5 Layer Blown Film Line
Product Overview
- The 3/5-layer cold stretch tubular film blowing line is an integrated production system developed for manufacturing cold stretch tubular film (cold-drawn tubular film).
- The line supports both 3-layer and 5 layer blown film line configurations, allowing operators to adjust production based on film structure, performance requirements, and cost targets.
- Key components are sourced from internationally recognized brands and combined with a customized machine structure to ensure stable extrusion, consistent film quality, and efficient long-term operation.
High-Precision Control, Stable Product Quality for 5 Layer Blown Film Line
- The entire production line utilizes Siemens' latest series of PLC controls and servo motor drives. Boasting advantages such as high reliability, robust programmability, and ease of maintenance, this system ensures high-precision operation at every stage. It facilitates energy-efficient operation-minimizing unnecessary energy consumption-while simultaneously guaranteeing high production efficiency.
- Equipped with a complete, German-imported thickness control system and an automatic air ring, the line features extremely high response precision. It enables real-time monitoring and adjustment of film thickness, effectively resolving the issue of uneven thickness common in traditional production processes; film thickness deviation is controlled within ±4% (at 2 sigma).
- The die is precision-machined using an imported, ultra-high-precision 5-axis machining center, ensuring smooth flow channels and exceptional machining accuracy. Paired with a specialized screw and die flow channel design tailored specifically for cold-stretch sleeve films, the system ensures uniform raw material plasticization and a stable film bubble, thereby effectively preventing film defects such as crystal points and black spots.
Stable Tension Control
- The system uses E+L tension sensors imported from Germany. During operation, the blown film line continuously monitors and adjusts tension to keep it stable throughout production.
- The winding mechanism employs tapered tension control based on the roll diameter, ensuring a flat and uniform wind. This is particularly critical during the winding of large-diameter rolls; even as the roll diameter increases, tension remains stable, effectively preventing issues such as loose winding or edge warping.
Detailed Features
Fully Automatic Center-Surface Winder
Fully Automatic Roll Changing
Liftable 2+1 Automatic Air Ring
Thickness Control System
High-Output Extruder
Fully Automated Operation, High Production Efficiency
- The line is equipped with a fully automatic center-surface winder, supporting automatic roll change and automatic transfer.
- Two roll-changing modes can be freely switched between: Manual Mode and Automatic Mode. Within the Automatic Mode, users can select between two triggering methods: length-based or diameter-based. Once the target length or diameter is set, a single-button command executes the roll change-offering a convenient and highly efficient process that effectively saves production time.
- The high-output extruder features a direct-drive servo motor coupled with a specially designed, dedicated screw. This configuration delivers exceptional plasticizing capability and high production efficiency; depending on the specific model, output capacity ranges from 250 to 650 kg/h-a figure significantly higher than that of traditional equipment.
FAQ
Q1: What raw materials can this production line process?
A: A1: It is primarily designed for processing PE series resins-such as HDPE, LDPE, LLDPE, and MLLDPE-as well as resins with gas-barrier properties, such as PA and EVOH. By adjusting the resin formulation, the line can produce cold-stretch tubular films with varying performance characteristics to meet the requirements of diverse packaging applications.
Q2: What are the achievable width and thickness ranges for the produced films?
A: A2: The film width ranges from 1000mm to 2200mm, and the thickness ranges from 0.03mm to 0.20mm. These specifications can be customized to align with your specific production requirements, thereby satisfying the packaging needs of a wide variety of products.
Q3: How do you ensure the long-term operational stability of the production line?
A: A3: The core components of the entire line-including the PLC, servo motors, tension sensors, and thickness measurement system-are sourced from renowned international brands such as Siemens and E+L, ensuring high stability and a long service life. Furthermore, we provide professional after-sales maintenance services and guidance on periodic equipment inspections to guarantee the consistent, stable operation of the production line over the long term.
Q4: What are the differences between the 3-layer and 5-layer production modes?
A: A4: Compared to the 3-layer mode, the 5-layer mode offers greater flexibility in raw material formulation adjustments. It delivers superior puncture resistance, a higher stretch ratio, more uniform film thickness, and higher output volume, enabling the production of high-performance cold-stretch tubular films suitable for demanding packaging applications. Conversely, the 3-layer mode offers a higher cost-performance ratio; it is well-suited for general packaging requirements and helps to reduce production costs.
Q5: Do you provide after-sales service and technical support?
A: A5: Yes, we do. We offer a one-year quality warranty service. Upon delivery of the equipment, we will dispatch professional technical personnel to your site to handle installation, commissioning, and operator training. Additionally, we provide 24-hour online technical consultation and ensure the timely supply of spare parts to alleviate any post-production concerns you may have.
Why Choose Our 3/5-Layer Cold-Stretch Tubular Film Blowing Line?
The core requirements for a cold-stretch tubular film blowing line are stable quality, high energy efficiency, and low maintenance costs-and our production line meets these demands perfectly:
Imported Core Components + Customized Design
We address the pain points associated with traditional equipment to significantly enhance your product's competitiveness.
01
Fully Automated Operation
Reduce labor costs and boost production efficiency, empowering you to capture market share faster.
02
Flexible 3/5-Layer Switching
Adapt to diverse production requirements and minimize investment risks.
03
Comprehensive After-Sales Service
We provide end-to-end technical support to ensure worry-free production operations.
04
If you are looking for a high-quality 3/5-layer cold-stretch tubular film blowing line, we invite you to contact us. Based on your production scale, product specifications, and budget, we will provide a customized solution designed to help you achieve mutual success.
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