评论:表面粗糙度的主要参数

表面粗糙度也称表面光洁度,通过表面粗糙度仪测量得到数据,一般在国内通用的为Ra值  粗糙度的单位为:微米(um)具体请查看以下资料:7.3 表面粗糙度参数及定义7.3.1 轮廓算术平均偏差Ra在取样长度内轮廓偏距的算术平均值。 11niiRayn==7.3.2 轮廓均方根偏差Rq在取样长度 [更多>>]

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