extruder rubber screw and barrel
USD $500 - $10,000 /Set
Min.Order:1 Set
Zhoushan Shenglong Machinery Co., Ltd.
diameter of pin screw and barrel: Φ75-Φ200mm
diameterof cold feed or hot feed screw and barrel: Φ30mm-300mm
L/D ratio:12-18
technical parameter
Depth of Nitrated Layer: 0.5-0.8mm
Hardness of nitration: 900-1020Hv
Fragility of nitration: Less than grade 1
Surface roughness: Ra 0.4um
Hardness of Cr-coating Layer: ≥950Hv
Thickness of Cr-coated Layer: 0.03-0.08m
Hardness of Bimetallic Layer: HRC55-72
Depth of Bimetallic Layer: >2mm