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Study on Hysteresis and Threaded Fitting Behavior of Bolted Joint with Non-parallel Bearing Surface by Longfei Tan; Chengyu Wang; Yang Liu; Wei Sun; Wei Zhang is a Engineering article available to read on EtoBox.

What is Study on Hysteresis and Threaded Fitting Behavior of Bolted Joint with Non-parallel Bearing Surface about?

Obtaining the static hysteresis behavior of bolted joint and identifying joint parameters are of great significance to design and formulate the assemble process for the bolted joint. In this study, the relationship between the hysteresis behavior and joint parameters of bolted joint is proposed by the bolt analytical model. Then, the tightening process and thread fitting mechanism of bolt under non -parallel bearing faces are analyzed. Next, the effects of non-parallel bearing surface and external load on the joint parameters are analyzed by parametric finite element method. Finally, the friction coefficient extraction and static hysteresis test experiment of the single bolt lap beam are carried out, which verified the theory and finite element model. The results show that establishing a single bolt lap beam with threads and introducing friction coefficient can more accurately predict the stiffness and damping of the bolted joint. The tightening of the non-parallel bearing face bolt generates an additional threaded contact friction pair, which causes a deviation of preload and affects the identification results of the joint parameters.

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Author

Longfei Tan; Chengyu Wang; Yang Liu; Wei Sun; Wei Zhang

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Engineering (Physical Sciences)