On-site induction brazing of tubes
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摘要: 在某型号飞机的总装现场,部分导管的连接是在飞机上装配焊接而成的,传统固定式感应钎焊设备已经不能满足现场安装焊接工艺的要求.针对安装位置导管感应钎焊的特点,研究开发了专用的低损耗功率延伸电缆、钎焊温度的光纤实时测量与控制系统,以及大功率超音频感应加热逆变电源等相关技术,在此基础上研制出了一套安装位置导管感应钎焊设备,并且完成了飞机装配现场的工艺研究.结果表明:该设备及其成套技术完全能够满足导管接头焊接质量的要求,已经成功应用到了该型号飞机安装位置导管钎焊生产线上.Abstract: In a plane factory, some tubes connection is in the plane by welding. Traditional induction brazing device with a fixed coil could not adapt this new process. Considering the characteristic of on-site induction brazing of tubes, a set of equipment and related technologies were developed, including a special low loss connecting power cable,a precise measurement and control system of brazing temperature with a fiber,and an ultrasonic induction heating inverter, and necessary experiments were done. The results show that this device and related technologies can satisfy the welding quality and is successfully applied in the factory.
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Key words:
- induction brazing /
- tubes connection /
- inverters /
- temperature control /
- connecting power cable
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[1] 赵 晶.导管安装位置感应钎焊控制技术的研究 .北京:北京航空航天大学机械工程及自动化学院,2002 Zhao Jing. A study on the control technology for on-site induction brazing of tubing . Beijing:School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, 2002(in Chinese) [2] 赵 晶,齐铂金,张 伟,等. 串联式IGBT串联谐振感应钎焊电源及其控制 .焊接,2003,28(3):22~25 Zhao Jing, Qi Bojin, Zhang Wei, et al. Serial induction brazing power source of IGBT series resonance and its control[J]. Welding, 2003, 28(3):22~25(in Chinese) [3] 赵 晶,齐铂金,陈景武,等. 感应加热中功率延伸电缆结构形式的优选设计[J].北京航空航天大学学报,2002,28(6):629~632 Zhao Jing, Qi Bojin, Chen Jingwu, et al. Optimization design of connecting power cable in induction heating[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(6):629~632(in Chinese) [4] 赵 晶,齐铂金,张 伟,等. PI调节逆变式IGBT感应加热电源频率自动跟踪技术[J].电力电子技术,2003,37(2):12~14 Zhao Jing, Qi Bojin, Zhang Wei, et al. Resonance frequency auto-tracing technology based on PI control for IGBT induction heating power source[J]. Journal of Power Electronics, 2003, 37(2):12~14(in Chinese) -
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