ES2041201T3 - Dispositivo para la fabricacion de una lente de contacto con superficie delantera y/o superficie trasera especialmente esferica. - Google Patents

Dispositivo para la fabricacion de una lente de contacto con superficie delantera y/o superficie trasera especialmente esferica.

Info

Publication number
ES2041201T3
ES2041201T3 ES199191810028T ES91810028T ES2041201T3 ES 2041201 T3 ES2041201 T3 ES 2041201T3 ES 199191810028 T ES199191810028 T ES 199191810028T ES 91810028 T ES91810028 T ES 91810028T ES 2041201 T3 ES2041201 T3 ES 2041201T3
Authority
ES
Spain
Prior art keywords
turning tool
spindle
pivot axis
manufacture
contact lens
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
ES199191810028T
Other languages
English (en)
Inventor
Peter Dr. Hagmann
Peter Hofer
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.)
Novartis AG
Original Assignee
Ciba Geigy 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
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of ES2041201T3 publication Critical patent/ES2041201T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/34—Relative movement obtained by use of deformable elements, e.g. piezoelectric, magnetostrictive, elastic or thermally-dilatable elements
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Eyeglasses (AREA)
  • Lenses (AREA)
  • Materials For Medical Uses (AREA)

Abstract

UN DISPOSITIVO PARA LA FABRICACION DE UNA LENTE DE CONTACTO CON SUPERFICIE DELANTERA Y/O TRASERA ESPECIALMENTE ESFERICA MEDIANTE CONFORMACION CON ARRANQUE DE VIRUTAS EN UN PROCESO DE TRABAJO CONTINUO CON UN HUSILLO 5 COLOCADO GIRATORIO EN UN SOPORTE DE HUSILLO 15, EN EL QUE SE PUEDE FIJAR UNA PIEZA BRUTA DE LENTE 2 GIRATORIA CON EL HUSILLO 5 ALREDEDOR DEL EJE DEL HUSILLO 9, CON UNA HERRAMIENTA GIRATORIA 1 DE ARRANQUE DE VIRUTAS, QUE ES GIRATORIA ALREDEDOR DE UN EJE DE GIRO 3 PERPENDICULAR AL EJE DEL HUSILLO 9, Y CON UNA INSTALACION DE AJUSTE 14, MEDIANTE LA CUAL EL RADIO DE GIRO DE LA HERRAMIENTA GIRATORIA ES AJUSTABLE FRENTE AL EJE DE GIRO 3 DURANTE EL PROCESO DE TRABAJO DE ARRANQUE DE VIRUTAS EN FUNCION DEL ANGULO DE GIRO, Y QUE PRESENTA UN ACCIONAMIENTO PIEZOELECTRICO 4 Y/O 21, QUE DURANTE EL PROCESO DE TRABAJO DE ARRANQUE DE VIRUTAS PARA EL AJUSTE DEL RADIO DE GIRO DE LA HERRAMIENTA GIRATORIA 1 TRANSMITE UN MOVIMIENTO DE AJUSTE LINEAL SOBRE LA HERRAMIENTA GIRATORIA 1 EN DIRECCION RADIALCON RESPECTO AL EJE DE GIRO 3.
ES199191810028T 1990-01-24 1991-01-15 Dispositivo para la fabricacion de una lente de contacto con superficie delantera y/o superficie trasera especialmente esferica. Expired - Lifetime ES2041201T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH22590 1990-01-24

Publications (1)

Publication Number Publication Date
ES2041201T3 true ES2041201T3 (es) 1993-11-01

Family

ID=4182140

Family Applications (1)

Application Number Title Priority Date Filing Date
ES199191810028T Expired - Lifetime ES2041201T3 (es) 1990-01-24 1991-01-15 Dispositivo para la fabricacion de una lente de contacto con superficie delantera y/o superficie trasera especialmente esferica.

