Analysis and Experimental Study on Bearing Temperature Rise of High Speed Machine Tools

Li Jiangshan; Yuan Yong; Hao Daqing; Chen Houqing; Zhang Zhanli

doi:10.16578/j.issn.1004.2539.2023.09.018

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Analysis and Experimental Study on Bearing Temperature Rise of High Speed Machine Tools

Test·Analysis | 更新时间：2023-09-18

- Analysis and Experimental Study on Bearing Temperature Rise of High Speed Machine Tools
- Journal of Mechanical Transmission Vol. 47, Issue 9, Pages: 129-136(2023)
- 作者机构：
  
  1.河南科技大学机电工程学院，河南洛阳 471003
  2.洛阳轴承研究所有限公司，河南洛阳 471039
  3.南京晨光集团有限责任公司，江苏南京 210006
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2023.09.018
  CLC：
- Published：15 September 2023，
  
  Received：01 July 2022，
  
  Revised：21 July 2022，
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李江山,袁勇,郝大庆等.高速机床轴承温升分析及试验研究[J].机械传动,2023,47(09):129-136.

Li Jiangshan,Yuan Yong,Hao Daqing,et al.Analysis and Experimental Study on Bearing Temperature Rise of High Speed Machine Tools[J].Journal of Mechanical Transmission,2023,47(09):129-136.
李江山,袁勇,郝大庆等.高速机床轴承温升分析及试验研究[J].机械传动,2023,47(09):129-136. DOI： 10.16578/j.issn.1004.2539.2023.09.018.

Li Jiangshan,Yuan Yong,Hao Daqing,et al.Analysis and Experimental Study on Bearing Temperature Rise of High Speed Machine Tools[J].Journal of Mechanical Transmission,2023,47(09):129-136. DOI： 10.16578/j.issn.1004.2539.2023.09.018.

摘要

高速机床中的轴承摩擦热会引起滚动体变形、“烧轴”等现象，进而导致轴承疲劳寿命降低，影响设备正常运行。以高速角接触球轴承7003C为例，在高速角接触球轴承拟静力学分析的基础上，对轴承进行受力分析。利用局部法建立轴承的摩擦功耗计算模型；在传热学的基础上分析轴承系统传热，建立热传递模型；利用有限元软件建立轴承系统温升模型并进行温升仿真，分析转速、轴向力、润滑油温度对轴承系统温升的影响规律。最后，设计温升试验并与理论仿真进行了对比验证。结果表明，轴承转速增加、轴向力增大均会使轴承系统温升增加，钢球处温升最高，其次是内圈，最后是外圈；润滑油温度对轴承系统温度变化有重要作用。利用高速轴承温升试验机对轴承外圈温度进行试验研究，试验结果与仿真计算结果最大误差率为11.66%，验证了理论计算与模型仿真的合理性，为研究轴承疲劳寿命提供了一定参考。

Abstract

In high-speed machine tools

the friction heat of bearings will cause the deformation of the rolling body and the "burning shaft"

which will reduce the fatigue life of bearings and affect the normal operation of equipment. Taking high-speed angular contact ball bearing 7003C as an example

based on the quasi-static analysis of high-speed angular contact ball bearings

the force analysis of the bearing is carried out

and the friction power calculation model of the bearing is established by using the local method. Based on the heat transfer theory

the heat transfer model of the bearing system is established. The temperature rise model of the bearing system is established and simulated by using the finite element software

and the effects of rotational speed

axial force and lubricating oil temperature on the temperature rise of the bearing system are analyzed. Finally

the temperature rise test is designed and compared with the theoretical simulation. The results show that the temperature rise of the bearing system increases with the increase of the bearing speed and the axial force

and the temperature rise is the highest at the steel ball

followed by the inner ring

and finally the outer ring. Lubricating oil temperature plays an important role in bearing system temperature changes. The maximum error rate between the test results and the simulation results is 11.66%

which verifies the rationality of the theoretical calculation and the model simulation

and provides some reference value for the study of bearing fatigue life.

关键词

角接触球轴承拟静力学生热量温升模型温升试验

Keywords

Angular contact ball bearingQuasi-staticsHeat generationTemperature rise modelTemperature rise test

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