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LUO Yu1, ZHANG Zhongliang1,2, ZHOU Canfeng1,2, JIAO Xiangdong1,2, YANG Chenggong1. System modeling and simulation of narrow groove GMAW process for oscillating arc sensing[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(1): 5-8. DOI: 10.12073/j.hjxb.2018390002
Citation: LUO Yu1, ZHANG Zhongliang1,2, ZHOU Canfeng1,2, JIAO Xiangdong1,2, YANG Chenggong1. System modeling and simulation of narrow groove GMAW process for oscillating arc sensing[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(1): 5-8. DOI: 10.12073/j.hjxb.2018390002

System modeling and simulation of narrow groove GMAW process for oscillating arc sensing

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  • Received Date: July 20, 2016
  • In order to study the influence of narrow groove on the welding process, the numerical simulation of GMAW systems based on the oscillating arc sensor has been studied according to the principle of weding energy balance and droplet balance. The mathematical model of four subsystems, including a welding torch oscillation, an arc length, nonlinear arc load and arc welding power source arc, has been built according to the size of the torch height is changing with torch oscillation in the groove. And the mathematical model is transformed into a GMAW system dynamic characteristic simulation model which covers the whole welding loop under Matlab/simulink environment. The results show that when the welding parameters are the same, by operating the system simulation model, the data of the current and voltage waveforms can be obtained which are basically the same as the actual experiments.
  • 吴家洲, 张 华, 李玉龙, 等. 洛伦兹力计算及其对GMAW焊接模拟的影响[J]. 焊接学报, 2016, 37(10): 89-92.Wu Jiazhou, Zhang Hua, Li Yulong,et al. Lorenz force calculation and its influence on GMAW welding simulation[J]. Transactions of the China Welding Institution, 2016, 37(10): 89-92.[2] Ushio M, Mao W. Modelling of an arc sensor for DC MIG/MAG welding in open arc mode: study of improvement of sensitivity and reliability of arc sensors in GMA welding (1st Report)[J]. Journal of Japan Welding Society, 1996,14(1): 99-107.[3] 何建萍, 华学明, 吴毅雄, 等. GMAW 短路过渡动态模型的建立[J]. 焊接学报, 2006, 27(9): 77-80.He Jianping, Hua Xueming, Wu Yixiong,et al. Dynamic model of GMAW system with short cirtuiting trans[J]. Transactions of the China Welding Institution, 2006, 27(9): 77-80.[4] 殷树言. 气体保护焊工艺基础[M]. 北京: 机械工业出版社, 2007.[5] 周灿丰, 吴金锋, 罗 雨, 等. 基于高速摆动电弧传感器的GMAW焊缝跟踪技术研究[J]. 焊接, 2013 (9): 14-17.Zhou Canfeng, Wu Jinfeng, Luo Yu,et al. GMAW seam tracking technology research based on the high-speed swing arc sensor[J]. Welding & Joining, 2013(9): 14-17.[6] Choi J H, Lee J Y, Yoo C D. simulation of dynamic behavior in a GMAW system[J]. Welding Journal New York, 2001, 80(10): 239s-246s.[7] 冯曰海, 卢振洋, 刘 嘉, 等. 全数字控制CO2焊Matlab/Simulink建模与仿真[J]. 焊接学报, 2005, 26(7): 27-32.Feng Yuehai, Lu Zhenyang, Liu Jia,et al. Modeling and simulation of full digital control CO2welding matlab/simulink [J]. Transactions of the China Welding Institution,2005, 26(7): 27-32.
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