Study on Nonlinear Stiffness of Rolling Ball Bearing under Varied Operating Conditions

摘要：

　　Nonlinear stiffness of rolling bearing is the root cause of the nonlinearity of a bearing rotor system.In this paper,bearing stiffness is calculated with a complete model for angular contact ball bearing.The bearing stiffness matrix is then integrated with finite element model of a rotor to study the nonlinear stiffness of rolling bearings.Calculated results are compared with the results of FAG’s online tool (BearinX?) and experiments as well.The good agreements show the accuracy of the presented model.Based on the model of a two-bearing rotor system,the variations of bearing stiffness are studied from three aspects,i.e.,external axial forces effects,external radial forces effects,and high speed effects,which may provide theoretical proofs for the study of bearing rotor systems.

关键词： rolling element bearing nonlinear stiffness rotor-bearing system

作者: Yamin Li Hongrui Cao Yongsheng Zhu

作者单位: State Key Laboratory for Manufacturing Systems Engineering Xian Jiaotong University Xian 710049 Key labrotory of education ministry for modern design and rotor-bearing system Xian Jiaotong Univer

会议类型: 国际会议

会议名称: 2013 International Symposium on Assembly and Manufacturing(2013装配与制造国际专题会议)

会议地点: 西安

会议语种:英文

页码: 135-137

在线出版日期: 2013-07-01（万方平台首次上网日期，不代表论文的发表时间）