1. Equipment Overview
Definition**: An automated machine designed to continuously roll-form metal coils (e.g., galvanized steel, color-coated steel, aluminum) into trapezoidal corrugated roof panels. With a **feed width of 900mm**, it is ideal for producing large-span, high-strength roofing sheets.
- **Core Function**: Transforms flat coils into trapezoidal profiles (typical ridge height: 20-80mm, ridge spacing: 100-300mm) through a continuous roll-forming process, meeting requirements for waterproofing, load-bearing, and aesthetics in construction.
2. Structure and Working Principle
Key Components
1. **Uncoiler**: Holds and feeds metal coils with tension control for smooth material delivery.
2. **Guiding and Leveling System**: Ensures flatness and alignment before entering the roll-forming section.
3. **Roll Forming Unit:
- **Roller Sets 12-24 pairs of precision rollers progressively shape the flat material into trapezoidal waves.
- **Mold Design: Customized roller profiles match specific ridge heights and spacings for accuracy.
4. **Cutting Unit: Hydraulic or servo-driven system for automatic length cutting (e.g., 6-12m).
5. **Control System: PLC or CNC with touchscreen interface to adjust speed, cutting length, and other parameters.
Workflow
1. Coil loading → 2. Leveling and alignment → 3. Multi-stage roll forming → 4. Online cutting → 5. Stacking of finished panels.
3. Technical Features and Advantages
- **High Precision: Rollers made of hardened alloy steel (e.g., Cr12) ensure ±0.1mm tolerance.
- **High Efficiency: Continuous forming speeds of 10-30 meters per minute for mass production.
- **Flexibility: Interchangeable roller molds accommodate various trapezoidal profiles (e.g., T-35, T-50).
- **Energy Efficiency: Servo motor drives reduce energy consumption by 30% compared to hydraulic systems.
- **Automation**: Integrated auto-feeding, cutting, and stacking minimize manual operation.
4. Key Specifications (Example)
- **Feed Width**: 900mm (effective coverage width of finished panels: 800-850mm).
- **Material Thickness**: 0.3-1.2mm (galvanized steel, color-coated sheets, etc.).
- **Forming Speed**: 10-25 meters/minute (depends on material thickness and profile complexity).
- **Motor Power**: Main drive motor 15-30kW; total power 40-75kW.
- **Cutting Accuracy**: ±1mm (servo cutting system).
Audited Supplier 
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