测量粗糙度时推荐选择的取样长度 时间:2009-03-06 阅读:1304 Ra(μm) 取样长度推荐值(mm) >5~10 2.5 >2.5~5 >1.25~2.5 0.8 >0.63~1.25 >0.32~0.63 >0.25~0.32 >0.2~0.25 >0,16~0.20 0.25 >0.125~0.16 >0.1~0.125 >0.08~0.1 >0.063~0.08 >0.05~0.63 >0.04~0.05 >0.032~0.04 >0.025~0.032 >0.02~0.025