精密轴技术参数Technical?panrameter?of?precision?shaft规格(Specification):Φ6-Φ250mm直线公差(Straightness?tolerance):≤0.15/1000mm直径公差(Tolerance):f7,f8,h6表面粗糙度(Surface?roughness):(Ra0.1-0.25)铬层厚度(Thickness?ofchrome?plating):(15μm-60μm)铬层硬度(Hardness?of?chrome?plaiting):HV850~HV1050材料(Material):优质45#钢,40Cr,2Cr13,SUS304或定制High?quelity?medium?carbon?steel45#,40Cr,2Cr13,SUS304?orcustom-made供货状态:调质,中频淬火,高频淬火,镀铬或定制Condi |