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2008 Fiscal Year Final Research Report

Ultra-Precision Measurement System for Large Aspheric Molding Die

Research Project

  • PDF
Project/Area Number 19760092
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Production engineering/Processing studies
Research InstitutionChubu University

Principal Investigator

CAO Guohui  Chubu University, 先進計測研究センター, 研究員 (80424927)

Project Period (FY) 2007 – 2008
Keywords超精密加工
Research Abstract

大型非球面金型(直径300mm及び500mm、ミラー面の長さ400mmの放物面と双曲面からなる)を超精密ダイヤモンド切削し、その形状を機上の変位センサーで測定し、補正加工した。その結果、形状精度±92nmを得た。円筒の場合、形状精度±54nmを得た。上記の形状計測実験を通じて、機上超精密非球面形状計測法を開発した。

  • Research Products

    (5 results)

All 2009 2008 2007 2005

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (4 results)

  • [Journal Article] Straightness Error Compensation for Ultra-Precision Machining Based on a Straightness Gauge2005

    • Author(s)
      Guohui Cao, Yoshiharu Namba
    • Journal Title

      Key Engineering Materials Vol.381-382

      Pages: 105-10

    • Peer Reviewed
  • [Presentation] 非球面光学素子の形状計測2009

    • Author(s)
      曹国輝,難波義治
    • Organizer
      2008秋季第69回応用物理学会学術講演会
    • Place of Presentation
      中部大学,春日井市,日本
    • Year and Date
      2009-09-04
  • [Presentation] Precision Shape Measurement of Large Aspheric Optics Based on Error Compensation2008

    • Author(s)
      Guohui Cao, Yoshiharu Namba
    • Organizer
      The 6th CHINA-JAPAN International Conference on Ultra-Precision Machining (CJICUPM2008)
    • Place of Presentation
      Hunan Univ., China
    • Year and Date
      2008-11-24
  • [Presentation] 誤差補正による非球面光学素子の超精密形状計測2008

    • Author(s)
      曹国輝,難波義治
    • Organizer
      日本機械学会第7回生産加工・工作機械部門講演会
    • Place of Presentation
      長良川国際会議場,岐阜,日本
    • Year and Date
      2008-11-21
  • [Presentation] Straightness Error Compensation for Ultra-Precision Machining Based on a Straightness Gauge2007

    • Author(s)
      Guohui Cao, Yoshiharu Namba
    • Organizer
      8th International Symposium on Measurement Technology and Intelligent Instruments
    • Place of Presentation
      Tohoku Univ., Sendai, Japan
    • Year and Date
      2007-09-25

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Published: 2010-06-10   Modified: 2016-04-21  

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