Feixiang Xu

Title: **Feixiang Xu: Innovator in Mobile Flash Butt Welding**

Introduction

Feixiang Xu is a distinguished inventor based in Chengdu, China, known for his innovative contributions to the field of rail welding technology. With a focus on enhancing the efficiency and quality of welding processes, he has made a significant impact in the engineering domain through his research and patent work.

Latest Patents

Feixiang Xu holds a patent for a mobile flash butt welding method specifically designed for 136RE+SS heat-treated rail. This invention discloses a comprehensive welding technique that involves multiple stages: a pre-flash stage, a flash stage, a boost stage, an upset stage, and a forge stage. The welding process utilizes a total heat input of 7.1 MJ to 10.0 MJ, with a duration of 110 seconds to 135 seconds, and an upsetting distance ranging from 12.8 mm to 16.7 mm. His method enables successful mobile flash butt welding of heat-treated rails, resulting in rail joints with minimal internal defects but high welding quality that meets rigorous testing standards.

Career Highlights

Feixiang Xu is currently employed at Pangang Group Research Institute Co., Ltd., where he continues to innovate and research advanced welding techniques. His dedication to improving rail welding processes highlights his commitment to engineering excellence and quality assurance in rail infrastructure.

Collaborations

Throughout his career, Feixiang Xu has collaborated with talented colleagues, including Xin Lu and Dadong Li, who share his passion for innovation and have contributed to the successful development of his patented technologies. This collaborative environment fosters creativity and leads to groundbreaking advancements in their field.

Conclusion

As an inventor, Feixiang Xu exemplifies the spirit of innovation in the engineering industry. His work on the mobile flash butt welding method showcases his expertise and dedication to enhancing welding technology, making significant strides toward more reliable and effective methods in rail construction. His contributions not only improve the quality of rail infrastructure but also set new standards for future innovations in the field.