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钢轨焊接接头的质量直接影响着机车行车安全。本文主要对铺设无缝线路焊接中的闪光焊、气压焊、铝热焊三种焊接工艺的性质、原理以及相应的优缺点进行了比较说明,指出了它们的主要应用场合以及焊后缺陷的类型及原因,并提出了减少焊接缺陷的应对措施。
The quality of rail welded joint directly affects locomotive driving safety. This paper mainly compares the properties, principles and corresponding advantages and disadvantages of the three welding processes of flash welding, air pressure welding and aluminum thermal welding in the laying of CWR, and points out their main applications and the defects after welding Type and reason, and put forward the measures to reduce welding defects.