Evaluation of Surface Fatigue Strength Based on Surface Temperature (Surface Temperature Calculation for Rolling-Sliding Contact)

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概要

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• Surface temperature is considered to be an integrated index that is dependent on not only the load and the dimensions at the contact point but also the sliding velocity, rolling velocity, surface roughness, and lubrication conditions. Therefore, the surface durability of rollers and gears can be evaluated more exactly and simply by the use of surface temperature rather than Hertzian stress. In this research, surface temperatures of rollers under different rolling and sliding conditions are measured using a thermocouple. The effects of load P, mean velocity Vm and sliding velocity Vs on surface temperature are clarified. An experimental formula, which expresses the linear relationship between surface temperature and the P(0.86)Vs(1.31) Vm(-0.83) value, is used to determine surface temperature. By comparing calculated and measured temperature on the tooth surface of a gear, this formula is confirmed to be applicable for gear tooth surface temperature calculation.

• 一般社団法人日本機械学会の論文
• 2001-03-15

著者

• Deng Gang

  Department Of Chemical And Biochemical Engineering Zhejiang University

• Deng Gang

  Department Of Mechanical Systems Engineering Faculty Of Engineering Miyazaki University

• NAKANISHI Tsutomu

  Department of Physics, Nagoya University

• Nakanishi Tsutomu

  Department Of Mechanical Systems Engineering Faculty Of Engineering Miyazaki University

• Nakanishi Tsutomu

  Department Of Materials Sciences Waseda Universit

• Nakanishi Tsutomu

  Department of Materials Science and Engineering, Waseda University, Tokyo 169-8555, Japan

• Nakanishi Tsutomu

  Department of Mechanical Systems Engineering, Faculty of Engineering, Miyazaki University

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