Base Material for screw :38CrMoAlA, A grade, Special alloy is welded on the screw arris, prolong life of the screw.
Base Material for barrel: 38CrMoAlA, A grade, easy wearing parts of barrel made from anti-wear alloy, can be improved abrasion performance.
Nitriding treatment, surface hardness:HV≥900
Nitriding depth:0.5-0.8mm
Scope of application: PVC+WOOD; PE+WOOD; Super high molecular sheet, 1/2 high calcium plate, 50-400high calcium pipe, 50-300 high calcium profile, soft PVC sheet, XPS-PVC etc; PP.PE.ABS.PVC.pelletzing, pipe, profile, sheet, etc.
Congical twin screw barrel specification:
| Specification (d/D) | Length (mm) | Capacity (Kg/h) | Speed (RPM) |
| Φ35/Φ77 | 810 | 40-70 | 5~50 |
| Φ45/Φ90 | 990 | 50-80 | 5~45 |
| Φ50/Φ105 | 1070 | 100-150 | 4~45 |
| Φ51/Φ105 | 1220 | 100-150 | 4~45 |
| Φ55/Φ110 | 1220 | 120-180 | 4~40 |
| Φ60/Φ125 | 1320 | 150-200 | 4~40 |
| Φ65/Φ120 | 1440 | 200-250 | 4~40 |
| Φ65/Φ132 | 1440 | 200-250 | 4~40 |
| Φ70/Φ140 | 1460 | 220-300 | 4~40 |
| Φ75/Φ150 | 1480 | 250-320 | 4~35 |
| Φ80/Φ143 | 1800 | 300-360 | 4~35 |
| Φ80/Φ156 | 1660 | 300-360 | 4~35 |
| Φ92/Φ188 | 2000 | 400-500 | 4~35 |
Compressing rate of screw can be designed according to different raw materials and products
conical twin screw barrel
twin screw
