Analysis of side-deflection behavior mechanism of GMAW weld section of cable type welding wire

YANG Zekun; XU Kai; YANG Zhanli; ZHANG Yan; FEI Dakui; ZHOU Kun; YANG Yongbo

doi:10.12073/j.hjxb.20230518001

TRANSACTIONS OF THE CHINA WELDING INSTITUTION > 2024 > 45(1): 83-87. > DOI: 10.12073/j.hjxb.20230518001

YANG Zekun, XU Kai, YANG Zhanli, ZHANG Yan, FEI Dakui, ZHOU Kun, YANG Yongbo. Analysis of side-deflection behavior mechanism of GMAW weld section of cable type welding wire[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2024, 45(1): 83-87. DOI: 10.12073/j.hjxb.20230518001

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Analysis of side-deflection behavior mechanism of GMAW weld section of cable type welding wire

YANG Zekun^{1, 2,},
XU Kai^{2, 3},
YANG Zhanli^2, ,,
ZHANG Yan²,
FEI Dakui²,
ZHOU Kun²,
YANG Yongbo²

1.
China Academy of Machinery Science and Technology Group Co. Ltd., Beijing, 100048, China
2.
Harbin Welding Institute Co. Ltd., Harbin, 150028, China
3.
Harbin Welding Institute Co. Ltd., Harbin, 150028, China

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Received Date: May 17, 2023
Available Online: January 07, 2024

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Abstract

Abstract

The side-deflection of weld section in cable type welding wire GMAW will lead to poor fusion of welded joints. Therefore, based on droplet force analysis and the principle of minimum voltage, the mechanism analysis of the change rule of the side-deflection of weld section was carried out. The results show that the current is the key factor affecting the side-deflection of the section. The unique stranded structure of the cable type welding wire causes arc rotation, which leads to the phenomenon of uneven force on the droplet. The transition direction of the droplet is at an angle with the axis of the welding wire, resulting in the phenomenon of side -deflection of the weld section under the action of the droplet impact force. The droplet transition direction gradually tends to the axis, so the side-deflection trend of weld section decreases with the increase of current.
- cable type welding wire,
- GMAW,
- weld section side-deviation,
- droplet transition,
- the principle of minimum voltage

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References (12)

References

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Analysis of side-deflection behavior mechanism of GMAW weld section of cable type welding wire