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Nine-Zone Extruder Temp Control with ±1°C Accuracy – PP Strapping Line

Nine-Zone Extruder Temp Control with ±1°C Accuracy – PP Strapping Line

Nine-Zone Extruder Temp Control with ±1°C Accuracy – PP Strapping Line
Nine-Zone Extruder Temp Control with ±1°C Accuracy – PP Strapping Line
Categories PP Strapping Band Production Line
Brand Name: CHUQI
Model Number: CQ-SPP120-6
Place of Origin: CHINA
MOQ: 1SET
Payment Terms: T/T
Supply Ability: 10SETS
Delivery Time: 60DAYS
Packaging Details: WOODEN BOX
Heating Zones: 9 zones
Heater Type: Cast aluminum
Cooling Fans: 6 centrifugal
Temp. Range: 0-399℃
Temp. Accuracy: ±1℃
Core Value: Uniform plasticization
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Jiaxing Chuanqi Machinery Equipment Co., Ltd.
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Nine-Zone Extruder Temp Control with ±1°C Accuracy – PP Strapping Line

Nine-Zone Extruder Temperature Control with ±1°C Accuracy
Product Introduction

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.

Main Specifications
  • 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
Technical Parameters
ItemParameter
Total Heating Zones9 zones
Barrel Heating Zones6 zones
Die Head Heating Zones3 zones
Heater MaterialCast aluminum
Number of Cooling Fans6 units
Fan TypeCentrifugal
Temp. Control Range0 - 399°C
Control Accuracy±1°C
Control AlgorithmPID closed-loop
Customer Questions & Answers
Q: What are the practical benefits of 9-zone independent temperature control?
A: It allows setting a temperature gradient along the screw length. Typically, the feed zone is lower, the compression and metering zones gradually increase, and the die head is constant. This gradient facilitates solids conveying, melting, and homogenization, avoiding local overheating or under-plasticization, improving product quality.
Q: What is the difference between cast aluminum heaters and ordinary mica heaters?
A: Cast aluminum heaters have larger contact area and tighter fit with the screw/barrel, providing higher heat transfer efficiency and more uniform temperature distribution. They are also mechanically stronger, corrosion-resistant, and longer-lasting, making them the standard for large extruders.
Q: How do the cooling fans work? Do they waste heat?
A: The fans only operate when the temperature exceeds the setpoint, blowing air to cool the barrel surface. They operate intermittently, and the heat has already been used for plasticization, so there is no waste. Instead, they prevent overheating and protect the equipment.
Product Tags:

Nine-Zone extruder temperature control system

  

Extruder temperature control with ±1°C accuracy

  

Cast aluminum heaters for PP strapping

  
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Nine-Zone Extruder Temp Control with ±1°C Accuracy – PP Strapping Line

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