Dynamic characteristics analysis of new cylindrical roller bearings

被引：0
|
作者：
Yao Q.-S. [1 ]
Xiang L. [1 ]
Li C. [1 ]
Yu J.-H. [1 ]
机构：
[1] School of Mechanical Engineering, Hunan University of Technology, Zhuzhou
来源：
Zhendong Gongcheng Xuebao/Journal of Vibration Engineering | 2020年 / 33卷 / 04期
关键词：
Elastic composite cylindrical roller bearing; Equivalent stress; Explicit dynamics; Finite element; Mechanical vibration; Vibration displacement;
D O I：
10.16385/j.cnki.issn.1004-4523.2020.04.011
中图分类号：
学科分类号：
摘要：
The dynamic characteristics of elastic composite cylindrical roller bearings with special structural forms are investigated. A finite element model for the elastic composite cylindrical roller bearing with 40%, 50% and 65% filling degree is established in the ABAQUS/Explicit according to the nonlinear contact characteristics between the bearing components. Then, the dynamics simulation analysis is carried out based on the theory of the explicit dynamics. The dynamic equivalent stress variation characteristics and vibration characteristics of the solid cylindrical roller bearing and the elastic cylindrical roller bearing components with different filling degrees under certain working condition are compared and analyzed. The reliability of the simulation results is verified by vibration displacement test. Results show that the elastic composite cylindrical roller bearing can reduce dynamic equivalent stress of bearing components, and the elastic composite cylindrical roller bearing with 40% and 50% filling degree has smaller amplitude than the solid cylindrical roller bearing. The analysis results can provide a theoretical reference for the engineering application of elastic composite cylindrical roller bearings. © 2020, Nanjing Univ. of Aeronautics an Astronautics. All right reserved.
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页码：734 / 741
页数：7
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