混合弹流润滑下弧齿锥齿轮齿面闪温研究

谷建功; 方宗德; 扶碧波; 祝小元

混合弹流润滑下弧齿锥齿轮齿面闪温研究

1.
西北工业大学机电学院,西安 71007
2.
中国航空工业集团公司中国航空动力机械研究所,株洲 412002

基金项目: 国家自然科学基金(50875211)

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出版历程
- 收稿日期: 2009-11-12
- 修回日期: 2010-01-18
- 刊出日期: 2010-12-28

Study on surface flash temperature for spiral bevel gears under condition of mixed elasto-hydrodynamic lubrication

1.
School of Mechanical Engineering, Northwestern Polytechnical University,Xian 71007
2.
China Aviation Powerplant Research Institute, Aviation Industry Corporation of China,Zhuzhou 412002,China

摘要

摘要: 在布洛克闪温公式的基础上,计算了混合弹流润滑下的齿面平均摩擦因数,提高了公式的计算精度.结合弧齿锥齿轮几何与承载接触分析,通过计算沿齿面啮合点的曲率半径和切向速度,提出了实际润滑状态下沿接触路径的闪温公式.经算例分析表明,弧齿锥齿轮闪温的最大值位于啮入轨迹的中部,随着接触路径的倾斜度和长度的增加,实际重合度增大,啮合点处的载荷减小,闪温的最大值明显减小,其胶合承载能力显著提高.
- 混合弹流润滑 /
- 平均摩擦因数 /
- 弧齿锥齿轮 /
- 闪温 /
- 接触路径
Abstract: The average friction coefficient in the mixed elasto-hydrodynamic lubrication state was derived from Block flash temperature formula,and the calculation precision was improved.In combination with tooth contact and loaded tooth contact analysis of spiral bevel gears,the flash temperature formula under the condition of actual lubrication state was proposed by calculating the surface curvature radiuses and tangential velocities along the contact point.The results show that,its maximum flash temperature locates in the middle of the approach path,but decreases obviously and the scuffing load capacity is enhanced significantly as the inclination and length of the contact path increase,the actual coincidence degree rises and the load at the contact point reduces.
- mixed elasto-hydrodynamic lubrication /
- average friction coefficient /

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参考文献(16)

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