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Nine-Zone Extruder Temperature Control System with ±1°C Accuracy and Cast Aluminum Heaters

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Nine-Zone Extruder Temperature Control System with ±1°C Accuracy and Cast Aluminum Heaters

Nine-Zone Extruder Temperature Control System with ±1°C Accuracy and Cast Aluminum Heaters
Nine-Zone Extruder Temperature Control System with ±1°C Accuracy and Cast Aluminum Heaters

Large Image :  Nine-Zone Extruder Temperature Control System with ±1°C Accuracy and Cast Aluminum Heaters

Product Details:
Place of Origin: CHINA
Brand Name: CHUQI
Model Number: CQ-SPP120-6
Payment & Shipping Terms:
Minimum Order Quantity: 1SET
Packaging Details: WOODEN BOX
Delivery Time: 60DAYS
Payment Terms: T/T
Supply Ability: 10SETS
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Nine-Zone Extruder Temperature Control System with ±1°C Accuracy and Cast Aluminum Heaters

Description
Heating Zones: 9 Zones Heater Type: Cast Aluminum
Cooling Fans: 6 Centrifugal Temp. Range: 0-399℃
Temp. Accuracy: ±1℃ Control Mode: PID Closed-loop
Core Value: Uniform Plasticization

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
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
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.

Tag:

synchronous PP strapping line,

PP strapping production line,

high productivity PP strapping machine

Contact Details
Jiaxing Chuanqi Machinery Equipment Co., Ltd.

Contact Person: Mr. Alex

Tel: 86-18858326160

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