Simulation of GMAW Short Circuiting Transfer Welding Loop System Based on Simulink

Researches of the droplet transfer have an important significance to weld forming of gas metal arc welding and metallurgical process.Based on the Simulink,the model of GMAW short circuiting transfer welding loop system was established,dynamic welding current and welding voltage were simulated,the change of welding current and welding voltage under different technological parameters were analyzed.The model established can be used for researches on stability of short circuit transfer and improvement of welding quality and metallurgical process.