Contact trajectory of angular contact ball bearings under dynamic operating condition. (December 2016)

• Record Type: Journal Article
• Authors: Xi, H.; Wang, H.Y.; Han, W.; Le, Y.; Xu, H.; Chen, W.; Xu, S.N.; Wang, F.C.
• Is Part Of: Tribology international. Volume 104(2016)
• Page Start: 247
• Page End: 262
• Publication Date: 2016-12
• Subjects: Angular contact ball bearings -- Contact trajectory -- Dynamics -- Axial and radial loading; Tribology -- Periodicals; 621.89
• DOI: 10.1016/j.triboint.2016.08.040
• Languages: English
• ISSNs: 0301-679X

Abstract

Abstract: A contact trajectory model of ball bearings under the dynamic condition was developed by the means of the development of the integrated multi-body dynamics and multi-freedom kinematics with the multi-interfacial contact mechanics. Subsequently, the general methodology was employed to investigate the dynamic contact performance of ball bearings, particularly for the contact trajectory along the raceways due to each ball against the inner and outer raceways. It was found that the radial loading and inner ring misalignment could lead to the deviation of the contact trajectory on the raceways. The variation of contact angle could bring into the correspondence with the deviation of the contact trajectory on the raceways. The oscillation frequency of the contact trajectory on the outer raceway was higher than one on the inner raceway either under the axial and radial loading or misalignment condition. Highlights: The contact trajectory model of ball bearings under the dynamic operating condition was developed. The radial loading could lead to the deviation of contact trajectory on the outer and inner raceway. The contact trajectory could lead to the non-uniformed distribution on the ball surface. The contact angle changed with the deviation of contact trajectory on the outer and inner raceway. The bigger misalignment of inner ring could lead to the larger oscillation of contact trajectory.