粗算方法:直徑D=25.4/目數(shù)*0.65 目數(shù)=25.4/直徑*0.65
40目0.45mm 60目0.3mm,80目0.2mm,100目0.15mm,120目0.125mm,150目0.1mm,180目0.088mm,200目0.074mm,250目0.065mm,300目0.05mm
粗算方法:直徑D=25.4/目數(shù)*0.65 目數(shù)=25.4/直徑*0.65
40目0.45mm 60目0.3mm,80目0.2mm,100目0.15mm,120目0.125mm,150目0.1mm,180目0.088mm,200目0.074mm,250目0.065mm,300目0.05mm