基于响应曲面法的不锈钢数控铣削表面粗糙度建模及参数优选  被引量:2

Surface Roughness Modeling in Stainless Steel CNC Milling and Parameters Optimization Based on Response Surface Methodology

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作  者:陈英俊[1] 陈庆华[1] 元泽怀[1] 

机构地区:[1]肇庆学院电子信息与机电工程学院,广东肇庆526061

出  处:《机床与液压》2013年第15期18-21,共4页Machine Tool & Hydraulics

基  金:国家自然科学基金青年基金项目(61006075);广东省教育部产学研结合项目(2011B090400253)

摘  要:采用中心组合设计的响应曲面法对0Cr18Ni9Ti不锈钢进行数控铣削加工试验,建立了表面粗糙度预测模型,分析了各工艺参数对表面粗糙度的影响。结果表明:表面粗糙度随铣削速度的增大而减小,随每齿进给量、铣削深度和铣削宽度的增大而增大,每齿进给量对表面粗糙度的影响最为显著,铣削速度对表面粗糙度的影响最小。同时,为有效减小表面粗糙度值,对各铣削工艺参数进行了优选。By using the response surface methodology of central composite design,the CNC milling experiments of 0Cr18Ni9Ti stainless steel were performed,and a predicative model of surface roughness was established.The effects of each machining parameters on surface roughness were analyzed.The results indicate that the surface roughness decreases along with the increasing of milling speed,and increases along with the increasing of feed rate per tooth,cutting depth and cutting width.Meanwhile,feed rate per tooth is the most prominent factor to influence surface roughness,and cutting speed is that of at minimum.At the same time,the parameters of machining technics are optimized so as to effectively decrease surface roughness.

关 键 词:铣削 表面粗糙度 响应曲面法 参数优化 不锈钢 

分 类 号:TG54[金属学及工艺—金属切削加工及机床]

 

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