| 惯性陀螺仪高速精密微型球轴承的动态摩擦力矩特性 |
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| 引用本文： | 李松生,凌杰,陈剑.惯性陀螺仪高速精密微型球轴承的动态摩擦力矩特性[J].上海大学学报(自然科学版),2014,20(4):429-441. |
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| 作者姓名： | 李松生 凌杰 陈剑 |
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| 作者单位： | 1. 上海大学机电工程与自动化学院, 上海200072; 2. 上海市智能制造及机器人重点实验室, 上海200072 |
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| 基金项目： | 国家科技攻关计划资助项目(2001BA203B03); 上海市机械自动化及机器人重点实验室资助项目(D11010909026); 上海大学创新基金资助项目(SHUCX128001) |
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| 摘 要： | 针对高速精密球轴承内部动态摩擦力矩对惯性陀螺仪性能的影响问题, 在高速微型球轴承拟动力学基础上结合能量守恒原理, 考虑润滑油特性, 按照摩擦产生的机理建立了摩擦力矩的数学分析模型, 对高速条件下不同工况、结构参数和润滑油特性等对轴承内部摩擦力矩的影响进行了分析, 并进行了系统的试验研究. 结果表明, 该数学模型正确可行, 可以指导高速微型球轴承的设计、优化和应用.
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| 关 键 词： | 高速微型球轴承 摩擦力矩 拟动力学 润滑油特性 试验机 |
| 收稿时间： | 2014-03-03 |
Characteristics of Dynamic Friction Torque for Inertial Gyro High-Speed Micro Ball Bearing |
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| LI Song-sheng,LING Jie,CHEN Jian.Characteristics of Dynamic Friction Torque for Inertial Gyro High-Speed Micro Ball Bearing[J].Journal of Shanghai University(Natural Science),2014,20(4):429-441. |
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| Authors: | LI Song-sheng LING Jie CHEN Jian |
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| Institution: | 1. School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200072, China;
2. Shanghai Key Laboratory of Intelligent Manufacturing and Robotics, Shanghai 200072, China |
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| Abstract: | Internal dynamic friction torque of the high-speed precision ball bearing affects performance of inertial gyros. A mathematic model of friction torque is established by taking into account the characteristics of lubrication oil and friction mechanism, and based on the quasi-dynamics of high-speed micro ball bearing and the principle of energy conservation. The friction torque is calculated and analyzed under different bearing working conditions including structure parameters and lubrication oil parameters in high-speed operations. Experimental results show the validity and feasibility of the mathematical model.
Guidance can be provide for the design, optimization, and applications of high-speed micro ball bearing. |
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| Keywords: | friction torque lubrication oil characteristics quasi-dynamics high-speed micro ball bearing test machine |
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