Research and Application of Dual-power Parallel MAG Submerged Arc Welding Technology

WANG Xingyang; HAN Liying; GU Xiaohui

doi:10.7512/j.issn.1001-2303.2026.07.07

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Research and Application of Dual-power Parallel MAG Submerged Arc Welding Technology
Vol. 56, Issue 7, Pages: 57-64(2026)
Received：22 April 2025，

Revised：2025-05-18，

Published：20 July 2026
DOI： 10.7512/j.issn.1001-2303.2026.07.07
稿件说明：

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王兴阳，韩丽营，顾晓辉.双电源并联MAG潜弧焊接技术的研究与应用［J］.电焊机，2026，56（7）：57-64. DOI： 10.7512/j.issn.1001-2303.2026.07.07.

WANG Xingyang, HAN Liying, GU Xiaohui.Research and Application of Dual-power Parallel MAG Submerged Arc Welding Technology[J].Electric Welding Machine, 2026, 56(7): 57-64. DOI： 10.7512/j.issn.1001-2303.2026.07.07.

摘要

双电源并联焊接系统的主机采用恒压控制模式，负责调节弧长和脉冲波形，从机采用恒流控制模式，负责输出焊接电流，通过双电源并联波形控制技术实现了主机与从机电流波形的叠加输出。MAG潜弧焊接技术通过特殊的脉冲波形控制技术，在熔池中能够形成稳定的空腔，实现了稳定的潜弧焊接过程，该方法的熔深形貌呈现出熔深大、余高大和熔宽小的特征。基于双电源并联焊接系统的MAG潜弧焊接控制技术，实现了大电流条件下稳定、高效的MAG潜弧焊接过程，可以应用于碳钢中厚板的全熔透焊接，当采取单道焊接对接接头时，厚度为14 mm碳钢板可以实现全熔透焊接，当采取多层多道焊接时，双电源并联MAG潜弧焊接技术更适合打底层和填充层的焊接，可以实现焊接接头根部的全熔透焊接，盖面层可以改用普通脉冲焊接方法以获得更美观的焊缝成形。

Abstract

The master of the dual-power parallel welding system adopts a constant voltage control mode

responsible for regulating the arc length and pulse waveform

while the slave adopts a constant current control mode

responsible for outputting the welding current. Through the dual-power parallel waveform control technology

the superimposed output of the current waveforms of the master and slave is achieved. The MAG submerged arc welding technology

through a special pulse waveform control technique

can form a stable molten pool cavity in the molten pool

achieving a stable submerged arc welding process. The shape of the weld penetration of this method shows the characteristics of large penetration depth

large reinforcement

and narrow bead width. Based on the dual-power parallel welding system

the MAG submerged arc welding control technology realizes stable and efficient MAG submerged arc welding process under high current conditions

making it suitable for full-penetration welding of medium and thick carbon steel plates. When single-pass welding is adopted for butt joints

full-penetration welding can be achieved on 14 mm thick carbon steel plates. When multi-pass welding is adopted

the dual-power parallel MAG submerged arc welding technology is more suitable for the root pass and filler pass welding

achieving full-penetration welding at the root of the weld joint. The capping pass can be performed using conventional pulse welding method to improve the weld appearance.

关键词

Keywords

references

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