The welding industry is driven to improve productivity without sacrificing quality. For thick material welding, the current practice is to use backing or multiple passes. The laser welding process, capable of achieving deep narrow penetration, can significantly improve welding productivity for such applications by reducing the number of passes. However, its competitiveness in comparison with traditional arc welding is weakened by its high cost, strict fit-up requirement, and difficulty in welding large structures. In this work, a different method, referred to as double-sided arc welding (DSAW) is developed to improve the arc concentration for arc welding. A sensing and control system is developed to achieve deep narrow penetration under variations in welding conditions. Experiments verified that the pulsed keyhole DSAW system developed is capable of achieving deep narrow penetration on a 1/2 inch thick square butt joint in a single pass.
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August 2002
Technical Papers
Sensing and Control of Double-Sided Arc Welding Process
Y. M. Zhang, Mem. ASME,
Y. M. Zhang, Mem. ASME
Welding Research Laboratory, Center for Robotics and Manufacturing Systems and Department of Electrical and Computer Engineering, University of Kentucky, Lexington, KY 40506
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S. B. Zhang,
S. B. Zhang
Welding Research Laboratory, Center for Robotics and Manufacturing Systems and Department of Electrical and Computer Engineering, University of Kentucky, Lexington, KY 40506
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M. Jiang
M. Jiang
Welding Research Laboratory, Center for Robotics and Manufacturing Systems and Department of Electrical and Computer Engineering, University of Kentucky, Lexington, KY 40506
Search for other works by this author on:
Y. M. Zhang, Mem. ASME
Welding Research Laboratory, Center for Robotics and Manufacturing Systems and Department of Electrical and Computer Engineering, University of Kentucky, Lexington, KY 40506
S. B. Zhang
Welding Research Laboratory, Center for Robotics and Manufacturing Systems and Department of Electrical and Computer Engineering, University of Kentucky, Lexington, KY 40506
M. Jiang
Welding Research Laboratory, Center for Robotics and Manufacturing Systems and Department of Electrical and Computer Engineering, University of Kentucky, Lexington, KY 40506
Contributed by the Manufacturing Engineering Division for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received Nov. 2000; Revised Sept. 2001. Associate Editor: S. Jack Hu.
J. Manuf. Sci. Eng. Aug 2002, 124(3): 695-701 (7 pages)
Published Online: July 11, 2002
Article history
Received:
November 1, 2000
Revised:
September 1, 2001
Online:
July 11, 2002
Citation
Zhang, Y. M., Zhang , S. B., and Jiang, M. (July 11, 2002). "Sensing and Control of Double-Sided Arc Welding Process ." ASME. J. Manuf. Sci. Eng. August 2002; 124(3): 695–701. https://doi.org/10.1115/1.1467603
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