381A1 (de) * 1992-03-30 1993-10-14 Seiko Epson Corp Verfahren und Vorrichtung zum Bilden einer nichtachsensymmetrischen asphärischen Fläche
DE9303054U1 (de) * 1993-03-03 1994-04-07 Pokolm, Franz-Josef, 33428 Harsewinkel Kopierfräser
BE1008917A3 (fr) * 1994-11-16 1996-10-01 Diamant Boart Sa Outil abrasif, de coupe ou analogue et procede de fabrication de cet outil.
FR2741560B1 (fr) * 1995-11-23 1998-02-06 Briot Int Meule perfectionnee pour verres ophtalmiques, et machine de meulage correspondante
US5720649A (en) * 1995-12-22 1998-02-24 Gerber Optical, Inc. Optical lens or lap blank surfacing machine, related method and cutting tool for use therewith
US5888129A (en) * 1996-05-15 1999-03-30 Neff; Charles E. Grinding wheel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7153184B2 (en) 2002-10-25 2006-12-26 Carl Zeiss Vision Gmbh Method and apparatus for producing optical glasses
US7255628B2 (en) 2002-10-25 2007-08-14 Carl Zeiss Vision Gmbh Method and apparatus for producing optical glasses
US7338346B2 (en) 2002-10-25 2008-03-04 Carl Zeiss Vision Gmbh Method and apparatus for producing optical glasses
WO2023046937A1 (fr) 2021-09-24 2023-03-30 Satisloh Ag Procédé d'usinage de pièces optiques, en particulier de verres de lunettes en matière plastique
DE102021004831A1 (de) 2021-09-24 2023-03-30 Satisloh Ag Verfahren zur spanenden bearbeitung von optischen werkstücken, insbesondere brillenlinsen aus kunststoff
DE102021005202A1 (de) 2021-10-19 2023-04-20 Satisloh Ag Aufnahme für die Bearbeitung von optischen Werkstücken, insbesondere Brillenlinsen
WO2023066824A1 (fr) 2021-10-19 2023-04-27 Satisloh Ag Dispositif de retenue en vue du traitement de pièces optiques à travailler, en particulier de verres de lunettes

Also Published As

Publication number Publication date
ES2171580T3 (es) 2002-09-16
US6227952B1 (en) 2001-05-08
DE59608585D1 (de) 2002-02-21
DE19529786C1 (de) 1997-03-06
US5938381A (en) 1999-08-17
EP0758571B8 (fr) 2005-11-23
MX9603307A (es) 1997-07-31
EP0758571B2 (fr) 2005-09-07
EP0758571A1 (fr) 1997-02-19
ES2171580T5 (es) 2006-03-16

Similar Documents

Publication Publication Date Title
EP0758571B1 (fr) Procédé et outil pour la réalisation d'une surface concave dans une ébauche de verre à lunette
EP2823924B1 (fr) Machine à dresser double
DE102006061759B4 (de) Verzahnungsschleifmaschine und Verfahren zum Schleifen eines Werkstücks
EP1291106B1 (fr) Méthode et appareil pour le machinage de surface de pièces en matériaux non fragiles dans la fabrication d'optiques, et outil associé
EP2326449B1 (fr) Outil de dressage et procede pour le dressage d'un outil de meulage
EP1719585B1 (fr) Machine destinée au traitement de pièces optiques, nominalement de verres de lunettes en plastique
DE10235808B4 (de) Verfahren und Vorrichtung zum Schleifen eines mit einer Längsbohrung versehenen rotationssymmetrischen Maschinenbauteils
DE10308292B4 (de) Verfahren zum Rundschleifen bei der Herstellung von Werkzeugen aus Hartmetall und Rundschleifmaschine zum Schleifen von zylindrischen Ausgangskörpern bei der Herstellung von Werkzeugen aus Hartmetall
EP2046528B1 (fr) Procédé pour meuler une plaque de coupe amovible et plaque de coupe pour mettre en uvre le procédé de meulage
EP1422005B1 (fr) Procédé et dispositif pour l'usinage du bord de lentilles ophtalmiques en plastique
EP1427568A1 (fr) Procede et dispositif pour polir des points d'appui centraux de vilebrequins
WO2000067947A1 (fr) Procede de meulage de surfaces de roulement convexes et de diametres exterieurs, sur des pieces a usiner ondulees, dans un serrage, ainsi que meuleuse destinee a la mise en oeuvre de ce procede
EP1037727B1 (fr) Machine d'usinage de bord de verre de lunettes
EP1144138B1 (fr) Procede pour meuler au moins une face d'une lame utilisee dans la technique d'enlevement de copeaux, mise en oeuvre de ce procede et meule pour la mise en oeuvre dudit procede
DE4107462C2 (de) Werkzeugmaschine zur spanabhebenden Bearbeitung von Werkstücken
EP0727280B1 (fr) Appareil pour polir des lentilles sphériques
DE3520521C2 (fr)
EP1080843A2 (fr) Procédé et dispositif pour dressage par commande numérique de la roue de régulation d'une rectifieuse "sans centre"
DE4120003C2 (fr)
DE10113301B4 (de) Verfahren und Vorrichtung zum Hinterschleifen der Schneidzähne von zylindrisch oder kegelig geformten Abwalzfräsern sowie Abwalzfräser
EP0841116A2 (fr) Méthode de travail de surfaces de pièces symétriques en rotation et outil employé
DE10126796C5 (de) Verfahren und Vorrichtung zum spitzenlosen Rundschleifen
DE102023110601B3 (de) Bearbeitungsvorrichtung und Verfahren zur formgebenden Bearbeitung von optischen Linsen durch Materialabtrag mit einer Vorbearbeitungsmaschine und einer Feinbearbeitungsmaschine
DE188491C (fr)
DD232863A5 (de) Verfahren und vorrichtung vom hochgeschwindigkeits-profilschleifen von rotationssymmetrischen werkstuecken

