840 Trapezoial roofing sheet machine

The 840 Trapezoidal Roofing Sheet Roll Forming Machine is designed for producing high-quality metal roofing panels from pre-painted galvanized steel (PPGI), galvanized steel (GI), aluminum, and other metal coils. It is widely used in industrial buildings, warehouses, workshops, commercial buildings, and residential roofing projects.

Featuring a heavy-duty frame, precision-machined rollers, and a hydraulic cutting system, the machine delivers excellent forming accuracy, stable operation, and high production efficiency. The PLC control system enables fully automatic production, reducing labor costs while ensuring consistent product quality.

Features

  • High production speed for mass production
  • Suitable for producing 840 trapezoidal roofing sheets
  • Compatible with PPGI, GI, Galvalume, aluminum, and other metal coils
  • High forming accuracy with smooth panel surface
  • Hydraulic post-cutting system for clean and precise cutting
  • Fully automatic PLC control with touch screen
  • Stable transmission system for long service life
  • Easy operation and low maintenance

Technical Parameters

  • Material Thickness: 0.3–0.8 mm
  • Coil Width: According to profile design
  • Forming Speed: 15–45 m/min (optional)
  • Roller Material: 45# Steel with Hard Chrome Coating
  • Shaft Material: 45# High-grade Steel
  • Cutting Type: Hydraulic Cutting
  • Drive System: Chain Drive or Gearbox (Optional)
  • Control System: PLC with Touch Screen
  • Voltage: Customized according to customer requirements

Applications

The finished roofing sheets are widely used for:

  • Industrial factories
  • Steel structure buildings
  • Warehouses
  • Shopping centers
  • Agricultural buildings
  • Residential houses
  • Workshops and commercial projects

Advantages

✔ High-speed production with stable performance

✔ Accurate profile dimensions and excellent appearance

✔ Durable machine structure with long service life

✔ Customized solutions based on customer requirements

✔ Professional technical support and worldwide after-sales service