激光淬火技术在发动机曲轴上的应用
Application of Laser Quenching in Overhaul of Engine Crankshaft
申超英1, 曹 熹
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作者单位：1. 商丘职业技术学院, 河南 商丘 476000; 2. 商丘技师学院, 河南 商丘 476000
中文关键字：发动机大修； 激光淬火； 曲轴
英文关键字：engine overhaul; laser quenching; crankshaft
中文摘要：介绍了激光淬火提高曲轴抗磨损、抗疲劳性的强化机理、激光处理工艺及方式、方法，讨论了激光淬火强化效果的影响，总结并分析了强化效果。 结果表明：在优化的工艺条件下，激光淬火不仅提高了曲轴的耐磨性和抗疲劳性，而且还延长了其使用寿命。
英文摘要：The strengthening mechanisms of laser quenching for improving wear resistance and fatigue resistance of ductile iron crankshaft were introduced. The processing processes and methods were also analyzed. The effects of laser quenching strengthening effectiveness were summarized. The results show that under the conditions of optimum process, the wear resistance and fatigue resistance improve and the worklift of crankshaft can be prolonged.