NDLI: Study on nonlinear stiffness of rolling ball bearing under varied operating conditions

Content Provider	IEEE Xplore Digital Library
Author	Yamin Li Hongrui Cao Yongsheng Zhu
Copyright Year	2013
Description	Author affiliation: State Key Lab. for Manuf. Syst. Eng., Xi'an Jiaotong Univ., Xian, China (Yamin Li; Hongrui Cao) \|\| Key Labrotory of eEducation Minist. for Modern Design & Rotor-Bearing Syst., Xi'an Jiaotong Univ., Xian, China (Yongsheng Zhu)
Abstract	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.
Starting Page	8
Ending Page	11
File Size	357318
Page Count	4
File Format	PDF
e-ISBN	9781479916573
DOI	10.1109/ISAM.2013.6643509
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-30
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Aircraft Maintenance engineering Atmospheric modeling Aircraft propulsion Aircraft manufacture Manuals Propagation rotor-bearing system rolling element bearing nonlinear stiffness
Content Type	Text
Resource Type	Article

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