多拐曲轴的修复是整个柴油机修复质量的关键,如不能修复到曲轴的设计形位公差,将给整机的动力性、经济性和使用寿命带来巨大的隐患,轻则使发动机的振动、噪声、排放超标、整机动力性能不足,经济指标下降,严重时造成柴油机报废。1原因分析在我们2002年前经修复的柴油机多拐曲轴 Multiple crankshaft repair is the key to the quality of the entire diesel engine repair, such as the crankshaft can not be repaired to the design form of position tolerance, will give the whole machine power, economy and service life bring great risks, ranging from the engine vibration, Noise, excessive emissions, the whole lack of dynamic performance, economic indicators decline, resulting in serious diesel scrapped. 1 Cause Analysis The diesel engine that we repaired in 2002 had many crankshafts