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HUANG Jiankang, ZHU Ming, SHI Yu, ZHANG Yuming, Fan Ding. Modeling and simulation for DE-GMAW[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2012, (6): 63-67.
Citation: HUANG Jiankang, ZHU Ming, SHI Yu, ZHANG Yuming, Fan Ding. Modeling and simulation for DE-GMAW[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2012, (6): 63-67.
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Modeling and simulation for DE-GMAW

  • 1.

    Key Laboratory of Non-ferrous Metal Alloys and Processing, The Ministry of Education, Lanzhou University of Technology, Lanzhou 730050, China

  • 2.

    Center for Manufacturing, University of Kentucky, Lexington, KY 40506, USA

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  • Received Date: April 13, 2011
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    • Abstract
  • A dynamic mathematical model for welding arc was developed by adopting the method of equivalent current path according to the arc dynamic characteristics of DE-GMAW process and the rule of wire-melting.Based on that,simulations about non-consumable DE-GMAW and consumable DE-GMAW were carried out by MATLAB/Simulink.Then the influence of welding torches angle on stability of DE-GMAW process was simulated and analyzed.The results show that the developed mathematical model can reflect the DE-GMAW process well.When the angel between main and bypass torch is 45°,the response time for welding process to achieve stability is the shortest and is consistent with the actual welding process and the non-consumable DE-GMAW is much more stable than consumable DE-GMAW.
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