非参数统计学原理在刨切切屑变形研究中的应用

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By using spearman coefficient of rank correlation of nonparametric statistics principle,the paper calculates the data in orthogonal planning experiment,and concludes the relationship between the diameter of cutting chips and various factors,which further verifies the elastic supporting effect of micro-bulge oil film in planning lubrication.通过应用非参数统计学原理中的斯皮尔曼秩相关系数,对正交刨切实验中的数据进行计算,得出了切屑直径同各影响因素之间的关系,进一步验证了刨切润滑时的＂微凸体油膜弹性支承效应＂。