钛合金无扩口组合导管滚压连接工艺研究  

Research on the rolling connection technology of titanium alloy non-flaring combined ducts

作　　者：张海宝 耿育科 任国辉 王辉 毛晓博 ZHANG Haibao;GENG Yuke;REN Guohui;WANG Hui;MAO Xiaobo(AVIC Xi’an Aircraft Industry Group Co.,Ltd.,Xi’an 710089,CHN)

机构地区：[1]中航西安飞机工业集团股份有限公司,陕西西安710089

出　　处：《制造技术与机床》2024年第7期144-148,共5页Manufacturing Technology & Machine Tool

摘　　要：文章采用试验和有限元仿真对比及迭代优化的方法,分析了钛合金导管无扩口滚压过程中管材的变形过程,确定了滚压工艺参数(滚压力矩)、滚柱角度对滚压连接成形过程的影响规律;开展了气密、耐压、爆破、连接强度和弯曲疲劳等多组参数试验,对钛合金导管无扩口连接件的密封性能进行对比测试,确定了最优钛合金导管无扩口滚压工艺参数,为钛合金导管接头质量和可靠性的提高提供理论基础。A method of combining experiments and finite element simulation was adopted in this article,which is analyzed the deformation process of titanium duct without expansion and rolling process.Influence of rolling process parameters(rolling torque) and roller angle on the forming process of rolling connections was determined.Multiple groups of parameter experiments such as air dense,pressure resistance,blasting,connection strength,and bending fatigue are carried out.Comparative testing was conducted on the sealing performance of titanium alloy conduit without expansion joints.The optimal titanium ducts without expansion and rolling process parameters are determined,which is providing a theoretical basis for improving the quality and reliability of the catheter joint.

关 键 词：钛合金 无扩口 导管 滚压连接 

分 类 号：TH13[机械工程—机械制造及自动化] V229.5[航空宇航科学与技术—飞行器设计]