In order to improve the laser-arc hybrid welding quality, the rotary-twin-focus laser-TIG(tungsten inert gas) hybrid welding was put forward, which is a new welding method that can improve the welding efficiency at the same time. With the rotary-twin-focus laser-TIG hybrid welding head designed by Beijing University of Aeronautics and Astronautics, a detailed experiment of rotary-twin-focus laser-TIG hybrid welding with different welding parameters was carried out on the 304 stainless steel plate, and the weld parameters infection for the weld appearance quality was analyzed concretely. The results indicate that the coupling effect of laser power and the welding current intensity are the main factors for efficient synergetic effect in rotary-twin-focus laser-TIG hybrid welding process; however the rotary-twin-focus laser rotary frequency has unapparent effect on the weld width and penetration. Compared with the laser welding and the TIG welding process, rotary-twin-focus laser-TIG hybrid welding with the rotary-twin-focus laser and arc efficient synergetic effect increases the welding heat sources efficiency effectively.
Bagger C, Olsen F O. Review of laser hybrid welding[J].Journal of Laser Applications.2005,17(1):2-14
Tusek J, Suban M. Hybrid welding with arc and laser beam[J].Science and Technology of Welding and Joining.1999,4(5):308-311
����,������,��Ǭ��,��.CO2����-TIG���Ϻ�������ı�����ʽ[J].�й�����,2006,33(10):1422-1423 Gao Ming, Zeng Xiaoyan, Hu Qianwu, et al. Shielding gas method of CO2 laser-TIG hybrid welding[J]. Chinese Journal of Lasers,2006,33(10):1422-1423(in Chinese)
������,����,��־��,�ȣ�����-MIG���Ϻ��ӹ��ղ����Ժ�����״��Ӱ��[J]��Ӧ�ü���,2006,26(1):5-9 Xu Lianghong,Peng Yun,Tian Zhiling, et al. The effect of laser-MIG hybrid welding parameters on the geometry of weld[J]. Applied Laser,2006,26(1):5-9(in Chinese)
����,������,������,�ȣ�YAG/MAG����绡���Ϻ������о�[J]�����Ӽ���,2004,33(4):21-24 Chen Li, Dong Chunlin, Lü Gaoshang, et al. Research on YAG laser/MAG arc hybrid welding[J].Welding Technology,2004,33(4):21-24(in Chinese)
Wood B C, Palmer T A, Elmer J W. Comparison between keyhole weld model and laser welding experiments . US:Department of Energy, 2004. http://www.osti.gov/servlets/purl/15006362-xEjko0/native