客运专线钢轨焊接技术

Rail welding technique of passenger line

我国铁路钢轨焊接主要采用铝热焊、气压焊和闪光焊。综述了客运专线所涉及的这三种钢轨焊接方法的特点、工艺及设备以及常见缺陷产生原因和相应对策,并提出了提高我国钢轨焊接质量的建议。

The artiele summarized the characteristie,the craft and the equipment,the common defect analysis and the countermeasure on the three kinds of welding methods involved Al heat welding,gas pressure wehting and flash bLttt welding meanwhile give some sttggestions on improving welding quality of rail .