Country Status (7)

Country Link
EP (1) EP0439425B1 (es)
AT (1) ATE88125T1 (es)
DE (1) DE59100077D1 (es)
DK (1) DK0439425T3 (es)
ES (1) ES2041201T3 (es)
GR (1) GR3008402T3 (es)
HK (1) HK100695A (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2687598A1 (fr) * 1992-02-26 1993-08-27 Cmvm International Machine et procede pour generer par meulage une surface quelconque de lentille optique ou ophtalmique.
DE4412370A1 (de) * 1994-04-12 1995-10-19 Schneider Gmbh & Co Kg Verfahren und Vorrichtung zum Herstellen asphärischer Linsenoberflächen
ES2173343T3 (es) * 1995-10-14 2002-10-16 Zeiss Carl Procedimiento de fabricacion de superficies opticas y maquina de mecanizacion para la ejecucion del procedimiento.
EP0786309B1 (fr) * 1996-01-29 2003-04-09 Gérard Muller Dispositif pour la fabrication de lentilles de contact
GB2314452A (en) * 1996-06-17 1997-12-24 Rank Taylor Hobson Ltd Electromechanical actuator
US6122999A (en) * 1997-04-17 2000-09-26 Novartis Ag Lathe apparatus and method
JP4322324B2 (ja) * 1997-04-17 2009-08-26 ノバルティス アクチエンゲゼルシャフト 旋盤装置及び方法
AU2003249653A1 (en) * 2002-05-29 2003-12-19 Massachusetts Institute Of Technology Rotary fast tool servo system and methods
US7574947B2 (en) 2002-05-29 2009-08-18 Massachusetts Institute Of Technology Rotary fast tool servo system and methods
US7765905B2 (en) 2002-05-29 2010-08-03 Massachusetts Institute Of Technology Magnetic micropositioner and method of providing the same
US7275468B2 (en) 2002-05-29 2007-10-02 Massachusetts Institute Of Technology Rotary fast tool servo system and methods
US7437980B2 (en) 2002-05-29 2008-10-21 Massachusetts Institute Of Technology Flux-biased electromagnetic fast tool servo systems and methods
US7616084B2 (en) 2003-10-31 2009-11-10 Massachusetts Institute Of Technology Variable reluctance fast positioning system and methods
EP1742762B1 (de) * 2004-04-23 2008-12-03 Schott AG Vorrichtung zur erzeugung von mikrostrukturen
DE102004020990B4 (de) * 2004-04-23 2008-05-21 Schott Ag Vorrichtung und Verfahren zur Erzeugung von Mikrostrukturen
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
DE102006031079B4 (de) 2006-07-05 2010-04-08 Siemens Ag Werkzeugmaschine mit einem Piezoaktor
DE102007031703A1 (de) * 2007-07-06 2009-01-08 Satisloh Gmbh Maschine zur Bearbeitung von optischen Werkstücken, insbesondere von Kunststoff-Brillengläsern
CN102059620A (zh) * 2010-07-19 2011-05-18 长春理工大学 切线法数控非球面加工方法及机床
EP2684643A3 (de) * 2012-05-22 2014-04-16 Schneider GmbH & Co. KG Vorrichtung und Verfahren zur Bearbeitung eines optischen Werkstücks

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492894A (en) * 1967-10-02 1970-02-03 Heald Machine Co Machine tool
US4307046A (en) * 1979-07-16 1981-12-22 Neefe Charles W Method of laser machining contact lenses
DE3110624C2 (de) * 1981-03-18 1983-12-29 Titmus Eurocon Kontaktlinsen Gmbh & Co Kg, 8750 Aschaffenburg Vorrichtung zum Herstellen einer Kontaktlinse
JPS60114457A (ja) * 1983-11-26 1985-06-20 Nippon Kogaku Kk <Nikon> 球面創成研削装置
DE8513146U1 (de) * 1985-05-04 1988-04-28 Alfing Kessler Sondermaschinen GmbH, 7080 Aalen Dreheinrichtung
DE3820085C1 (en) * 1988-06-13 1989-07-27 Reichert-Jung Optische Werke Ag, Wien, At Microtome, especially ultramicrotome
JP2797333B2 (ja) * 1988-09-16 1998-09-17 セイコーエプソン株式会社 コンタクトレンズの製造方法及び装置

Also Published As

Publication number Publication date
DE59100077D1 (de) 1993-05-19
DK0439425T3 (da) 1993-05-24
ATE88125T1 (de) 1993-04-15
HK100695A (en) 1995-06-30
GR3008402T3 (es) 1993-10-29
EP0439425A1 (de) 1991-07-31
EP0439425B1 (de) 1993-04-14

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