High Effective Double-electrode GMAW Procedure#br#

doi:10.3901/JME.2016.02.013

Abstract

Abstract: On the basis of introducing the high effective double-electrode gas metal arc welding(DE-GMAW) procedure, used decoupling control system for the high-speed DE-GMAW test, measured the base metal’s heat input of DE-GMAW, analyzed the technology and mechanism of DE-GMAW, and improved the DE-GMAW technology, further studied the mixed gas DE-GMAW and dripping transition behavior, and developed single power supply DE-GMAW. The results show that, using decoupling control system makes DE-GMAW welding process better stability, higher accuracy and faster response speed; bypass shunt is the key to realize the high efficiency welding and reduce the base metal’s heat input; Using mixed gas can improve the stability of DE-GMAW, single power supply DE-GMAW formatted good weld and reduced the equipment cost.

Key words: double-electrode gas metal arc welding(DE-GMAW), heat input, mixed gas, technology and mechanism

CLC Number:

TG444

FAN Ding, SHENG Wenwen, HUANG Jiankang, SHI Yu, ZHU Ming. High Effective Double-electrode GMAW Procedure#br#[J]. Journal of Mechanical Engineering, 2016, 52(2): 13-18.

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