Conical twin screw barrel
| Material | 38CrMoALA,9Cr18MoV |
| Application | PVC,ABS,TPO |
| Hardness After Hardening &Tempering: | HB240 -280 |
| Nitrided Hardness: | Hv850-1000 |
| Nitrided Depth: | 0.45-0.7mm |
| Nitrided Brittleness: | ≤Grade 2 |
| Surface Roughness: | Ra0.4 |
| Screw straightness: | 0.015mm |
| Surface Chromate-plating's Hardness After Nitrided: | ≥900Hv |
Type of conical twin screw barrel:
| 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
The conical twin screw barrel for granulator
The hardness of yhe conical twin screw and barrel
