航空螺纹紧固件非旋转松驰分析及预防  

Analysis and Prevention of Non-rotational Loosening of Aviation Threaded Fasteners

作　　者：王善岭[1] 徐亚楠 WANG Shan-ling;XU Ya-nan(AVIC Chengdu Aircraft Design&Research Institute)

机构地区：[1]航空工业集团公司成都飞机设计研究所

出　　处：《中国标准化》2024年第9期222-226,共5页China Standardization

摘　　要：航空螺纹紧固件是型号使用数量非常多的一种连接件,本文通过在工程应用过程中螺纹紧固件松弛现象分析,提出螺纹紧固件非旋转松驰造成连接失效的重要形式,通过对非旋转松驰的原理进行分析并梳理其构成要素,提出工程中避免非旋转松驰的措施,并结合工程实际探讨在典型环境下防止非旋转松驰的措施和方法。The aviation threaded fastener is a kind of widely used mechanical joint of various types.The paper analyzes loosening phenomenon of threaded fastener in engineering application process,and proposes that the non-rotational loosening of threaded fasteners is an important form of mechanical joint failure.It analyzes the principles of non-rotational loosening to find out the elements,puts forward measures to avoid non-rotational loosening in engineering projects,and discusses measures and methods to prevent non-rotational loosening in typical environment,combined with engineering practice.

关 键 词：螺纹紧固件 非旋转松驰 防松措施 

分 类 号：V229.1[航空宇航科学与技术—飞行器设计] TH131.3[机械工程—机械制造及自动化]