Jiaxing Chuanqi Machinery Equipment Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 100SETS |
| Delivery Time | 60DASY |
| Packaging Details | WOODEN BOX |
| Control Type | Full Closed-Loop Feedback |
| Controlled Parameters | Temperature/Tension/Speed |
| Stability | Extremely High |
| Response Speed | Millisecond Level |
| Quality Assurance | Real-Time Error Correction |
| Anti-Interference Capability | Strong |
| System Composition | Sensor + Controller + Actuator |
| Brand Name | CHUQI |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T | Supply Ability | 100SETS |
| Delivery Time | 60DASY | Packaging Details | WOODEN BOX |
| Control Type | Full Closed-Loop Feedback | Controlled Parameters | Temperature/Tension/Speed |
| Stability | Extremely High | Response Speed | Millisecond Level |
| Quality Assurance | Real-Time Error Correction | Anti-Interference Capability | Strong |
| System Composition | Sensor + Controller + Actuator | Brand Name | CHUQI |
| Place of Origin | CHINA | ||
| High Light | closed-loop PET strap production line ，Custom pet strap production line ，Flawless PET strap production line | ||
1. Product Introduction
Stability is the soul of high-quality continuous production. This production line deploys closed-loop control systems at all key process points, enabling real-time sensing and instant adjustment. From drying temperature, various extrusion zone temperatures, stretch roll speeds and temperatures, to the tension in haul-off and winding, signals from sensors (thermocouples, encoders, tension sensors) are fed back to controllers. These are compared with setpoints to dynamically adjust actuators (heaters, VFDs, servo valves). This real-time error-correction mechanism effectively resists external disturbances, ensuring process parameters remain stable within the optimal window, thereby guaranteeing high consistency in product thickness, width, strength, and other metrics, significantly reducing scrap rates.
2. Main Specifications
Control Principle: Implements full closed-loop automatic feedback control on key variables affecting product quality, reducing manual intervention and parameter drift.
Temperature Closed-Loop: All heating zones (extruder, die, stretch rolls, ovens) utilize PID closed-loop control with strong anti-interference capability.
Tension Closed-Loop: Configures tension sensors at stretching, haul-off, and winding stages, using servo motors or magnetic powder clutches for real-time adjustment to maintain constant tension.
Speed Synchronization: Speeds of all drive points (extruder, haul-off, winder) across the line are synchronized via a master speed chain or bus system with precise, adjustable ratios.
Thickness Control (Optional): Can integrate an online thickness gauge, feeding signals back to the extruder or melt pump for Automatic Thickness Control (ATC).
3. Technical Parameters Table
| Parameter Category | Parameter Item | Specification / Description |
|---|---|---|
| Temperature Control | Control Method | PID Closed-Loop with Auto-tuning |
| Control Accuracy | ±1.0 °C (heating zones) | |
| Response Time | Correction to disturbance < 2 seconds | |
| Tension Control | Control Stages | Stretching, Haul-off, Winding |
| Sensor Type | Tension Dancer or Load Cell | |
| Control Accuracy | ±1% FS (Full Scale) | |
| Actuator | Servo Motor, Magnetic Powder Brake/Clutch | |
| Speed Synchronization | Synchronization Method | Electronic Gearing/Camming (Bus-based) |
| Synchronization Accuracy | Within ±0.05% | |
| Optional Configuration | Automatic Thickness Control | Closed-loop based on beta-ray or infrared gauge |
4. FQA:
Q1: What's the difference between closed-loop and open-loop control in actual production?
A1: Open-loop control is like setting a stove's flame and leaving it, where ambient changes might cause heating fluctuations. Closed-loop control is like an intelligent oven with a thermostat, constantly monitoring the internal temperature and automatically adjusting the heat up or down to maintain the set point. In production, closed-loop automatically compensates for disturbances like voltage fluctuations, ambient temperature changes, and minor raw material variations, whereas open-loop requires frequent manual checks and adjustments and struggles to achieve the same level of stability.
Q2: Why is tension closed-loop so important?
A2: Constant tension is key to preventing product deformation, breakage, wrinkles, or uneven tightness during PET stretching, haul-off, and winding. Tension fluctuations cause: unstable draw ratios, affecting strength uniformity; haul-off slippage, causing thickness variations; and poor winding patterns like "telescoping" or "ribbon" winding. A tension closed-loop system instantly responds to and corrects any tension change, which is essential technology for achieving neat roll formation and excellent product appearance.
Company Details
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
5000000-8000000
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Jiaxing Chuanqi Machinery Equipment Co., Ltd. is a high-tech enterprise that specializied in the research and develop and manufacture of Paper strap production line, PP box strap production line and all kinds of automatic winder and PP PET strapping. Vision: Committed to becoming t... Jiaxing Chuanqi Machinery Equipment Co., Ltd. is a high-tech enterprise that specializied in the research and develop and manufacture of Paper strap production line, PP box strap production line and all kinds of automatic winder and PP PET strapping. Vision: Committed to becoming t...
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