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分析了不同匹配的凸轮─挺杆摩擦副的特性，指出不同热处理手段、金相结构、硬度、表面处理对凸轮一挺杆冶金摩擦副的性能、寿命影响很大。
The characteristics of different mating cam - tappet friction pairs are analyzed. It is pointed out that different heat treatment methods, metallurgical structure, hardness and surface treatment have a great influence on the performance and life of the cam - tappet metallurgy friction pair.