某型机主起落架撑杆螺栓裂纹问题原因分析  

Analysis of the Cause of Crack in the Stay Rod Bolt of Main Gear for a Certain Type of Aircraft

作　　者：曾琼芝 魏生宇 郑球 Zeng Qiongzhi;Wei Shengyu;Zheng Qiu(AVIC Hongdu,Nanchang,Jiangxi,330095)

机构地区：[1]航空工业洪都,江西南昌330095

出　　处：《教练机》2024年第2期55-60,共6页Trainer

摘　　要：某型机主起落架发生裂纹情况,一旦出现断裂会造成安全事故。本文采用理化分析及故障树排除法对撑杆螺栓产生裂纹的原因进行了分析,并提出了相应的解决方法,避免类似问题的再次出现。A crack was found on the main landing gear of a certain type of aircraft,which would cause safety accidents once it breaks.This paper analyzes the cause of crack in the stay rod bolt by using physical and chemical analysis and fault tree elimination method,and proposes corresponding solutions to avoid the recurrence of similar problems.

关 键 词：裂纹分析 撑杆螺栓 理化分析 

分 类 号：V267[航空宇航科学与技术—航空宇航制造工程]