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Development of grinding wheels for high-speed reciprocation grinding and high-efficiency grinding of feat-resistant alloy

Research Project

Project/Area Number 19K04120
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 18020:Manufacturing and production engineering-related
Research InstitutionIwate University

Principal Investigator

Yoshihara Nobuhito  岩手大学, 理工学部, 准教授 (80374958)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2020: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2019: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywordsハイレシプロ研削 / 難削材 / 高能率研削 / 研削面粗さ / 砥石摩耗 / 研削特性 / 耐熱合金 / 砥石
Outline of Research at the Start

ハイレシプロ研削における砥石磨耗メカニズムを明らかにし,砥石磨耗を抑制するための研削条件および砥石選定指針を明らかにする.また,明らかとなった砥石選定指針を基に,ハイレシプロ研削に適した砥石の開発を行う.さらにハイレシプロ研削の特性をいかして,耐熱合金の高能率・高精度研削を実現する.

Outline of Final Research Achievements

Purpose of this research is to develop a grinding wheel corresponding to the grinding mechanism of high-speed reciprocation grinding, to optimize the grinding conditions and to realize the application to the machining of difficult-to-cut materials. Therefore, grinding experiments were conducted to clarify the effect of the depth of cut of the abrasive grains on the wear of the grinding wheel. It was also clarified that the grinding temperature is low under the grinding conditions where the depth of cut of the abrasive grains is large, and the wear of the grinding wheel can be suppressed. Furthermore, it was shown that by applying this property, high-precision and high-efficiency grinding of heat-resistant alloys becomes possible.

Academic Significance and Societal Importance of the Research Achievements

インコネル718やワスパロイなどのニッケル基耐熱合金は航空産業など広く使用されるようになっている.しかし,これらの材料の熱伝導率は低く,研削熱の影響が大きくなるため砥石寿命が短くなることが問題となっている.ハイレシプロ研削の研削メカニズムを解明し,それに適用した砥石を選定することにより,これら難削材の高精度・高能率加工が実現する.

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (6 results)

All 2022 2020 2019

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 3 results) Presentation (3 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Journal Article] Optimization of Grinding Conditions of Axisymmetric Aspherical Grinding2022

    • Author(s)
      吉原信人,嶋田慶太,水野雅裕,厨川常元
    • Journal Title

      Journal of the Japan Society for Precision Engineering

      Volume: 88 Issue: 2 Pages: 193-197

    • DOI

      10.2493/jjspe.88.193

    • NAID

      130008157999

    • ISSN
      0912-0289, 1882-675X
    • Year and Date
      2022-02-05
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Optimization of Nano-Topography Distribution by Compensation Grinding2022

    • Author(s)
      Nobuhito Yoshihara, Masahiro Mizuno
    • Journal Title

      International Journal of Automation Technology

      Volume: 16 Issue: 1 Pages: 32-37

    • DOI

      10.20965/ijat.2022.p0032

    • NAID

      130008139772

    • ISSN
      1881-7629, 1883-8022
    • Year and Date
      2022-01-05
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Effect of the Abrasive Grain Distribution on Ground Surface Roughness2022

    • Author(s)
      Nobuhito Yoshihara, Haruki Takahashi, Masahiro Mizuno
    • Journal Title

      International Journal of Automation Technology

      Volume: 16 Issue: 1 Pages: 38-42

    • DOI

      10.20965/ijat.2022.p0038

    • NAID

      130008139769

    • ISSN
      1881-7629, 1883-8022
    • Year and Date
      2022-01-05
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Roughness of Traverse Ground Surface2020

    • Author(s)
      吉原信人
    • Organizer
      13th MIRAI Conference
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] ハイレシプロ研削法による難削材の研削2019

    • Author(s)
      吉原信人,小野雅生,西川尚宏,水野雅裕
    • Organizer
      2019年度砥粒加工学会学術講演会
    • Related Report
      2019 Research-status Report
  • [Presentation] Effect of the grinding efficiency on ground surface roughness2019

    • Author(s)
      Nobuhito Yoshihara, Masaki Ono, Naohiro Nishikawa, Masahiro Mizuno
    • Organizer
      The 22nd International Symposium on Advances in Abrasive Technology
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research

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Published: 2019-04-18   Modified: 2023-01-30  

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