Nine-Zone Extruder Temp Control with ±1°C Accuracy – PP Strapping Line
Precise temperature control is fundamental to ensuring uniform plasticization and stable extrusion of PP material. This extruder features 9 independent cast aluminum heaters (6 zones on the barrel, 3 zones on the die head) and 6 centrifugal cooling fans, forming a fully automatic closed-loop PID temperature control system. The system monitors each zone in real-time, automatically adjusting heating or cooling to keep deviations within ±1°C, ensuring uniform melt temperature. This fine temperature control capability effectively avoids quality issues such as poor plasticization, gels, and uneven thickness caused by temperature fluctuations, laying the foundation for high-precision, high-stability extrusion production.
- Heating Zones: 9 zones (6 barrel + 3 die head)
- Heater Type: Cast aluminum heater bands
- Cooling Method: Centrifugal fans (6 units)
- Temperature Control Range: 0-399℃
- Control Accuracy: ±1℃
- Control Mode: PID fully automatic closed-loop
| Item | Parameter |
|---|---|
| Total Heating Zones | 9 zones |
| Barrel Heating Zones | 6 zones |
| Die Head Heating Zones | 3 zones |
| Heater Material | Cast aluminum |
| Number of Cooling Fans | 6 units |
| Fan Type | Centrifugal |
| Temp. Control Range | 0 - 399°C |
| Control Accuracy | ±1°C |
| Control Algorithm | PID closed-loop |
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