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FR2682628B1 - Perfectionnements aux machines a meuler et a biseauter les verres ophtalmiques. - Google Patents

Perfectionnements aux machines a meuler et a biseauter les verres ophtalmiques.

Info

Publication number
FR2682628B1
FR2682628B1 FR9112965A FR9112965A FR2682628B1 FR 2682628 B1 FR2682628 B1 FR 2682628B1 FR 9112965 A FR9112965 A FR 9112965A FR 9112965 A FR9112965 A FR 9112965A FR 2682628 B1 FR2682628 B1 FR 2682628B1
Authority
FR
France
Prior art keywords
edge
grinding
lens
ophthalmic lenses
measure
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 - Fee Related
Application number
FR9112965A
Other languages
English (en)
Other versions
FR2682628A1 (fr
Inventor
Jean Marcel Lecerf
Jean-Pierre Marie Fernand Langlois
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.)
BUCHMANN OPTICAL ENG
Original Assignee
BUCHMANN OPTICAL ENG
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 BUCHMANN OPTICAL ENG filed Critical BUCHMANN OPTICAL ENG
Priority to FR9112965A priority Critical patent/FR2682628B1/fr
Priority to US07/961,371 priority patent/US5321915A/en
Priority to DE4235212A priority patent/DE4235212C2/de
Publication of FR2682628A1 publication Critical patent/FR2682628A1/fr
Application granted granted Critical
Publication of FR2682628B1 publication Critical patent/FR2682628B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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
    • 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

Landscapes

  • 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

L'invention propose une machine à meuler et à biseauter les verres ophtalmiques, du type comprenant un chariot mobile en translation et en oscillation parallèlement et perpendiculairement par rapport à un arbre portant des meules à détourer (4) et à biseauter et un palpeur (7) pour mesurer la distance entre le plan tangent au pôle de la face convexe du verre et le bord de la face et pour mesurer la valeur qui correspond à l'épaisseur de la tranche (12) du verre (3), caractérisée en ce que le palpeur (7) a une surface (8) dont la courbure est identique à celle de la meule et qui comporte une matrice d'éléments de détection qui coopèrent avec la tranche (12) du verre et dont chacun est relié à une portion correspondante d'un capteur (14) à laquelle il transmet un signal représentatif du passage d'une partie de la tranche (12) du verre en regard de l'élément de détection correspondant.
FR9112965A 1991-10-21 1991-10-21 Perfectionnements aux machines a meuler et a biseauter les verres ophtalmiques. Expired - Fee Related FR2682628B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9112965A FR2682628B1 (fr) 1991-10-21 1991-10-21 Perfectionnements aux machines a meuler et a biseauter les verres ophtalmiques.
US07/961,371 US5321915A (en) 1991-10-21 1992-10-15 Machines for grinding and bevelling opthalmic lenses
DE4235212A DE4235212C2 (de) 1991-10-21 1992-10-20 Meßfühler für eine Maschine zum Randschleifen und Facettieren einer optischen Linse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9112965A FR2682628B1 (fr) 1991-10-21 1991-10-21 Perfectionnements aux machines a meuler et a biseauter les verres ophtalmiques.

Publications (2)

Publication Number Publication Date
FR2682628A1 FR2682628A1 (fr) 1993-04-23
FR2682628B1 true FR2682628B1 (fr) 1996-01-05

Family

ID=9418144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9112965A Expired - Fee Related FR2682628B1 (fr) 1991-10-21 1991-10-21 Perfectionnements aux machines a meuler et a biseauter les verres ophtalmiques.

Country Status (3)

Country Link
US (1) US5321915A (fr)
DE (1) DE4235212C2 (fr)
FR (1) FR2682628B1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4208835A1 (de) * 1992-03-19 1993-09-30 Wernicke & Co Gmbh Verfahren zum Formschleifen des Umfangs eines Brillenglases
FR2697769B1 (fr) * 1992-11-10 1995-01-13 Buchmann Optical Eng Machine automatique pour meuler et biseauter les verres ophtalmiques.
FR2699445B1 (fr) * 1992-12-18 1995-03-03 Essilor Int Procédé pour le contrôle sur une meuleuse de l'adéquation, à une monture de lunettes, d'un verre à meuler.
DE4320934C2 (de) * 1993-06-24 1995-04-20 Wernicke & Co Gmbh Brillenglasrandschleifmaschine
FR2706800B1 (fr) * 1993-06-25 1995-11-03 Essilor Int
FR2728187A1 (fr) * 1994-12-19 1996-06-21 Essilor Int Procede pour le reperage de la position du biseau ou de la rainure a usiner sur la tranche d'un verre de lunettes et machine a deborder permettant la mise en oeuvre de ce procede
FR2741560B1 (fr) * 1995-11-23 1998-02-06 Briot Int Meule perfectionnee pour verres ophtalmiques, et machine de meulage correspondante
JPH09277148A (ja) * 1996-04-17 1997-10-28 Topcon Corp レンズ周縁研削方法及びその装置
JPH10138108A (ja) * 1996-10-31 1998-05-26 Nidek Co Ltd 眼鏡レンズ研削加工機及び眼鏡レンズ研削加工方法
JP3667483B2 (ja) * 1997-02-10 2005-07-06 株式会社ニデック レンズ研削加工装置
US5957637A (en) * 1997-11-13 1999-09-28 Micro Optics Design Corp. Apparatus and method for generating ultimate surfaces on ophthalmic lenses
US6287186B1 (en) 2000-09-01 2001-09-11 Richard A. Miller, Jr. Grinding wheel
JP3990104B2 (ja) * 2000-10-17 2007-10-10 株式会社ニデック レンズ研削加工装置
JP3916445B2 (ja) * 2001-11-08 2007-05-16 株式会社ニデック 眼鏡レンズ加工装置
JP5372628B2 (ja) * 2009-07-08 2013-12-18 株式会社ニデック 眼鏡レンズ加工装置及び該装置に使用されるヤゲン加工具

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233784A (en) * 1979-03-12 1980-11-18 Ait Industries, Inc. Lens edging apparatus
FR2456304A1 (fr) * 1979-05-07 1980-12-05 Essilor Int Dispositif permettant de mesurer la distance entre un point predetermine du contour desire d'une lentille optalmique et le plan tangent au pole de la surface convexe de la lentille
FR2543039B1 (fr) * 1983-03-22 1985-08-09 Essilor Int Procede pour le biseautage d'une lentille ophtalmique, et machine a meuler automatique correspondante
JPS60122304A (ja) * 1983-11-09 1985-06-29 Shinetsu Eng Kk 自動寸法測定装置
JPS60123259A (ja) * 1983-12-02 1985-07-01 Nippon Kogaku Kk <Nikon> レンズ周縁加工機
JPH0639048B2 (ja) * 1985-05-28 1994-05-25 株式会社トプコン レンズ形状測定装置
FR2611560B1 (fr) * 1987-03-05 1992-10-02 Briot Int Perfectionnements aux machines a meuler et a biseauter les verres ophtalmiques

Also Published As

Publication number Publication date
DE4235212A1 (de) 1993-04-22
FR2682628A1 (fr) 1993-04-23
US5321915A (en) 1994-06-21
DE4235212C2 (de) 1994-07-07

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Legal Events

Date Code Title Description
ST Notification of lapse