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中文摘要：
Al2O3陶瓷激光铣削工艺受多种因素影响。基于正交试验方法优化陶瓷激光铣削参数组合,采用极差分析得到了各因素对铣削深度的影响程度大小,并以此为基础优化工艺参数,进行Al2O3陶瓷圆形型腔的激光铣削试验。结果表明：各因素对激光铣削深度的影响大小顺序依次为激光功率、扫描速度、搭接量、离焦量。采用优化后的工艺参数进行加工,单层铣削深度可达到0.4mm,铣削效果令人满意;未吹除的表面熔渣大大增加了加工件表面粗糙度,应增加辅吹气体气压来改善加工件表面质量。
英文摘要：
Milling of Al2O3 ceramic is affected by various factors.Combination of laser milling parameters was optimized based on orthogonal experiment in this study.The affect degree of the parameters on the milling depth was obtained by range analysis,based on which process parameters were optimized and laser milling experiment was taken on circular cavity using optimized parameters.The results indicated that the sequence of the factors affecting on the milling depth was laser power,scanning speed,overlap amount,defocused quantity successively.By using optimized parameters,milling depth of 0.4mm was obtained for single layer experiment,and milling result was satisfactory.The roughness was increased because the molten on the specimen surface failed to be removed,thus the pressure of the assist huff gas should be increased to improve the surface quality.
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