PLC-Controlled 1-out-4 PP Strapping Extrusion Line for Synchronized Production
This advanced extrusion system utilizes PLC (Programmable Logic Controller) centralized control to enable synchronized production of four identical PP strapping bands. The integrated intelligent control system achieves fully automated linkage across the entire manufacturing process—from raw material extrusion through cooling, stretching, setting, and winding—ensuring precise speed and tension matching across all four production lines. This design significantly enhances production efficiency and product consistency, making it the ideal solution for large-scale, high-quality PP strapping manufacturing.
Main Specifications
- Production Line Type: 1-out-4 synchronized extrusion
- Control System: PLC computerized centralized control
- Core Function: Closed-loop linkage and synchronization of all line equipment
- Application: High-speed, stable production of PP strapping and similar products
Technical Parameters
| Parameter |
Specification |
| Synchronized Production Strands |
4 |
| Maximum Line Speed |
150 m/min |
| Control Method |
PLC Touch Screen Centralized Control |
| Linked Components |
Extruder, Drawing Machine, Haul-Off Machine, Winding Machine |
| Power Supply Requirement |
380V±10%, 50Hz, Three-Phase Five-Wire |
| Total Power |
≤ 90 KW |
Frequently Asked Questions
How is "synchronized production" specifically achieved? How do you ensure the four strands do not interfere with each other?
Synchronized production is achieved through the PLC system performing closed-loop speed control and coordinated adjustment of all motors. The 1-out-4 flow-diverging die head ensures uniform material distribution, while independent tension control mechanisms (including pneumatic pressure adjustment on haul-off rollers and independent servo control on winding shafts) guarantee stable and independent tension for each strand without interference.
If one strand breaks or has a fault, will it affect the other three?
The equipment features independent mechanical channels for each strand. The control system includes fault diagnosis capabilities. If a severe breakage or fault occurs on one strand, operators can stop or slow down that single strand via the touch screen without halting the entire production line, minimizing production losses.
Does operating this PLC control system require a high level of technical skill?
No. The system features a graphical, intuitive touch-screen Human-Machine Interface (HMI) that clearly displays key parameters including speed, temperature, tension, and length count. The system supports one-key start/stop and recipe recall functions. Comprehensive operational training is provided upon delivery to ensure your staff can quickly master system operation.
