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han qiang qing jiao dui rong chi zhen dang de ying xiang
Author(s): 
Pages: 127-132
Year: Issue:  1
Journal: Materials Science and Technology

Keyword:  welding pool oscillationwelding torch inclination angle;
Abstract: The pool oscillation signals can be detected conveniently by inclining the welding torch to the front for a travelling GTAW process.The phenomenon of the pool drag is controlled effectively by inclination of the welding torch, In order to ensure reliable oscillation of full penetration pool,there is a matching range of the relationsip between inclination angle of the welding torch and the welding speed,In this range the change of the welding torch angle does not effect the ehractristics of the pool oscillation.In the experiments of butt welding it was found that joint gap and misalignment do not influence the ch- ractristics of the pool oscillation.
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