The double-layer roofing sheet roll-forming machine is an advanced solution for manufacturers who need to efficiently produce multiple types of metal roof panels. Unlike single-layer machines, this dual-level system allows users to switch between different profiles quickly, improving production flexibility and reducing labor costs. With its robust construction and precise control system, it is widely used in industrial factories, residential projects, and prefabricated building applications.
This machine is engineered for precision and durability. The top and bottom layers of rollers allow for two independent production lines, although they operate alternately via a clutch system to ensure smooth performance. The machine processes galvanized steel, color-coated steel, and aluminum sheets, delivering consistent quality at high speed.
| Feature | Specification |
|---|---|
| Suitable Material | Color-coated steel, Aluzinc steel, Aluminum |
| Roller Rows | Upper: 13, Lower: 13 |
| Machine Dimensions | 6.8 × 1.7 × 1.8 m |
| Motor Power | 5.5 kW |
| Hydraulic Pump Motor | 4 kW (Lichao Brand) |
| Sheet Thickness | 0.3 – 0.8 mm |
| Production Speed | 10 – 15 m/min |
| Cutting Blade Material | Cr12, quenched 58-60℃ |
| Roller Diameter | Φ70 mm |
| Machine Weight | Approx. 5800 kg |
| Main Frame | 350H beams |
| Processing Precision | ±1.0 mm |
| Side Panel Thickness | 16 mm |
| Drive Chain | 1-inch chain wheel and cycle chain |
| Voltage | 380V 50Hz 3-phase (customizable) |
| Control System | PLC (Delta) with touch screen |
| Drive Mode | Motor-driven |
| Roller Material | 45# forged steel with chromium plating |
| Length Tolerance | ±2 mm |
| Operation Language | Chinese / English / Spanish (customizable) |
Advantages of the Double Layer Roll Forming Machine
By incorporating two roll forming levels, the machine doubles productivity while maintaining precise alignment and uniform wave heights. Its dual-head roller design ensures consistent edge alignment (±0.5 mm tolerance) and can produce trapezoidal, sinusoidal, or European-style tiles with ease. The heat-treated alloy steel rollers (55 HRC hardness) and reinforced frame provide excellent durability, even in coastal or high-humidity environments.
In addition, the advanced PLC control system allows operators to switch between more than ten standard profiles with just one click, simplifying production planning and minimizing downtime. Compared to traditional single-layer machines, this solution reduces labor requirements by up to 40% without compromising product quality.
Applications in Construction and Industry
This machine is suitable for a variety of building projects, including:
- Industrial factories and warehouses
- Residential roofing projects
- Prefabricated buildings and modular constructions
- Commercial roof and wall cladding
Manufacturers can produce combinations such as trapezoidal sheets with corrugated sheets, trapezoidal sheets with metal roof tiles, or even glazed metal roof panels—allowing flexibility to meet diverse client demands.
Packaging and After-Sales Support
The double layer roll forming machine is carefully packed with waterproof cloth and reinforced wood for secure shipping. Customers receive a detailed operation manual and instructional CD in both Chinese and English.
Cangzhou Zhongtuo provides 24-month free maintenance, including free replacement of defective parts during the warranty period. Even after 24 months, technical support and repair services remain available, though shipping costs for replacement parts are borne by the customer. For overseas installations, professional technicians can be dispatched to install and debug the machine, ensuring a smooth start-up process.
The double-layer roofing sheet roll-forming machine represents a leap in efficiency and versatility for metal roofing production. By combining precise engineering, robust materials, and user-friendly controls, it enables manufacturers to meet growing construction demands while optimizing labor and production costs. Whether producing corrugated sheets, trapezoidal panels, or decorative roof tiles, this machine delivers consistent quality and high productivity.
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