曲轴整体式磨削产生的问题与解决措施

针对曲轴修理中整体式磨削产生的曲轴磨削后装入气缸时活塞顶偏高或偏低，工作时发动机漏油，产生异响或振动，并伴有拉缸、拉瓦现象等问题，分析影响曲轴磨削质量问题的多方面因素，认为曲轴磨削前的校正方法、磨削定位基准和夹紧力、磨削精度是影响曲轴修理质量的关键，并提出了解决措施。

The problems of the crankshaft whole bodywearing and the solutions

According to the unsuitable size of the fixation to the cylinder while repairing the crankshaft,engine oil leakage while operation,noise or vibration together with cylinder sticking,casting sticking and so on,Analyzing the factors which affect the crankshaft working condition and the correction,fixation,casting accuracy of the crankshaft are the core and put forward some solutions.