螺栓孔的位置度误差对短精密螺栓连接结构装配力学特性的影响

Translated title of the contribution: Influence of position error of bolt hole on assembly mechanical characteristics of short precision bolted connection structure

Junjie Jiao, Rong Mo, Guangqing Xu, Xuan Fu, Huibin Sun, Zhiyong Chang

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

In order to study the influence of position error of bolt hole on assembly mechanical characteristics, the error model and finite element model considering the position error were built, and the influences of position error on the connection stiffness and stress of bolt hole edge of single short precision bolted connection structure were studied. Computing model and finite model of position error of short precision bolt group were established, and the effects of assembly phases of two parts and assembly position of the 1st bolt on connection stiffness of short precision bolt group were analyzed. It was concluded that position error had a small influence on axial stiffness, and a significant effect on tangential stiffness. The projection of position error in the direction of tangential load was a major influencing factor to the tangential stiffness, and the stress of bolt hole edge reached the maximum at the position of 180°. By computing and comparing standard deviation of the projection and length of position error, three better assembly plans of bolts were obtained.

Translated title of the contributionInfluence of position error of bolt hole on assembly mechanical characteristics of short precision bolted connection structure
Original languageChinese (Traditional)
Pages (from-to)935-947
Number of pages13
JournalHangkong Dongli Xuebao/Journal of Aerospace Power
Volume36
Issue number5
DOIs
StatePublished - May 2021

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