7 Layer CoExtrusion Film Blowing Machine China Suppliers and Factory
The 7 Layer Co-Extrusion Film Blowing Machine represents the pinnacle of plastic processing technology, specifically engineered for the production of high-performance barrier films. By integrating seven independent extrusion layers, this advanced system allows for the precise combination of materials such as EVOH, PA, and PE, resulting in films with exceptional strength, superior transparency, and unmatched barrier properties tailored for demanding packaging applications.
Designed for maximum industrial efficiency, the machine features an intelligent PLC-driven control system and a sophisticated temperature regulation network. Whether utilizing IBC internal bubble cooling or combined external air-ring systems, the equipment ensures rapid, uniform cooling and stable drawing processes, delivering consistent film quality and high output for large-scale manufacturing operations.
Detailed Parameters
| Film Width Range | 700-1400mm | Film Thickness | 0.0035-0.18mm |
|---|---|---|---|
| Production Output | 120-250kg/h | Raw Materials | PA/EVOH/LDPE/LLDPE/MLLDPE |
| Screw Diameters | $\phi$50mm - $\phi$65mm | L/D Ratio | 32:1 (With force feeding) |
| Gearbox Specs | 173# to 200# series | Main Motor Power | 22kw - 37kw per unit |
| Die Diameter | $\phi$300mm - $\phi$500mm | Control System | PLC Programmable Control |
Key Advantages
Superior Barrier Properties
Multi-layer structure combining EVOH and PA ensures maximum protection against oxygen and moisture.
Rapid Cooling Efficiency
IBC internal cooling and external air rings guarantee fast stabilization and high production speed.
Precise Thermal Control
Seven independent temperature zones optimize the performance of each functional layer individually.
Intelligent PLC Monitoring
Real-time parameter display and remote control via a centralized computer platform.
Optical Transparency
Advanced extrusion and cooling synergy produces films with high clarity and aesthetic appeal.
Automated Winding
Back-to-back double rewinding with taper tension control ensures neat, professional rolls.
Product Gallery
Management Platforms
Material Management
Flexible handling of LDPE, LLDPE, and high-barrier EVOH resins.
Process Automation
Automated servo motor rotation for stable drawing and cooling.
Quality Monitoring
Real-time tracking of layer thickness and temperature distribution.
Remote Parameterization
Digital interface allowing for off-site adjustments and monitoring.
Recipe Storage
Save and recall processing parameters for rapid product changeovers.
Tension Regulation
High-precision taper tension control for flawless winding quality.
Investment Return Comparison
| Performance Metric | Single Layer Line | 7-Layer Co-Extrusion |
|---|---|---|
| Product Value | Low (Commodity Film) | High (Specialty Barrier Film) |
| Material Versatility | Limited | Extremely High (EVOH/PA/PE) |
| Production Efficiency | Standard | Optimized via IBC Cooling |
| Market Competitive Edge | Low | High (Medical/Food Grade) |
| Operational Cost/Unit | Moderate | Low (due to high-value output) |
Frequently Asked Questions
Q: What are the primary benefits of a 7-layer structure over a 3-layer machine?
A 7-layer machine allows for more precise distribution of functional materials, enabling the creation of thinner yet more effective barrier layers, reducing material costs while enhancing film strength and transparency.
Q: Can this machine process EVOH and PA materials?
Yes, the machine is specifically designed to handle EVOH and PA, which are critical for producing high-barrier packaging for food and pharmaceutical industries.
Q: How does the IBC cooling system improve production?
Internal Bubble Cooling (IBC) significantly speeds up the cooling process, allowing for higher extrusion speeds, improved film clarity, and better mechanical properties.
Q: Is the electrical system easy to operate for new technicians?
Absolutely. The PLC-based centralized control platform provides a user-friendly interface where parameters can be monitored and stored for easy operation.
Q: What is the typical application of the film produced by this machine?
It is primarily used for high-end vacuum packaging, modified atmosphere packaging (MAP), and specialty industrial wraps requiring high puncture resistance and barrier properties.
Q: Can the machine specifications be customized?
Yes, the parameters provided are for reference. We can customize the die size, screw diameter, and width according to your specific raw material and output requirements.
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