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extruder rubber screw
1.Injection molding machine | Clamping force:250kn-3,2000kn |
2.Single screw extruder | Screw diameter:15mm-360mm |
LD ratio:15-46 | |
3.Conical twin screw extruder | Screw diameter:25mm-92mm |
4.Counter rotating parallel twin screw | Screw diameter:50mm-200mm |
L/D ration:16-35 | |
5.Co-rotating twin screw extruder | Screw diameter:25mm-120mm |
Steel Material | DIN 41CrA1Mo7 / AST M4140/38 CrMoAIA |
Heat Treatment | Tempered and nitride, nitride depth: 0.4mm – 0.7mm |
Surface hardness: | HV800 – HV1, 050 |
Chromate plating: | Thickness 0.05 mm – 0.10 mm, hardness HV950 |
Special treatment: | Carbide coating (screw flight) and bimetallic barrel |
Screw straight tolerance | 0.015 mm/m |
Surface roughness | Ra 0.4μm |