2021 Fiscal Year Final Research Report
Development of grinding wheels for high-speed reciprocation grinding and high-efficiency grinding of feat-resistant alloy
| Project/Area Number |
19K04120
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Review Section |
Basic Section 18020:Manufacturing and production engineering-related
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| Research Institution | Iwate University |
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Principal Investigator |
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| Project Period (FY) |
2019-04-01 – 2022-03-31
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| 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 |
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| 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.
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| Free Research Field |
工学
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| 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．
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