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE ES FR GB IT NL

17P Request for examination filed

Effective date: 19970210

17Q First examination report despatched

Effective date: 20001004

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR GB IT NL

REF Corresponds to:

Ref document number: 59608585

Country of ref document: DE

Date of ref document: 20020221

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20020406

ET Fr: translation filed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2171580

Country of ref document: ES

Kind code of ref document: T3

PLBQ Unpublished change to opponent data

Free format text: ORIGINAL CODE: EPIDOS OPPO

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

PLBF Reply of patent proprietor to notice(s) of opposition

Free format text: ORIGINAL CODE: EPIDOS OBSO

26 Opposition filed

Opponent name: GERBER COBUM OPTICAL INC.

Effective date: 20021016

Opponent name: OPTISCHE WERKE G. RODENSTOCK

Effective date: 20021016

NLR1 Nl: opposition has been filed with the epo

Opponent name: GERBER COBUM OPTICAL INC.

Opponent name: OPTISCHE WERKE G. RODENSTOCK

PLBF Reply of patent proprietor to notice(s) of opposition

Free format text: ORIGINAL CODE: EPIDOS OBSO

PLBF Reply of patent proprietor to notice(s) of opposition

Free format text: ORIGINAL CODE: EPIDOS OBSO

PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

PLBQ Unpublished change to opponent data

Free format text: ORIGINAL CODE: EPIDOS OPPO

R26 Opposition filed (corrected)

Opponent name: GERBER COBUM OPTICAL INC.PATENTANWAELTE

Effective date: 20021016

Opponent name: OPTISCHE WERKE G. RODENSTOCK

Effective date: 20021016

NLR1 Nl: opposition has been filed with the epo

Opponent name: GERBER COBUM OPTICAL INC.

Opponent name: OPTISCHE WERKE G. RODENSTOCK

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

R26 Opposition filed (corrected)

Opponent name: GERBER COBUM OPTICAL INC.PATENTANWAELTE

Effective date: 20021016

Opponent name: RODENSTOCK GMBH

Effective date: 20021016

NLR1 Nl: opposition has been filed with the epo

Opponent name: GERBER COBUM OPTICAL INC.

Opponent name: RODENSTOCK GMBH

PLBP Opposition withdrawn

Free format text: ORIGINAL CODE: 0009264

RTI2 Title (correction)

Free format text: PROCESS FOR MANUFACTURING A CONCAVE OUTER SURFACE ON A SPECTACLE LENS BLANK

PUAH Patent maintained in amended form

Free format text: ORIGINAL CODE: 0009272

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: PATENT MAINTAINED AS AMENDED

27A Patent maintained in amended form

Effective date: 20050907

AK Designated contracting states

Kind code of ref document: B2

Designated state(s): DE ES FR GB IT NL

NLR2 Nl: decision of opposition

Effective date: 20050907

NLR3 Nl: receipt of modified translations in the netherlands language after an opposition procedure
GBTA Gb: translation of amended ep patent filed (gb section 77(6)(b)/1977)
RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: SATISLOH GMBH

REG Reference to a national code

Ref country code: ES

Ref legal event code: DC2A

Date of ref document: 20051202

Kind code of ref document: T5

NLXE Nl: other communications concerning ep-patents (part 3 heading xe)

Free format text: PAT. BUL. 02/2006: CORR.: SATISLOH GMBH.

ET3 Fr: translation filed ** decision concerning opposition
PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20130604

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20130815

Year of fee payment: 18

Ref country code: ES

Payment date: 20130806

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20130930

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20130827

Year of fee payment: 18

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20150301

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20140801

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140801

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150301

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20150430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140801

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140901

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20150925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140802

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20150827

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59608585

Country of ref document: DE