Investigation into the Traction Coefficient in Elastohydrodynamic Lubrication

Y.S. Wang; B.Y. Yang; L.Q. Wang

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Investigation into the Traction Coefficient in Elastohydrodynamic Lubrication

机译：弹性流体动力润滑的牵引系数研究

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The elastohydrodynamic traction coefficients of two Chinese aviation lubricating oils were investigated for various loads, rolling velocities, and lubricant inlet temperatures using a self-made test rig. Traction coefficient versus slide-to-roll ratio curves were generated. The concept of critical load varying with the lubricant temperature is proposed. This paper presents a new empirical formula for the dynamic performance design of high-speed rolling bearings, that relates traction coefficient with normal load, rolling velocity, and lubricant inlet temperature. The coefficients of the formula may be computed by regression analysis of the experimental data. Two example calculations are presented. The predicted results from the formula agree well with experimental observations.

机译：使用自制的试验台，研究了两种中国航空润滑油在各种载荷，轧制速度和润滑剂入口温度下的弹性流体动力牵引系数。产生牵引系数对滑动比的曲线。提出了临界载荷随润滑剂温度变化的概念。本文为高速滚动轴承的动态性能设计提供了一个新的经验公式，该公式将牵引系数与正常载荷，滚动速度和润滑剂入口温度相关联。可以通过对实验数据进行回归分析来计算公式的系数。给出了两个示例计算。该公式的预测结果与实验观察非常吻合。

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来源
《TriboTest》 |2004年第2期|p.113-124|共12页
作者
Y.S. Wang; B.Y. Yang; L.Q. Wang;
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作者单位

Harbin Institute of Technology, Harbin, China and Henan University of Science;

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原文格式 PDF
正文语种 eng
中图分类机械、仪表工业;
关键词
rolling bearings; elastohydrodynamic lubrication; traction coefficient; empirical formula; rolling velocity; lubricant temperature;

机译：滚动轴承弹性流体动力润滑牵引系数经验公式滚动速度润滑剂温度;

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3. On the dynamics of elastohydrodynamic mixed lubricated ball bearings. Part I: formulation of stiffness and damping coefficients [J] . M. Sarangi, B. C. Majumdar, A. S. Sekhar Proceedings of the Institution of Mechanical Engineers, Part J. Journal of engineering tribology . 2005,第j6期

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5. Investigation on ball skidding and traction within elastohydrodynamic films [D] . Chen, Shu-Hsing 1989

机译：弹性流体动力薄膜中的打滑和牵引研究
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7. Traction Characteristics of Lubricating Oil under High Pressure : 1st Report, Traction Coefficients at Mean Pressures up to 2.7 GPa [O] . Akira ISHIBASHI, Shigeru HOYASHITA, Keizi SONODA 1985

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Investigation into the Traction Coefficient in Elastohydrodynamic Lubrication

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