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�������պ����ѧѧ�� 2008, Vol. 34 Issue (04) :431-434    DOI:
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304�������ת˫���㼤��-TIG���Ϻ���
������, ����, �IJ���*
�������պ����ѧ ��е���̼��Զ���ѧԺ, ���� 100083
304 stainless steel rotary-twin-focus laser-TIG hybrid welding
Li Xiaohui, Wang Su, Xia Caiyun*
School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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ժҪ Ϊ����߼���-�绡���Ϻ�������,�����һ���µĺ��ӷ���——��ת˫���㼤��-TIG(Tungsten Inert Gas)���Ϻ���.�����������Ƶ���ת˫���㼤��-TIG���Ϻ���ͷ��304����ֽ����˲�ͬ���Ӳ����µĹ�������,�������˺��Ӳ����Ժ�����ε�Ӱ��.�����������ת˫���㼤��-TIG���Ϻ��ӹ�����,���ӵ����ͼ��⹦�ʵĴ�С���໥�����2����Դ�ܷ���Ч��ϵĹؼ�����,����תƵ�ʵĴ�С�Ժ��������ۿ�Ӱ�첻��,ͨ����ת˫���㼤��͵绡��������ÿ�����Ч����ߺ�����Դ��������.
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Abstract�� 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.
Keywords�� stainless steel   laser welding   TIG(tungsten inert gas)   rotary-twin-focus     
Received 2007-04-03;
About author: ������(1978��),��,�ӱ�������,��ʿ��,l-xiaohui@163.com.
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������, ����, �IJ���.304�������ת˫���㼤��-TIG���Ϻ���[J]  �������պ����ѧѧ��, 2008,V34(04): 431-434
Li Xiaohui, Wang Su, Xia Caiyun.304 stainless steel rotary-twin-focus laser-TIG hybrid welding[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2008,V34(04): 431-434
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2008/V34/I04/431
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