Product name: Die head for conical twin screw barrel
The die head for conical twin screw barrel can make the output smoothly. The die head machined from high-grade tool steel, which has been treated to a hardness of over 60 Rockwell C and hard chromed, precision ground as well as polished to a mirror surface.
Tecnnical specification:
Material | 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 |
Die head for conical twin screw barrel
Die head