Conical Twin Screw and Barrel
Harden Industries Ltd. [China]
Our conical twin screw and barrel provide high surface area and low shear screw designs that will optimize the melt homogeneity.
Conical Twin Screw and Barrel Ranges:
Screw Diameter (smaller end): | 35mm - 92mm |
Conical Twin Screw and Barrel Technical Specifications:
Steel Material | DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA, 9Cr18MoV |
Heat Treatment | Nitride depth: 0.7 mm - 0.9 mm |
Surface hardness: | HV900 - HV1,000 |
Special treatment: | Carbide coating on flight |
Screw straight tolerance | 0.015 mm/m |
Surface roughness | Ra 0.4μm |
Conical Twin Screw and Barrel