| 高速主轴角接触球轴承动刚度分析及测试方法 |
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| 引用本文： | 运侠伦,梅雪松,姜歌东,李玉亭,袁世珏. 高速主轴角接触球轴承动刚度分析及测试方法[J]. 振动、测试与诊断, 2019, 39(4): 892-897 |
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| 作者姓名： | 运侠伦 梅雪松 姜歌东 李玉亭 袁世珏 |
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| 作者单位： | （1.西安交通大学陕西省智能机器人重点实验室 西安，710049）（2.西安交通大学机械制造系统工程国家重点实验室 西安，710049）（3.西安交通大学机械工程学院 西安，710049）（4.洛阳轴承研究所有限公司 洛阳，471003） |
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| 基金项目： | 国家科技重大专项基金资助项目（2017ZX04013001） |
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| 摘 要： | 为了准确测试高速电主轴角接触球轴承的动态支承刚度,提出了采用同步激励的方式在线测量主轴动态支承刚度的方法。通过研究残余振动位移和激励响应位移之间的角度关系,推导出了动态支承刚度测试原理,在型号为150SD40Q7的电主轴上进行了动态刚度测试实验,并和仿真结果进行了对比分析。测试结果和仿真结果变化趋势吻合良好,误差较小,验证了该测试方法的有效性,为主轴动态运行刚度的测试提供了一种可靠方法。
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| 关 键 词： | 高速电主轴；角接触球轴承；动刚度；测试原理 |
Dynamic Stiffness Analysis and Test Method of High Speed Spindle Angular Contact Ball Bearing |
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| YUN Xialun,MEI Xuesong,JIANG Gedong,LI Yuting,YUAN Shijue. Dynamic Stiffness Analysis and Test Method of High Speed Spindle Angular Contact Ball Bearing[J]. Journal of Vibration,Measurement & Diagnosis, 2019, 39(4): 892-897 |
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| Authors: | YUN Xialun MEI Xuesong JIANG Gedong LI Yuting YUAN Shijue |
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| Abstract: | l bearings for high-speed electric spindle, a method for measuring the dynamic support stiffness of spindles by means of synchronous excitation is proposed. The dynamic support stiffness test principle is derived by studying the angular relationship between the residual vibration displacement and the excitation response displacement. The dynamic stiffness test is carried out on the electric spindle of the model 150SD40Q7, and the simulation results are compared and analyzed. The test and simulation results have the same trend with a small error. The validity of the test method is verified, which provides a reliable method for testing the dynamic stiffness of the spindle. |
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| Keywords: | high speed electric spindle angular contact ball bearing dynamic stiffness test principle |
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