大型真空电子束焊接舱设计分析与研制  

Research and Development of Large Vacuum Electron Beam Welding Cabin

作　　者：徐晓飞 马轶伦 李初晔 左从进 XU Xiao-fei;MA Yi-lun;LI Chu-ye;ZUO Cong-jin(AVIC Manufacturing Technology Institute,Beijing 100024,China)

机构地区：[1]中国航空制造技术研究院,北京100024

出　　处：《机械设计与制造》2022年第11期218-223,共6页Machinery Design & Manufacture

基　　金：科技重大专项—工信部“高档数控机床与基础制造装备”科技重大专项“国产真空电子束焊接设备在航天飞航弹体轻量化复杂构件加工中的适用性研究”(2018ZX04014001-005)。

摘　　要：大型真空电子束焊接舱是真空电子束焊接技术在航天飞航弹体轻量化、复杂化、大型化结构件制造过程的应用基础和关键部件。介绍了大型真空电子束焊接舱的重要组成和结构特点;利用数字化技术实现了真空室的设计分析和3D数模设计;完成了真空系统主要元器件的选型计算和校核;利用分析软件验证了真空室在工作状态下的应力-应变和吊装时的安全可靠性,并提出了优化改进方向;根据真空室焊接易变形的特点,制定了真空室和室大门的焊接制造工艺;最后用实例验证了大型真空电子束焊接舱的关键技术指标,证实了研制方案的可行性和可靠性。The large vacuum electron beam welding cabin is the foundation and key components of the application of vacuum electron beam welding technology in the manufacturing process of lightweight,complex and large-scale structural parts of aerospace missiles.The components and characteristics of welding cabin is introduced;The analysis and 3D model of vacuum chamber are realized by digital technology;The selection and verification of the main components of the vacuum system have been completed;The Stress-Strain and hoisting safety of vacuum chamber and door is checked using software,and the direction of optimization and improvement is put forward;The welding technology of vacuum chamber and door is advanced because of welding deformation;Finally,the key technical indexes of the large vacuum electron beam welding cabin are verified by examples,and the feasibility and reliability of the development scheme are verified.

关 键 词：大型 真空 焊接舱 应力-应变 研制 

分 类 号：TH16[机械工程—机械制造及自动化]