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Finite Element Analysis of the Contact Stress Characteristics in Scraper Seals
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 Title & Authors
Finite Element Analysis of the Contact Stress Characteristics in Scraper Seals
Kim, Chung-Kyun;
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 Abstract
This paper deals with a numerical study of the tribological contact stress distributions of elastomeric lip seals for oscillating shafts when the sealing interference and band width between the lip ease or contact seals and the shaft are present. Using the finite element method the contact stress and band width of scraper seals are analyzed for the sealing interference including some nonlinearities such as geometrical nonlinearity, material nonlinearity and nonlinear contact boundary condition. The FEM results showed that the contact stress concentrated on the contacting lip zone between the contacting edge of lip and the shaft for the increased interference. In double lip scraper seals, ole maximum contact stress of the dust lip, which is used to exclude foreign contaminants is six times higher than that of the primary sealing lip, which is used to contain lubricants.
 Keywords
Scraper Seal;Contact Stress;Sealing Interference;Flinger Spring;Finite Element Method;
 Language
Korean
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