Double-stage extrusion unit (twin-screw single-screw) STE (single-shaft double-shaft)
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Double-stage extrusion unit (twin-screw single-screw) STE (single-shaft double-shaft)
The advantages of the parallel co-rotating twin-screw, low-speed high-speed rotating single-screw extruder with full mixing effect complement the advantages of the two. Widely used in all kinds of heat sensitive material system granulation, large capacity devolatilization, one-step molding extrusion and other operations.
Decomposition of the process function and increase of independent operating variables are conducive to the optimization of the segments of each process, higher efficiency and productivity.
High-efficiency plasticizing mixing and shear dispersion, inorganic head back pressure backflow, to avoid local high shear overheating; single screw cooling, low speed, high pressure extrusion, also avoid the contradiction of overheating.
| double-stage extrusion unit | ||
| GPM E 75 | GPM E 50 | |
| Section 1Extruder | ||
| Screw diameter (mm) | 71 | 50.5 |
| Screw speed (rpm/min) | 600 | 600 |
| Torque coefficient (Nm/cm3) | 9 | 9.1 |
| Groove depth ratio (OD/ID) | 1.47 | 1.55 |
| Motor power (kw) | 220 | 75 |
| Capacity kg/h | 260~650 | 90~220 |
| Section IIExtruder | ||
| PRA 120 | PRA 65 | |
| Screw diameter (mm) | 120 | 65 |
| Aspect ratio (L/D) | 34~36 | 32~34 |
| Drive Motor (HP) | 175~200 | 30 |
| Motor power (kw) | 132~187 | 19 |
| Capacity (KG/H) | 500~650 | 50~85 |
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Yangzhou Dingchang Technology Co., Ltd
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