Ads by Google
rubber tipped screws
We can supply various types of screw barrels according to customer's requirement.
Single Screw and Barrel Ranges:
Screw Diameter | 15mm-300mm |
Screw Length | L/D ratio 15 - 46 |
Material
1 38CrMoAIA(JIS SACM645)
2 42CrMoV(AISI 4140)
3 Cr12MoV(JIS SKD-11)
High quality alloy steel
Heat treatment |
Nitriding treatment | Electroplated hard chromium coating |
Spray coating anticorrosion | High-frequency quenching |
Technical Parameter |
Deepness of Nitriding Layer | 0.7 mm -0.9 mm |
Hardness of Nitriding | HV900 - HV1,000 |
Nitriding Brittleness | ≤Grade 1 |
Chromate plating | Thickness 0.05 mm - 0.10 mm, hardness HV950 |
Special treatment | Carbide coating on screw flight and bimetallic barrel |
Screw straight tolerance | 0.015 mm/m |
Surface roughness | Ra 0.4μm |
Our screw and barrel can ensure high performance and low energy consumption of extruder and Injection molding machine.
What's more, we can supply professional screw and barrel to your order!