NT70型共用平车中梁盖板自动焊接工艺优化

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摘要：介绍了NT70型共用平车中梁盖板焊接时的主要焊接缺陷和提高焊接质量的解决措施，以及如何采用高效的焊接方法提升工作效率和降低员工劳动强度。

关键词：半自动焊小车；CO2气体保护焊；工艺措施；焊接缺陷控制

Optimization of automatic welding process for middle beam cover plate of NT70 common flat train

Abstract： This paper introduces the main welding defects during the welding of the middle beam cover plate of NT70 common flat train and the solutions to improve the welding quality， as well as how to adopt efficient welding methods to improve the work efficiency and reduce the labor intensity of employees.

Keywords： semi-automatic welding car; carbon dioxide gas welding; technological measures; control of welding defects

1 序言

为了适应铁路货运的高质量发展，确保铁路货车的可靠性、安全性和适用性，需要全面提高产品的质量，而焊接质量是制约产品质量的关键因素，通常要求焊接质量达到“外美内实”的标准。（剩余4311字）