Investigation of process parameters influence on the bolt connection deformation of composite component

Qun Luo; Yongxing Huo; Bofeng Liu; Xiaozhuang Kuang

doi:10.1117/12.3009365

11 October 2023 Investigation of process parameters influence on the bolt connection deformation of composite component

Qun Luo, Yongxing Huo, Bofeng Liu, Xiaozhuang Kuang

Proceedings Volume 12918, Fourth International Conference on Computer Science and Communication Technology (ICCSCT 2023); 129181G (2023) https://doi.org/10.1117/12.3009365
Event: International Conference on Computer Science and Communication Technology (ICCSCT 2023), 2023, Wuhan, China

Abstract

With the increasing application of composite materials in aircraft structures, bolt connections are widely used due to their high reliability, strong bearing capacity, and easy disassembly. However, the forming accuracy of composite components is lower, and inconsistent deformation and assembly stress is easy to occur, which affects the shape accuracy and safety of aircraft seriously. In this paper, taking the assembly of a composite plate and L-shaped stringer as an example, the effects of horizontal clearance between composite components, bolt tightening force, and pin-hole fit clearance on the assembly deformation were analyzed through finite element orthogonal experimental design. The results showed that the average deformation increased with the horizontal clearance, and the average deformation decreased with the tightening force. The finds also demonstrated that pin-hole fit clearance had little effect on the assembly deformation, and the gap filling method was an effective way to restrain the assembly deformation.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Qun Luo, Yongxing Huo, Bofeng Liu, and Xiaozhuang Kuang "Investigation of process parameters influence on the bolt connection deformation of composite component", Proc. SPIE 12918, Fourth International Conference on Computer Science and Communication Technology (ICCSCT 2023), 129181G (11 October 2023); https://doi.org/10.1117/12.3009365

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