Base material：38CrMoAlA, spiral angular surface using double alloy imported alloy steel, after special treatment, can effectively improve the wear resistance of the barrel screw and increase the service life. The anisotropic parallel twin screw can process plastic pipe, profile, plate (sheet), modified and hard and soft PVC granulation.
Specification：
Φ35/Φ35 ~ Φ250/Φ250
Length/Diameter Ratio: L/D=16~35
The anisotropic parallel twin screw can process plastic pipe, profile, plate (sheet), modified and hard and soft PVC granulation.
Technical Indexes
Depth of nitration case :0.4~0.7mm
Surface hardness :Hv900~1060 (HRc 56°~65°)
Surface Roughness:Ra 0.4μm
Screw Straightness:0.015mm/m
Thickness of chromium coating:0.01~0.1mm
Alloy Thickness:1.5~2.0mm
Material:38CrMoAlA. The spiral angle surface adopts double alloy imported alloy steel. After special treatment, it can effectively improve the wear resistance of the barrel screw and increase the service life.
