Research on prediction of incomplete fusion of girth weld in automatic welding of pipeline

Bangyu Wang; Tao Han; Guangxue Chen; Xin Zhang

doi:10.1117/12.2635310

25 April 2022 Research on prediction of incomplete fusion of girth weld in automatic welding of pipeline

Bangyu Wang, Tao Han, Guangxue Chen, Xin Zhang

Proceedings Volume 12244, 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022); 122441E (2022) https://doi.org/10.1117/12.2635310
Event: 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022), 2022, Guilin, China

Abstract

Automatic welding technology plays a more and more dominant role in the construction of oil and gas pipelines, and incomplete fusion is one of the main defects of pipeline automatic welding, which directly affects the quality and safety of pipelines and the efficiency of on-site construction. In the present paper, SYSWELD software is used to simulate the process of automatic welding of X80 pipeline steel. The effects of wire eccentricity on the incomplete fusion of the hot welding layer were studied. The results show that the eccentricity of the welding wire has the greatest influence on the temperature field. The welding wire eccentrics will lead that some base metals failing to reach the melting point and causing incomplete fusion.

Citation Download Citation

Bangyu Wang, Tao Han, Guangxue Chen, and Xin Zhang "Research on prediction of incomplete fusion of girth weld in automatic welding of pipeline", Proc. SPIE 12244, 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022), 122441E (25 April 2022); https://doi.org/10.1117/12.2635310

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