This paper presents the product structure ,welding quality requirement ,assembling and welding scheme of the spring pedestal which used in the bolster beam of High - power AC Transmission Electric Locomotive .According to the analysis of the welding fault which caused by manual welding method and robot -welding method ,improved the welding technics and established an effective solution ,finally ensures the welding quality and heightens the manufacture efficiency of the spring pedestal which used in the bolster beam .% 文章介绍了大功率交流传动电力机车枕梁簧座产品结构、焊接质量要求、装配和焊接方案，对焊接缺陷进行了系统分析，制定了有效的解决措施，保证了枕梁簧座的焊接质量，提高了生产效率。
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