Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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An Elastohydrodynamic Lubrication Analysis of Tapered Roller with Profiled Ends

프로파일링한 테이퍼 로울러의 탄성유체윤활 해석

  • Park, Tae-Jo (School of Mechanical Engineering, ERI, Gyeongsang National University)
  • 박태조 (경상대학교 기계공학부.공학연구원)
  • Received : 2012.05.20
  • Accepted : 2012.06.23
  • Published : 2012.08.31
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Abstract

Tapered roller bearings are widely used in high axial-load and radial-load applications. In this study, a numerical analysis is performed to study a finite line contacts EHL problem between a tapered roller and raceway in tapered roller bearings. Converged solutions are obtained for moderate load and material parameters using a finite difference method with non-uniform grids and the Newton-Raphson method. The contours and sectional plots of pressure distribution and film shape are compared. The pressure distribution and film shapes near both ends of the roller are very different from those in the central part and are transversely asymmetric. The maximum pressure and absolute minimum film thickness always occur at the small end of the roller.

Keywords

References

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