Up-blowing Rotary Traction Film Blowing Machine
Up-blowing Rotary Traction Film Blowing Machine

Up-blowing Rotary Traction Film Blowing Machine

In real production environments, film quality directly affects downstream processes such as bag making, printing, and sealing.
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Typical Production Range (Customizable)

 

Film width

400 mm – 1200 mm

Film thickness

0.015 mm – 0.08 mm

Output capacity

50 kg/h – 150 kg/h (depending on screw diameter and configuration)

Raw materials

PP / LDPE / LLDPE / HDPE

 

Why This Machine Matters in Production Lines

 

In real production environments, film quality directly affects downstream processes such as bag making, printing, and sealing.
This system is designed to solve common production problems:

  • Thickness variation that causes sealing failure in bag making
  • Bubble instability that increases scrap rate
  • Poor winding quality that leads to transport damage
  • Inconsistent extrusion that affects printing alignment

By improving extrusion stability and traction control, the machine helps maintain consistent output in long production cycles.

 

Main Features

 

360° Rotating Die Head System
The die head rotates 360 degrees and works with the rotary traction system to stabilize film formation.
This improves:

  • Thickness consistency across the film width
  • Bubble stability during high-speed operation
  • Compatibility with different material formulations

In multi-layer production (such as five-layer co-extrusion), the rotation system ensures uniform layer distribution and stable lamination, improving final film structure consistency.


Screw and Barrel Structure
The screw and barrel are made of 38CrMoAlA alloy steel, processed with nitriding treatment and precision machining.
Key advantages:

  • Stable operation under continuous high-load production
  • Strong wear and corrosion resistance


Die Head Design
Hard chromium plated die head with spiral mandrel structure.
Benefits:

  • Stable melt flow during extrusion
  • Smooth material distribution
  • Improved film surface quality for printing and sealing applications


Cooling System Options
Different cooling configurations are available depending on production requirements:

  • Air cooling system with labyrinth design for stable airflow distribution
  • Down-blown and water circulation cooling system for improved film transparency and forming stability
  • Internal cooling system (optional) for thick film and high-viscosity material processing
  • These systems help maintain stable bubble formation in different production environments.


Winding System
The winding system uses pressure friction or central winding with torque motor tension control.
Results:

  • Stable roll formation
  • Reduced deformation during storage and transport
  • Easy roll change during continuous operation

 

Downstream Production Compatibility

This machine is designed to work efficiently with downstream equipment such as:

High-speed bag making machines
Printing production lines
Lamination and converting systems

 

Stable thickness control improves:

Sealing reliability
Printing alignment accuracy
Final product consistency

 

 

Optional System Configurations

 

The machine can be equipped with:

Film correction system for alignment stability

Corona treatment system for improved surface tension

Automatic temperature control system for extrusion stability

 

Production Stability and Operation Considerations

 

Designed for continuous 24-hour operation environments

Stable extrusion system reduces production interruption

Modular structure supports easier maintenance and part replacement

Spare parts available for global shipping to reduce downtime

In case of production issues, remote technical support is available for fast diagnosis and troubleshooting.

 

Key Technical Highlights

 

360° rotating die head improves bubble stability

38CrMoAlA alloy screw ensures long-term durability

Spiral mandrel die head ensures stable melt flow

Multiple cooling systems for different material conditions

Torque-controlled winding system ensures stable roll quality

 

FAQ

 

Q: What is the delivery time?

A: Standard delivery time is 25–40 working days depending on configuration and customization requirements.

Q: What payment terms are available?

A: T/T 30% deposit and 70% balance before shipment. L/C at sight is also acceptable for large orders.

Q: What trade terms do you support?

A: EXW, FOB, CIF, and CFR depending on customer requirements.

Q: What is the minimum order quantity?

A: The minimum order quantity is 1 set of the machine.

Q: What warranty do you provide?

A: 12-month warranty covering mechanical and electrical components (excluding human damage).

Q: How is the machine packaged for export?

A: Export-grade wooden case packaging with protective film for sea transport safety.

Q: Do you provide installation support?

A: Yes, installation guidance, operation manuals, and optional overseas engineer service are available.

Q: Can I test my raw material before shipment?

A: Yes, customers can send raw materials to our factory for test runs, and we provide video testing before delivery.

Q: Can the machine be customized?

A: Yes, screw size, die head structure, output capacity, and automation level can all be customized.

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