摘要
论文对摆线针轮线接触弹流润滑进行数值分析，得出啮合过程中最小膜厚，与经验公式对比，验证模型的正确性。以摆线轮 处润滑状态作为判断依据，研究载荷、转速和流变指数对摆线针轮传动润滑状态的影响规律。结果表明：随着转速提高，二次压力峰高度降低并向入口区移动，膜厚相应增加；而随着载荷增加，接触区变宽，二次压力峰增加且向出口区移动，膜厚略微减小；流变指数n增加，二次压力峰先增加后减小，最后趋近于Hertz压力，并向出口区移动，膜厚相应减小。讨论了短幅系数k1对润滑的影响，表明在满足设计要求情况下，短幅系数k1减小，有利于提高润滑性能。
Abstract
Numerical analysis of grease elastohydrodynamic Lubrication for Cycloid Drive, calculate the minimum film thickness value of meshing process and Compared with the experience formula, verify the mathematical model correctness. The average radius of cycloid gear lubrication state as the judgment basis, the effects of rotational speeds，load and rheological parameter on EHL of grease were analyzed. Results show that as speed goes up, the greater the film thickness and pressure spike, and the pressure spike moves toward inlet; As load goes up ,the contact width increase and the pressure spike moves toward outlet, the film thickness decrease less evident; As rheological parameter goes up , the greater the film thickness and pressure spike, and the pressure spike moves toward outlet. Discusses the effect of short amplitude coefficient for lubrication, as short amplitude coefficient decrease, the lubrication performance are improvement.
关键词
摆线针轮 脂润滑 数值解 Ostwald
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Key words
Cycloid Drive Grease Lubrication Numerical Analysis Ostwald
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孙章栋 朱才朝 刘怀举 刘明勇 顾宗琳.
摆线针轮传动线接触弹流润滑分析[J]. 振动与冲击, 2014, 33(23): 195-199
SUN Zhang-dong ZHU Cai-chao LIU Huai-ju LIU Ming-yong GU Zong-lin.
Numerical Analysis of Elastohydrodynamic Lubrication for Cycloid Drive[J]. Journal of Vibration and Shock, 2014, 33(23): 195-199
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脚注
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