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In this paper a visual servo control system is designed to realize the accurate tracking of the narrow butt seam of the thin plate. An effective “and” operation and statics method is proposed to reduce the image noises caused by various disturbances in the welding process. And the ROI of the image is determined to improve the efficiency of the image processing. The feature line of the thinned seam...
The laser welding technology for manufacturing light car body is studied. A industrial robot, a seam tracking system and 4 kW CW Nd:YAG laser are used for robot based laser welding system. The laser system is used 4 kW Nd: YAG laser(HL4006D) of Trumpf and the robot system is used IRB6400R of ABB. The monitoring method of welding quality and seam tracking technology along the butt-joint are studied...
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