期刊论文

Research on Thermal-Mechanical Coupling Characteristics of High-Speed Motorized Spindle Angular Contact Ball Bearings

中文

机电产品开发与创新

1002-6673

2023

36

02

76-79

10.3969/j.issn.1002-6673.2023.02.021

衡阳市科技创新重大项目(202150013986)。

本校为第一机构

在高速电主轴转子系统中，角接触球轴承的工作特性受温升的影响显著，极易产生胶合。为了得到更加精确的角接触球轴承瞬态温度场，建立了考虑自旋的角接触球轴承生热及传热模型，并利用MATLAB软件得到了轴承的生热量，随后建立了轴承的三维参数化模型，并基于显示动力学理论在LS-DYNA平台上进行了热-力耦合有限元仿真分析，且对影响轴承瞬态温度场的主要因素进行了研究。研究结果表明：转速与温升呈非线性正相关；高转速下轴承温升对预紧力更加敏感；生热量随预紧力的增加逐渐增大，当施加的预紧力大于最小预紧力时，温升随预紧力增加而变大。研究可为高速电主轴轴承的设计和稳定性分析提供理论...

In the high-speed motorized spindle rotor system,the working characteristics of angular contact ball bearings are significantly affected by temperature rise,and it is easy to produce scuffing failure.In order to obtain a more accurate transient temperature field,a heat ...MORE In the high-speed motorized spindle rotor system,the working characteristics of angular contact ball bearings are significantly affected by temperature rise,and it is easy to produce scuffing failure.In order to obtain a more accurate transient temperature field,a heat generation and heat transfer model considering the s...