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Optimization of partially crowned roller profiles for tapered roller bearings

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Abstract

The roller profile plays a key role in the overall performance of roller bearings. In traditional profile design for roller bearings, the roller profile was often analyzed in terms of the bearing performance, particularly the fatigue life. However, the bearing dynamic stiffness and fatigue life were seldom considered simultaneously in the design of Tapered roller bearings (TRBs). Among the available roller profiles, the partially crowned roller profile has been acknowledged as one of the best from the viewpoint of the bearing fatigue life and stiffness characteristics. This paper presented a design optimization for the partially crowned roller profile to improve the performance of TRBs. Two profile parameters of rollers employed for TRBs including the central flat length and crown radius were investigated. The optimal design parameters for the roller profile were obtained in consideration of both bearing fatigue life and stiffness. The proposed design approach was useful and applicable for further geometrical optimization, manufacturing, and engineering application of rolling bearings.

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Authors and Affiliations

  1. Department of Mechanical System Engineering, Kumoh National Institute of Technology, Daehak-ro 61, Gumi, 730-701, Korea

    Van-Canh Tong & Seong-Wook Hong

Authors
  1. Van-Canh Tong
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  2. Seong-Wook Hong
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Correspondence to Seong-Wook Hong.

Additional information

Recommended by Editor Chongdu Cho

Van-Canh Tong received his M.S. degree in Mechanical Engineering from Hanoi University of Science and Technology, Vietnam in 2011. He is currently a Ph.D. candidate of Kumoh National Institute of Technology, Korea.

Seong-Wook Hong received his M.S. and Ph.D. degrees in Mechanical Engineering from KAIST, Korea, in 1985 and 1989, respectively. Currently, he is a Professor in the Department of Mechanical System Engineering of Kumoh National Institute of Technology, Korea. His current research interests include command shaping for positioning systems, spindle and bearings dynamics, vibration control, and structural vibration analysis for mechanical systems.

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Tong, VC., Hong, SW. Optimization of partially crowned roller profiles for tapered roller bearings. J Mech Sci Technol 31, 641–650 (2017). https://doi.org/10.1007/s12206-017-0117-1

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  • DOI: https://doi.org/10.1007/s12206-017-0117-1

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