Numerical Analysis and Test Study of Bolted Structure

被引：0
|
作者：
Wang, Tao [1 ]
Yu, Shaorong [2 ]
Zheng, Xiaoya [1 ]
Zhang, Duo [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Astronaut, Xian 710072, Peoples R China
[2] China Acad Engn Phys, Inst Struct Mech, Mianyang 621900, Peoples R China
来源：
ADVANCED MECHANICAL ENGINEERING, PTS 1 AND 2 | 2010年 / 26-28卷
关键词：
pre-tightening force; bolt; elastic contact;
D O I：
10.4028/www.scientific.net/AMM.26-28.231
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The theoretical value of bolt pre-tightening torque coefficient is typically 0.2 on load boundary condition simulations. A set of measuring setup has been designed in present study. Through direct measurement and electric measurement, a torque coefficient of 0.15 has been measured. The effects of pre-tightening torque coefficient on bolt stress field are studied numerically. Results show that the coefficient has significant effect on bolt stress fields and relatively conservative results will be achieved if a theoretical value of 0.2 is chosen. Studies on stresses around hole-edge and comparisons with test values show that simulated results of sigma(x), and sigma(y) agree well with test data and the relative errors are no more than 15%.
引用
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页码：231 / +
页数：2
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