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本文介绍6800马力柴油机曲轴裂纹的不拆卸补焊工艺。六条裂纹总长2635毫米,采用合理的焊接顺序,有效地控制了焊接变形,达到焊接前后主曲柄臂臂距差最大增加0.10毫米的效果。
This article describes the 6800 horsepower diesel engine crankshaft crack repair welding without disassembly. The total length of six cracks is 2635 mm, the welding sequence is effectively controlled, and the welding deformation is effectively controlled. The maximum distance between the arms of the main crank arm before and after welding is increased by 0.10 mm.