氮化层深度:0.5-0.8mmDepth of nitration case:0.5-0.8mm |
氮化硬度:950-1020HVHardness of nitration:950-1020HV |
氮化脆度:≤一级Fragility of nitration:Less than grade 1 |
表面粗糙度:Ra0.4umRoughness of the surface:Ra 0.4un |
螺杆直线度:0.015mmLineatity of the screw:0.015mm |
双合金硬度:HRC55-62Hardness of double alloys:HRC55-62 |
双合金深度:>2mmDepth of double alloys:>2mm |
舟山市利丰螺杆机械锥形双螺杆/机筒