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介绍了不同材料凸轮、挺杆的擦伤、疲劳磨损、抛光磨损试验情况和冷激铸铁淬火挺杆、可淬硬铸铁挺杆、凸轮轴的性能,分析了金相组织、摩擦表面的硬度差和表面处理等冶金因素对擦伤、疲劳磨损及抛光磨损的影响。
The paper introduces the abrasion, fatigue wear, abrasion test of different material cams and tappets, as well as the condition of chilled cast iron quenching tappet, hardenable cast iron tappet and camshaft, analyzes the difference of microstructure and friction surface hardness And surface treatment and other metallurgical factors on the abrasion, fatigue wear and abrasion effects.