EP0758571B1 - Verfahren und Werkzeug zur Erzeugung einer konkaven Oberfläche aus einem Brillenglasrohling - Google Patents
Verfahren und Werkzeug zur Erzeugung einer konkaven Oberfläche aus einem Brillenglasrohling Download PDFInfo
- 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
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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
- 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
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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
- B24B11/00—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor
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- 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.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Milling Processes (AREA)
Description
- Fig. 1
- eine teilweise geschnittene und abgebrochen dargestellte Seitenansicht einer Fräs- und Schleifmaschine für Brillengläser,
- Fig. 2
- die Vorderansicht der Maschine nach Fig. 1,
- Fig. 3
- eine Seitenansicht des Schleifwerkzeugs,
- Fig. 4
- die Seitenansicht gemäß Fig. 3, jedoch nach Benutzung und Verschleiß des Schleifwerkzeugs,
- Fig. 5
- eine Seitenansicht des Fräswerkzeugs,
- Fig. 6
- eine vergrößerte Einzelheit des Fräswerkzeugs gemäß Fig. 5, entsprechend dem Ausschnittskreis VI,
- Fig. 7
- die Vorderansicht des Fräswerkzeugs in Blickrichtung des Pfeils VII in Fig. 5,
- Fig. 8
- Werkzeug und Werkstück während des Randbearbeitungsvorgangs, in zwei Ansichten, nämlich mit einer Seitenansicht und der Vorderansicht des Werkzeugs,
- Fig. 9
- Werkzeug und Werkstück während des Facettierungs-Arbeitsgangs, in zwei Ansichten ähnlich Fig. 8,
- Fig. 10
- Werkzeug und Werkstück während des Einstech-Arbeitsgangs, in zwei Ansichten ähnlich Fig. 8 und 9,
- Fig. 11
- Werkzeug und Werkstück während des Arbeitsgangs mit Bearbeitung entlang des spiralförmigen Weges, in zwei Ansichten ähnlich Fig. 8,9 und 10,
- Fig. 12
- die Draufsicht auf das Werkstück nach dem Arbeitsgang mit Bearbeitung entlang des spiralförmigen Weges und
- Fig. 13
- den abgebrochenen und vergrößerten Schnitt durch das Werkstück gemäß der Linie XIII-XIII in Fig. 12.
Claims (8)
- Verfahren zur Erzeugung einer konkaven Oberfläche an einem Brillenglasrohling (Werkstück), die der fertigen Brillenglasinnenfläche schon weitgehend entspricht, mittels eines Fräsoder Schleifwerkzeugs, bei welchem das aufgeblockte Werkstück und das Werkzeug in einem CNC-gesteuerten Bearbeitungsvorgang mit zwei linearen Bewegungsachsen (x- und y-Achse) und zwei unter einem Winkel (α) zueinander verlaufenden Rotationsbewegungsachsen, von denen die eine dem Werkstück (b-Achse) und die andere dem Werkzeug (c-Achse) zugeordnet ist, zueinander relativbeweglich geführt sind, wobei zur Formgebung der Oberfläche die Materialabtragung entlang eines spiralförmigen Weges auf der Oberfläche vorgenommen wird, indem das Werkzeug und das Werkstück entlang der x-, y- und b-Achsen relativ zueinander gesteuert bewegt werden, und als Werkzeug ein scheibenförmiges rotationssymmetrisches Werkzeug verwendet wird, das derart angeordnet ist, daß sich der tiefste Punkt (16, 16') des Werkzeugs in bezug auf das Werkstück in einer durch die b- und x-Achsen definierten Ebene befindet, dadurch gekennzeichnet, daß der Materialabtragung entlang des spiralförmigen Weges ein Einstech-Arbeitsgang vorgeschaltet ist, bei dem das Werkstück um seine Achse (b) rotiert und das Werkzeug mindestens in Richtung der y-Achse bewegt wird, bis eine der zu erzeugenden konkaven Oberfläche mindestens im Bereich des Außenrandes des Werkstücks angepaßte ringmuldenförmige Fläche erzielt ist, so daß mindestens im Bereich des Außenrandes die am Werkstück hergestellte Oberfläche der Sollaußenkontur der optisch wirksamen Brillenglasinnenfläche entspricht.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß vor dem Einstech-Arbeitsgang der Brillenglasrand zur Anpassung an die Kontur des Brillengestells in einem Randbearbeitungsvorgang bearbeitet wird, wobei Werkzeug und Werkstück zunächst durch seitliche Relativbewegung auf der x-Achse einander angenähert werden, worauf Werkzeug und Werkstück durch Relativbewegung auf der y-Achse zueinander verlagert werden, bis das Werkstück sich etwa auf gleicher Höhe mit der Werkzeugachse befindet und der Werkstückrand die kreisförmige Schnittkante des Werkzeugs tangiert, so daß bei Rotation von Werkzeug und Werkstück um die jeweiligen Rotationsbewegungsachsen (c- und b-Achsen) Material vom Werkstückrand abgetragen wird, wobei durch seitliche Relativbewegung auf der x-Achse und kontinuierliches Zustellen auf der y-Achse eine Bearbeitung des Brillenglasrohlings auf die durch die Brillengestellform vorgegebene Umfangskontur vorgenommen wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß in einer einzigen Aufspannung des Werkstücks der Randbearbeitungsvorgang, der Einstech-Arbeitsgang und die Bearbeitung entlang des spiralförmigen Weges in kontinuierlicher Abfolge durchgeführt werden.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß vor dem Einstech-Arbeitsgang und ggf. nach dem Randbearbeitungsvorgang die obere Werkstückumfangskante mittels des Werkzeugs facettiert wird, wobei der Facettierungs-Arbeitsgang in kontinuierlicher Abfolge mit den anderen Arbeitsgängen durchgeführt wird.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Winkel (α) zwischen der Werkstückachse (b) und der Werkzeugachse (c) während aller Arbeitsgänge 105° beträgt.
