Thermitwelding and elastic fastening device can reduce the number of joints, overcome the thermal expansion and cold shrinkage of rails, and make the operation of traveling crane smooth and steady.
This paper analyzes various welding defects appearing in the process of thermitwelding, and advances some control measures.
分析了铝热焊焊接过程中出现的各种焊接缺陷，并提出了预防措施。
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By comparison with manual arc welding, it is found that the thermitwelding is a efficiency, energy saving and high quality process for repair welding of steel ingot die.