Psemi-automatic trapezoidal roof panel forming machine
This semi-automatic trapezoidal roof panel forming machine is a cost-effective classic roll former for building roofing materials. It features simple operation and low failure rate, widely used for manufacturing roof sheets of steel structure workshops, warehouses, farm sheds, temporary buildings and market canopies. It processes pre-painted color steel coils and galvanized steel coils into standard trapezoidal roofing panels in one continuous pass, ideal for small processing factories and individual metal workshops. Configuration can be customized as required.

| Item |
Specification |
| Applicable Material |
Pre-painted galvanized steel coil, color steel coil, galvanized strip |
| Material Thickness |
0.3–0.8 mm |
| Effective Cover Width |
840mm trapezoidal roof panel |
| Forming Stations |
13 rows of forming rollers |
| Roller Material |
45# forged steel, high frequency quenched & hard chrome plated, polished surface |
| Main Shaft Diameter |
Φ70mm quenched solid shaft |
| Main Motor Power |
5.5 kW copper core motor |
| Cutting Type |
Hydraulic fixed-length shear (semi-automatic cutting) |
| Control System |
Basic PLC control box, length preset & piece counting function |
| Forming Speed |
8–12 m/min adjustable |
| Overall Dimension |
6800×1500×1000 mm |
| Machine Weight |
Approx. 4.2 tons |
| Power Supply |
380V/50Hz 3-phase (220V/60Hz/440V customizable) |

Standard Machine Configuration
- Manual passive decoiler for semi-automatic feeding
- Feeding guiding & deviation correction device
- Heavy-duty welded frame with stress relief treatment and anti-rust powder coating
- Precision chrome-plated forming rollers for accurate panel shape
- Gear & chain synchronous drive for stable low-noise running
- Hydraulic cutting unit with smooth burr-free cutting edge
- Easy-operated PLC electrical control cabinet
- Finished product discharge bracket

Core Advantages
-
Economical Semi-Automatic Design
Without expensive servo follow-up cutting system, greatly reduce your investment cost. Only one worker can operate the whole line, perfect for startups with limited budget.
-
High Forming Precision
Gradual multi-pass rolling ensures tight overlapping between panels, excellent waterproof, wind-resistant and load-bearing performance for long-term outdoor use.
-
Robust & Durable Structure
Thick square tube welded main frame, quenched chrome rollers with strong wear resistance, no deformation during long-time continuous production.
-
Easy Maintenance & Universal Spare Parts
Electric, hydraulic and motor parts are standard universal types, easy to purchase and replace locally, minimize downtime loss.
-
Global Voltage Customization
We can tailor the electrical system to match voltage and frequency of different countries, popular in Southeast Asia, Africa, Middle East and Central Asia markets.

Application Scope
Steel factory roofing, warehouse canopy, breeding farm roof, prefab house, construction temporary shelter, market greenhouse metal roof production.

After-Sales Service
- 12-month full machine warranty (exclude wearing parts: cutting blade, sealing rings)
- Full no-load and material test running before delivery, with detailed operation manual
- Free remote video guidance for installation, commissioning and operator training
- Lifetime supply of original spare parts at cost price
- Support custom modification: profile revision, thickness upgrade, full-automatic system upgrade