EP0235021A3 - Lens grinding apparatus - Google Patents

Lens grinding apparatus Download PDF

Info

Publication number
EP0235021A3
EP0235021A3 EP87400291A EP87400291A EP0235021A3 EP 0235021 A3 EP0235021 A3 EP 0235021A3 EP 87400291 A EP87400291 A EP 87400291A EP 87400291 A EP87400291 A EP 87400291A EP 0235021 A3 EP0235021 A3 EP 0235021A3
Authority
EP
European Patent Office
Prior art keywords
grinding apparatus
lens grinding
lens
grinding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87400291A
Other versions
EP0235021B1 (en
EP0235021A2 (en
Inventor
Nobuhiro C/O Tokyo Kogaku Kikai Isokawa
Yoshiyuki C/O Tokyo Kogaku Kikai Hatano
Yasuo C/O Tokyo Kogaku Kikai Suzuki
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.)
Topcon Corp
Original Assignee
Tokyo Kogaku Kikai KK
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 Tokyo Kogaku Kikai KK filed Critical Tokyo Kogaku Kikai KK
Publication of EP0235021A2 publication Critical patent/EP0235021A2/en
Publication of EP0235021A3 publication Critical patent/EP0235021A3/en
Application granted granted Critical
Publication of EP0235021B1 publication Critical patent/EP0235021B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/18—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the presence of dressing tools
    • B24B49/183—Wear compensation without the presence of dressing tools
    • 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
    • B24B9/148—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 electrically, e.g. numerically, controlled

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)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
EP87400291A 1986-02-10 1987-02-09 Lens grinding apparatus Expired - Lifetime EP0235021B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27674/86 1986-02-10
JP61027674A JPH0632892B2 (en) 1986-02-10 1986-02-10 Lens grinding machine

Publications (3)

Publication Number Publication Date
EP0235021A2 EP0235021A2 (en) 1987-09-02
EP0235021A3 true EP0235021A3 (en) 1988-02-24
EP0235021B1 EP0235021B1 (en) 1992-09-23

Family

ID=12227498

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87400291A Expired - Lifetime EP0235021B1 (en) 1986-02-10 1987-02-09 Lens grinding apparatus

Country Status (3)

Country Link
EP (1) EP0235021B1 (en)
JP (1) JPH0632892B2 (en)
DE (1) DE3781815T2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2638926B2 (en) * 1988-05-25 1997-08-06 松下電器産業株式会社 Spherical grinding machine and shape accuracy maintenance method
FR2639276B1 (en) * 1988-11-22 1991-01-04 Briot Int GRINDING WEIGHT ADJUSTING DEVICE FOR GRINDING MACHINE FOR OPHTHALMIC GLASSES
FR2644718A1 (en) * 1989-03-23 1990-09-28 Briot Internal DEVICE FOR RE-CALIBRATING A MACHINE FOR GRINDING OPHTHALMIC GLASSES TO REPAIR THE WEAR OF THE WHEEL
JPH0373267A (en) * 1989-08-11 1991-03-28 Kanto Special Steel Works Ltd Measurement of work diameter in roll grinder and measuring device thereof
IE67140B1 (en) * 1990-02-27 1996-03-06 Bausch & Lomb Lens edging system
FR2699445B1 (en) * 1992-12-18 1995-03-03 Essilor Int Method for checking the suitability of a grinding glass for a spectacle frame on a grinder.
FR2867409B1 (en) * 2004-03-09 2007-04-13 Vallon DEVICE FOR WEAR COMPENSATION OF THE ROTARY TOOL OF A CUTTING MACHINE
JP5745909B2 (en) 2011-03-30 2015-07-08 株式会社ニデック Eyeglass lens peripheral processing equipment
CN113814825A (en) * 2021-10-19 2021-12-21 林国武 New material round edge trimming device and rapid trimming method using same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934066A1 (en) * 1979-08-23 1981-04-09 Gebrüder Hau Maschinenfabrik GmbH & Co, 6050 Offenbach Disc setting control for grinding or polishing machine - uses motor current and disc diameter to obtain regulating signal compared with reference
US4286415A (en) * 1979-03-12 1981-09-01 Ait Industries, Inc. Method of edging lenses
US4499690A (en) * 1983-03-10 1985-02-19 E. D. Coddington Manufacturing Company Split stations surface grinding apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914462A (en) * 1982-07-15 1984-01-25 Toshiba Corp Grindstone abrasion correcting device
US4493168A (en) * 1983-06-16 1985-01-15 Coburn Optical Industries, Inc. Calibration gauge for computer-controlled lens generator, or the like
DE143468T1 (en) * 1983-11-29 1986-01-16 Tokyo Kogaku Kikai K.K., Tokio/Tokyo METHOD AND DEVICE FOR GRINDING THE EDGES.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286415A (en) * 1979-03-12 1981-09-01 Ait Industries, Inc. Method of edging lenses
DE2934066A1 (en) * 1979-08-23 1981-04-09 Gebrüder Hau Maschinenfabrik GmbH & Co, 6050 Offenbach Disc setting control for grinding or polishing machine - uses motor current and disc diameter to obtain regulating signal compared with reference
US4499690A (en) * 1983-03-10 1985-02-19 E. D. Coddington Manufacturing Company Split stations surface grinding apparatus

Also Published As

Publication number Publication date
JPH0632892B2 (en) 1994-05-02
EP0235021B1 (en) 1992-09-23
JPS62188664A (en) 1987-08-18
EP0235021A2 (en) 1987-09-02
DE3781815T2 (en) 1993-03-25
DE3781815D1 (en) 1992-10-29

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