A Review of Aeroengines’ Bolt Preload Formation Mechanism and Control Technology

The bolt connection structure is widely used in the connection of aeroengine parts, and its connection quality is very important, as it can directly affect the geometric and dynamic performance of the aeroengine. Taking the bolt preload as the entry point, the research status of bolted aeroengine co...

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Bibliographic Details
Published in:Aerospace 2023-03, Vol.10 (3), p.307
Main Authors: Li, Zhaoyu, Li, Xiaoqiang, Han, Yujie, Zhang, Pengfei, Zhang, Zongjiang, Zhang, Mingming, Zhao, Gang
Format: Article
Language:English
Subjects:
aeroengine
Aerospace engines
Analysis
Approximation
bolt connection
Control systems
Friction
mechanism
preload
Pressure distribution
process
Tightening
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Summary:The bolt connection structure is widely used in the connection of aeroengine parts, and its connection quality is very important, as it can directly affect the geometric and dynamic performance of the aeroengine. Taking the bolt preload as the entry point, the research status of bolted aeroengine connections in recent years is summarized based on the bolt preload formation mechanism and control technology in this review. For the research of the preload formation mechanism, single and multiple bolts of aeroengine bolt arrays are analyzed. According to the characteristics of aeroengine bolt connections, the research of aeroengine bolt preload control technology is divided into two parts: bolt tightening technology, and bolt tightening equipment. Finally, based on the summarization of the research, the future research prospects are evaluated and discussed.
ISSN:2226-4310
2226-4310
DOI:10.3390/aerospace10030307