Research of laser surface strengthening technique for HT300 camshaft of motorcycle
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摘要: 用(L934)正交试验法研究HT300摩托车凸轮轴激光处理时工艺参数优化组合,分析了HT300摩托车凸轮轴激光处理方法,结果表明,对HT300摩托车凸轮轴进行激光相变硬化处理和激光熔凝各有其特点,可视具体情况选取,以满足不同零件工作表面的要求。硬度测试及耐磨性能试验表明,激光相变处理和激光熔凝处理后摩托车凸轮轴工作表面较激冷处理后硬度分别提高31%和76%及绝对磨损体积分别下降了70%和110%,可满足凸轮轴工作要求,试验结果为改进零件表面处理方法提供了依据。Abstract: The paper deals with the results on processing parameters of laser transformation hardening and laser surface melting for HT300 camshaft of motorcycle by using(L934) orthogonal experiment.The results show that the two processing methods provide different characteristics respectively,which adopt to different practical technology requirement of camshaft surface.The analysis of structure with/without laser strength treatment and comparative tests of abrasive resistance measurement for sample HT300 prove that the surface hardness and wearability by laser strength treatment are better than chilling treatment.The experimental results provide a basis to improve the surface properties of components.
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Keywords:
- laser strengthening treatment /
- camshaft of motorcycle /
- HT300
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