Calculation method of radial stress and deformation on conic threaded connections with interference fit

Shoujun CHEN,Qiang LI,Qi AN,

PDF(391 KB)
PDF(391 KB)
Front. Mech. Eng. ›› 2010, Vol. 5 ›› Issue (3) : 302-307. DOI: 10.1007/s11465-010-0018-9
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Calculation method of radial stress and deformation on conic threaded connections with interference fit

  • Shoujun CHEN,Qiang LI,Qi AN,
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Abstract

This paper presents a calculation method for radial stress distribution and deformation on conic threaded connections with interference fit. Based on elastic mechanics, a new calculation model is established using the thick-walled-cylindrical theory. A sample calculation for API 88.9 mm conic threaded connection indicates that the method proposed in this paper is reasonable, and the finite element analysis (FEA) method is used to validate the proposed method. The results obtained by the proposed method and FEA method are identical. The model offers a new way of calculating the radial stress and deformation on conic thread connections with interference fit.

Keywords

conic threaded connections / interference fit / radial stress / deformation / finite element analysis (FEA)

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Shoujun CHEN, Qiang LI, Qi AN,. Calculation method of radial stress and deformation on conic threaded connections with interference fit. Front. Mech. Eng., 2010, 5(3): 302‒307 https://doi.org/10.1007/s11465-010-0018-9
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