Effect of laser beam on double wire pulsed MIG welding process

被引:0
作者
Lou Liyan [1 ]
Li Huan [1 ]
Wang Xuyou [2 ]
Wang Wei [2 ]
Gao Ying [3 ]
机构
[1] Tianjin Univ, Tianjin Key Lab Adv Joining, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China
[2] Harbin Welding Inst, Harbin 150080, Heilongjiang, Peoples R China
[3] Tianjin Univ Technol & Educ, Sch Mech Engn, Tianjin Key Lab High Speed Cutting & Precis Machi, Tianjin 300222, Peoples R China
来源
MECHANICAL AND ELECTRONICS ENGINEERING III, PTS 1-5 | 2012年 / 130-134卷
关键词
hybrid welding; laser; metal transfer mode; arc shape;
D O I
10.4028/www.scientific.net/AMM.130-134.4169
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Based on the coupling of laser beam and double arcs, a novel process was investigated. This research set up the laser-double wire pulsed MIG hybrid welding system. Meanwhile the current and voltage sensors were used to detect welding current and arc voltage wave-form and high-speed videography system was used to observe the metal transfer process and arc behavior. The three signals were acquired synchronously. The results showed that the synergic action of the three different heat sources leads to a change in metal transfer mode. It was revealed that the metal transfer mode was two droplets per pulse in laser-double wire hybrid welding process while one droplet per pulse in double wire welding process with the same certain experiment parameters. And we also discovered that the arcs were attracted strongly by the laser beam.
引用
收藏
页码:4169 / +
页数:2
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