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从失效分析入手,研究了发动机18Cr2Ni4WA钢渗碳凸轮的组织与接触疲劳等性能之间的关系,分析了凸轮延寿的技术途径,使凸轮的使用寿命提高了3～5倍。
Starting with the failure analysis, the relationship between microstructure and contact fatigue of the carburized cam of 18Cr2Ni4WA steel was studied. The technical approach of extending the life of the cam was analyzed and the service life of the cam was increased by 3 to 5 times.