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Research Paper | Mechanical Engineering | China | Volume 5 Issue 6, June 2016 | Popularity: 6.9 / 10

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Analysis of Conical Sealing and Spherical Sealing Structure

Wei Li, Hong-Xiang Lei

Abstract: The article takes 60 hydraulic fittings as the research object and uses the finite element analysis software ABAQUS to analyze cone sealing model and multi-group spherical sealing models with different arc radius, study cone sealing contact stress distribution and spherical sealing contact stress and sealing width, and analyze the Von Mises stress of the connecting thread. Analysis results show that the contact stress peak of cone sealing appears on both ends of the sealing surface and its sealing ability relies on intermediate section of sealing surface. The seal width of spherical sealing increases but the contact stress decreases with increasing of arc radius. When arc radius grows, peak stress is closer to the both ends of sealing surface and the contact stress distributes more uniformly.

Keywords: conical sealing, spherical seal, contact stress, sealing width,

Edition: Volume 5 Issue 6, June 2016

Pages: 1216 - 1220

DOI: https://www.doi.org/10.21275/NOV164456

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