EP2529886B1 - Lens spherical surface grinding method using dish-shaped grindstone - Google Patents

Lens spherical surface grinding method using dish-shaped grindstone Download PDF

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Publication number
EP2529886B1
EP2529886B1 EP10844519.8A EP10844519A EP2529886B1 EP 2529886 B1 EP2529886 B1 EP 2529886B1 EP 10844519 A EP10844519 A EP 10844519A EP 2529886 B1 EP2529886 B1 EP 2529886B1
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EP
European Patent Office
Prior art keywords
rotational speed
dish
processing pressure
grinding
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.)
Active
Application number
EP10844519.8A
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German (de)
English (en)
French (fr)
Other versions
EP2529886A1 (en
EP2529886A4 (en
Inventor
Hideo Kojima
Hiroshi Fukuzawa
Yoshiyuki Otsuki
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.)
Kojima Engineering Co Ltd
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Kojima Engineering Co Ltd
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Publication date
Application filed by Kojima Engineering Co Ltd filed Critical Kojima Engineering Co Ltd
Publication of EP2529886A1 publication Critical patent/EP2529886A1/en
Publication of EP2529886A4 publication Critical patent/EP2529886A4/en
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Publication of EP2529886B1 publication Critical patent/EP2529886B1/en
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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
    • B24B13/02—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor by means of tools with abrading surfaces corresponding in shape with the lenses to be made

Definitions

  • the swinging mechanism 11 is capable of causing the dish-shaped grindstone 8 to swing in a set swinging direction with a set swing angle ⁇ and a set processing radius R about a swing center O in which the spherical grindstone surface 8a is positioned on the center axial line 2a.
  • the processing data for the present experimental example are as follows: Lens blank material TAFD25 Degree of wear of the lens blank 90 Knoop hardness of the lens blank 630 Processing spherical surface radius R 108 mm Lens outside diameter 37.5 mm Dish-shaped grindstone Diamond pellet SP60B #800

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
EP10844519.8A 2010-01-29 2010-01-29 Lens spherical surface grinding method using dish-shaped grindstone Active EP2529886B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/000563 WO2011092748A1 (ja) 2010-01-29 2010-01-29 皿形砥石を用いたレンズ球面の研削加工方法

Publications (3)

Publication Number Publication Date
EP2529886A1 EP2529886A1 (en) 2012-12-05
EP2529886A4 EP2529886A4 (en) 2015-08-05
EP2529886B1 true EP2529886B1 (en) 2016-04-20

Family

ID=44318767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10844519.8A Active EP2529886B1 (en) 2010-01-29 2010-01-29 Lens spherical surface grinding method using dish-shaped grindstone

Country Status (8)

Country Link
US (1) US20120289127A1 (ja)
EP (1) EP2529886B1 (ja)
JP (1) JP5453459B2 (ja)
KR (1) KR101584265B1 (ja)
CN (1) CN102725104B (ja)
HK (1) HK1174871A1 (ja)
TW (1) TWI415709B (ja)
WO (1) WO2011092748A1 (ja)

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DE112014000978T5 (de) * 2013-03-19 2016-01-07 XiaoYan Chen Poliervorrichtung für optische Elemente und entsprechendes Verfahren
TWI584914B (zh) * 2013-07-22 2017-06-01 佳能股份有限公司 元件製造方法及拋光裝置
KR101594795B1 (ko) * 2013-07-23 2016-02-17 카부시키가이샤하루치카세이미쯔 요동기구 및 구심요동연마기
CN105531084B (zh) * 2013-11-11 2018-01-16 奥林巴斯株式会社 研磨工具、研磨方法和研磨装置
KR101558548B1 (ko) 2014-04-22 2015-10-13 한국지질자원연구원 자동 박편 연마 장치
KR102125392B1 (ko) 2014-04-25 2020-06-22 가부시키가이샤 고지마 엔지니어링 구심식 가공기의 렌즈센터링방법, 렌즈가공방법 및 구심식 가공기
CN106695494B (zh) * 2017-03-07 2019-07-23 徐工集团工程机械有限公司 球面配磨装置及方法
CN107443184A (zh) * 2017-07-06 2017-12-08 衡东县湘峰陶瓷有限公司 通用型匣钵外表面打磨装置
CN107322383A (zh) * 2017-07-06 2017-11-07 衡东县湘峰陶瓷有限公司 全自动匣钵外表面打磨装置
CN107443183A (zh) * 2017-07-06 2017-12-08 衡东县湘峰陶瓷有限公司 匣钵外表面打磨装置
CN107214584A (zh) * 2017-07-06 2017-09-29 衡东县湘峰陶瓷有限公司 全自动稳定型匣钵外表面打磨装置
CN108422286B (zh) * 2018-03-30 2023-11-03 马鞍山市江南光学有限公司 一种斯米特屋脊棱镜的加工方法及其定位工装

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Also Published As

Publication number Publication date
KR101584265B1 (ko) 2016-01-11
JP5453459B2 (ja) 2014-03-26
KR20120123082A (ko) 2012-11-07
US20120289127A1 (en) 2012-11-15
CN102725104A (zh) 2012-10-10
HK1174871A1 (en) 2013-06-21
EP2529886A1 (en) 2012-12-05
EP2529886A4 (en) 2015-08-05
JPWO2011092748A1 (ja) 2013-05-23
TWI415709B (zh) 2013-11-21
CN102725104B (zh) 2015-07-01
WO2011092748A1 (ja) 2011-08-04
TW201125680A (en) 2011-08-01

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