Investigation of laser welding development and application on high standard stainless steel railway vehicle

Hongxiao Wang; Chunsheng Wang; Guangzhong He; Wenwen Gao; Kai Li; Chunyuan Shi

doi:10.1117/12.2616599

24 November 2021 Investigation of laser welding development and application on high standard stainless steel railway vehicle

Hongxiao Wang, Chunsheng Wang, Guangzhong He, Wenwen Gao, Kai Li, Chunyuan Shi

Author Affiliations +

Proceedings Volume 12060, AOPC 2021: Advanced Laser Technology and Applications; 120601W (2021) https://doi.org/10.1117/12.2616599
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

In this paper, aiming at high-end stainless steel subway products, a new product of stainless steel rail vehicles manufactured by using thin plate lap laser welding instead of resistance spot welding was first developed in China, which made the stainless steel car body structure more optimized, and the welding quality and manufacturing process of its car body steel structure were significantly improved, and advanced stainless steel vehicles entered the high-end vehicle market. Therefore, this paper develops the laser welding process of stainless steel car body, optimizes the process parameters, defines the weld quality standard and develops the weld quality monitoring device, builds the laser welding manufacturing system, and realizes the batch application of the new laser welding technology in high-end stainless steel rail vehicle products. At present, it has formed the world's leading batch production capacity of high-end stainless steel vehicle products and improved the competitiveness of the company at home and abroad.

Citation Download Citation

Hongxiao Wang, Chunsheng Wang, Guangzhong He, Wenwen Gao, Kai Li, and Chunyuan Shi "Investigation of laser welding development and application on high standard stainless steel railway vehicle", Proc. SPIE 12060, AOPC 2021: Advanced Laser Technology and Applications, 120601W (24 November 2021); https://doi.org/10.1117/12.2616599

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