PE High-speed Film Blowing Machine Unit

PE High-speed Film Blowing Machine Unit

The SJ-45, 55, 65 series PE high-speed film blowing machine unit produced by Huawei Machinery are important members of the high-speed film blowing machine family, manufactured using advanced technology and high-quality raw materials.They have the characteristics of compact structure, simple operation and stable performance.
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Product Introduction

PE High-Speed Film Blowing Machine Unit

SJ-45 / SJ-55 / SJ-65 | Industrial Plastic Film Extrusion Line

1. Equipment Positioning

This PE high-speed film blowing machine series is designed for continuous industrial production of polyethylene film used in packaging manufacturing.

Widely Applied In:
  • Plastic bag manufacturing factories
  • Film extrusion and converting plants
  • Packaging material wholesalers and distributors
  • Agricultural film production factories
  • OEM contract manufacturing facilities
System Design Focus:
  • Stable 24-hour continuous operation
  • Medium to high-volume production demand
  • Cost-efficient film manufacturing with consistent quality output

2. Final Product Applications

This machine processes LDPE, HDPE, and LLDPE raw materials into tubular PE film rolls. Typical finished products include:

T-shirt shopping bags Garbage bags Industrial liners Courier bags Agricultural mulch Greenhouse film Stretch wrapping film

Film Specification:
Thickness range: 0.01 – 0.10 mm | Optional single-layer or multi-layer extrusion (customized)

3. Production Capacity & 4. Key Advantages

Stable Production

Designed for long-hour operation with stable performance, reducing downtime caused by material fluctuation.

Energy Efficiency

Frequency inverter control and optimized heating systems significantly reduce power waste.

Quality Stability

Stable bubble formation and uniform thickness control for smooth downstream processing.

Industrial Durability

38CrMoAl alloy steel screw & barrel with nitriding treatment for maximum wear resistance.

5. Main Technical Variables

Model SJ-45 SJ-55 SJ-65
Screw diameter Φ45 Φ55 Φ65
Screw ratio L/D 28:1 28:1 28:1
Screw speed 15-120 r/min 15-120 r/min 15-100 r/min
Main motor power 15 kW - 18.5 kW 18.5 kW - 22 kW 22 kW - 30 kW
Extrusion output 55 kg/h 80 kg/h 100 kg/h
Range of die Φ60 – Φ100 Φ150 – Φ220 Φ150 – Φ220
Max folding width 600 mm 800 mm 1000 mm
Electric total capacity 38 kW 48 kW 65 kW
Overall dimension 3000×2800×4200mm 3500×3500×4800mm 4000×4000×6000mm
Machine weight 3.5 T 4.0 T 4.5 T

6. Production Process Flow

Feeding Melting Extrusion Bubble Forming Cooling Stabilization Flattening Winding

7. Control & Safety

  • PLC intelligent control system
  • Digital temperature control per zone
  • Synchronized speed & winding
  • Safety: Overload protection, Abnormal alarm, Emergency shutdown

8. Optional Upgrades

  • Automatic air ring system
  • IBC internal bubble cooling
  • Corona treatment unit
  • Automatic thickness control
  • Double rewinder system

9. Industrial Applications

Packaging
Shopping, Garbage, Retail bags
Agriculture
Greenhouse, Mulch, Crop protection
Industrial
Pallet wrapping, Export packaging
Logistics
Clothing bags, Courier protective film

10. Production Cost Optimization

In real production environments, stable thickness control directly improves profit margins more than raw machine speed by:

  • Reducing film thickness fluctuation (lower material waste)
  • Minimizing startup/shutdown losses via stable extrusion
  • Optimizing energy consumption per kg output
  • Reducing operator dependency through PLC automation

11. OEM & Customization

Full support for width, output, and multi-layer configuration adjustments to match your factory layout.

12. Delivery & Testing

30–45 days lead time. Includes full operation, temperature stability, and uniformity tests before shipment.

Why Global Buyers Choose This Machine

We provide not just equipment, but a complete production solution for PE film manufacturing businesses focusing on 24-hour stability and easy maintenance.

Request Technical Proposal

Get model recommendations, factory planning, and cost estimations within 12 hours.

CONTACT US FOR QUOTATION

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