twin screw barrel for pvc extrusion machine
Specification:
Φ45/Φ90, Φ45/Φ100, Φ50/Φ105, Φ51/Φ105, Φ55/Φ110, Φ55/Φ120,Φ58/Φ124, Φ60/Φ125,
Specification:
Φ45/Φ90, Φ45/Φ100, Φ50/Φ105, Φ51/Φ105, Φ55/Φ110, Φ55/Φ120,Φ58/Φ124, Φ60/Φ125,
Φ65/Φ120, Φ65/Φ132, Φ68/Φ143, Φ70/Φ140, Φ75/Φ150, Φ80/Φ143, Φ80/Φ156, Φ92/Φ188
Grade available:
Item Grade | Material composition |
Standard grade | 38CrMoAlA + nitriding 96 hours |
Bimetallic grade | 38CrMoAlA + bimetallic alloy |
TC-A grade | Tungsten carbide 40% |
TC-B grade | Tungsten carbide 25% |
TC-C grade | Tungsten carbide 15% |
Technical information:
Steel Material | DIN 41CrA1Mo7 / AST M4140/ GB 38CrMoAlA, 9Cr18MoV |
Heat Treatment | Tempered and nitride, nitride depth: 0.5 – 0.7 mm |
Surface hardness: | HV900 – HV1, 000 |
Special treatment: | Carbide coating (screw flight) and bimetallic barrel |
Screw straight tolerance | 0.015 mm/m |
Surface roughness | Ra 0.4μm |
twin screw barrel for pvc extrusion machine