Singel screw and barrel for Plastic Injection Machine
1. Heat-treatment:
Nitriding treatment
Electroplated hard-chrome
High-frequency quenching
Spray coating Bimetallic-alloy
2. Single Screw and Barrel Ranges:
Screw Diameter: | 15mm-300mm |
Screw length | L/D ratio 15 - 46 |
3.Technical parameterMaterial 38CrMoALA,9Cr18MoV Application PVC,ABS,TPO Hardness After Hardening &Tempering: HB240 -280 Nitrided Hardness: Hv850-1000 Nitrided Depth: 0.45-0.7mm Nitrided Brittleness: ≤Grade 2 Surface Roughness: Ra0.4 Screw straightness: 0.015mm Surface Chromate-plating's Hardness After Nitrided: ≥900Hv Chromate-plating Depth: 0.05-0.10mm Bimetallic-alloy Hardness: HRC56 -65 Alloy Depth: 0.8-2.0mm