- Scheibenförmiges Schleifwerkzeug mit einer ringförmigen Schleiflippe zur Durchführung des Verfahrens nach den Ansprüchen 1 bis 5 zur Erzeugung einer konkaven Oberfläche aus einem spröd-harten Brillenglasrohling, dadurch gekennzeichnet, daß die Schleiflippe (13) am Werkzeug (2) asymmetrisch ausgebildet ist und mit ihrem größten Radius in einer kreisförmigen formgebenden Schnittkante (14) ausläuft, und daß die der Schleiflippe (13) abgewandte, in die Schnittkante (14) mündende Rückfläche (15) des Werkzeugs (2) zur Werkzeugrotationsachse (c) unter dem Winkel (α) zwischen der Werkstück- (b) und der Werkzeugrotationsachse (c) verläuft.
- Fräswerkzeug zur Durchführung des Verfahrens nach den Ansprüchen 1 bis 5 zur Erzeugung einer konkaven Oberfläche aus einem Kunststoff-Brillenglasrohling, dadurch gekennzeichnet, daß es bezüglich seiner Rotationsform scheibenförmig ausgebildet ist und mit einer Mehrzahl von am Umfang gleichmäßig verteilten Haltearmen (17) versehen ist, an deren äußeren Enden Schneidplatten (19) befestigt sind, die radial zur Rotationsachse (c) des Fräswerkzeugs (2') ausgerichtet sind und deren Schneiden (20) eine formgebende torische Hüllfläche definieren.
- Fräswerkzeug nach Anspruch 7, dadurch gekennzeichnet, daß die Schneidplatten (19) um ihre Kreismitte drehbar und in der jeweiligen Drehstellung an den Haltearmen (17) befestigbar sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19529786A DE19529786C1 (de) | 1995-08-12 | 1995-08-12 | Verfahren und Werkzeug zur Erzeugung einer konkaven Oberfläche an einem Brillenglasrohling |
DE19529786 | 1995-08-12 |
Publications (4)
Publication Number | Publication Date |
---|---|
EP0758571A1 EP0758571A1 (de) | 1997-02-19 |
EP0758571B1 true EP0758571B1 (de) | 2002-01-16 |
EP0758571B2 EP0758571B2 (de) | 2005-09-07 |
EP0758571B8 EP0758571B8 (de) | 2005-11-23 |
Family
ID=7769391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96112436A Expired - Lifetime EP0758571B8 (de) | 1995-08-12 | 1996-08-01 | Verfahren zur Erzeugung einer konkaven Oberfläche aus einem Brillenglasrohling |
Country Status (4)
Country | Link |
---|---|
US (2) | US5938381A (de) |
EP (1) | EP0758571B8 (de) |
DE (2) | DE19529786C1 (de) |
ES (1) | ES2171580T5 (de) |
Cited By (3)
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 |
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 |
Families Citing this family (51)
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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 |
WO2001053038A1 (en) * | 2000-01-18 | 2001-07-26 | Ncrx Optical Solutions, Inc | System and method for ophthalmic lens manufacture |
DE60127792T2 (de) * | 2000-02-16 | 2007-12-27 | Seiko Epson Corp. | Verfahren zum herstellen von brillenlinsen und polierwerkzeug |
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 |
EP1608485B1 (de) | 2003-03-11 | 2011-04-13 | Optotech Optikmaschinen GmbH | Verfahren und vorrichtung zur fertigung von brillengläsern und anderen formkörpern mit optisch aktiven oberflächen |
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 |
EP1964630A1 (de) * | 2005-12-22 | 2008-09-03 | Hoya Corporation | Linsenoberflächenschneidevorrichtung, linsenoberflächenschneideverfahren für brillen und linse für brillen |
US7793403B2 (en) * | 2005-12-27 | 2010-09-14 | Konica Minolta Opto, Inc. | Manufacturing method of optical component or molding die therefor |
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Cited By (7)
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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 |
DE102021004831A1 (de) | 2021-09-24 | 2023-03-30 | Satisloh Ag | Verfahren zur spanenden bearbeitung von optischen werkstücken, insbesondere brillenlinsen aus kunststoff |
WO2023046937A1 (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 (de) | 2021-10-19 | 2023-04-27 | Satisloh Ag | Aufnahme für die bearbeitung von optischen werkstücken, insbesondere brillenlinsen |
Also Published As
Publication number | Publication date |
---|---|
MX9603307A (es) | 1997-07-31 |
EP0758571B2 (de) | 2005-09-07 |
US6227952B1 (en) | 2001-05-08 |
ES2171580T5 (es) | 2006-03-16 |
ES2171580T3 (es) | 2002-09-16 |
DE19529786C1 (de) | 1997-03-06 |
EP0758571A1 (de) | 1997-02-19 |
DE59608585D1 (de) | 2002-02-21 |
EP0758571B8 (de) | 2005-11-23 |
US5938381A (en) | 1999-08-17 |
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