Paper Title:
Finite Element Analysis on the Influence of Back-Up Ring on the Sealing Effect of Rubber O-Ring
  Abstract

Based on finite element analysis software ANSYS, the deformation and force condition of the rubber sealing o-ring pre and post with back-up ring under different oil pressure conditions was analyzed. The von mises stress distribution of the o-ring and the change of contact pressure between o-ring and sealing interface pre and post with back-up ring under different oil pressure conditions were discussed. The results show that, the maximum von mises stress of the o-ring is smaller and the maximum von mises stress of the sealing system concentrates on the left top and the right bottom of the back-up ring after using it; the o-ring will not be extruded into the gap of the groove because of the existence of back-up ring which prevents gap-bite and prolongs service life of the o-ring; the contact pressure between o-ring and sealing interface increased, thus the sealing reliability of the system increased.

  Info
Periodical
Advanced Materials Research (Volumes 199-200)
Edited by
Jianmin Zeng, Zhengyi Jiang, Taosen Li, Daoguo Yang and Yun-Hae Kim
Pages
1595-1599
DOI
10.4028/www.scientific.net/AMR.199-200.1595
Citation
D. X. Li, H. L. Zhao, S. M. Zhang, C. R. Wu, X. L. Liu, S. J. Zheng, "Finite Element Analysis on the Influence of Back-Up Ring on the Sealing Effect of Rubber O-Ring", Advanced Materials Research, Vols. 199-200, pp. 1595-1599, 2011
Online since
February 2011
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$32.00
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