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介绍了窄间隙强迫成形电弧焊法在钢轨焊接中的应用 ,重点论述了采用该方法焊接QU80起重轨无缝轨道的焊接材料、焊接工艺及实际应用情况。在实际应用中摸索出了一套可在 - 10℃环境中焊接钢轨的方法。该方法已取得了良好的效果。
The application of narrow gap forced arc welding in rail welding is introduced, and the welding materials, welding technology and practical application of the welding method for seamless track of QU80 lifting rail are discussed emphatically. In practical application, a set of methods for welding the rail in the environment of -10 ℃ has been explored. The method has achieved good results.