This Automatic CZU Purlin Roll Forming Machine is a reliable and efficient solution for producing C, Z and U steel purlins used in steel structure construction. The machine integrates hydraulic punching, roll forming and cutting into one compact production line, ensuring high accuracy, stable performance and long service life.
Machine type: Automatic cold roll forming machine
Profile options: C purlin, Z purlin, U channel
Material thickness range: 1.5–3.5 mm
Material width: Adjustable automatically
Applicable materials: GI steel, PPGI, cold rolled steel, hot rolled steel
Maximum yield strength: ≤ 350 MPa
Forming speed: 10–25 m/min
Roller stations: 16–20 stations
Roller material: GCr15 bearing steel
Roller treatment: Heat treated and precision polished
Shaft material: 45# forged steel
Shaft diameter: 75–85 mm
Main motor power: 15–18.5 kW
Hydraulic station power: 7.5 kW
Punching system: Hydraulic punching unit
Cutting system: Hydraulic post cutting
Cutting blade material: Cr12Mov, heat treated
Length tolerance: ±1.0 mm
Control system: PLC automatic control
Operation interface: Touch screen HMI
Voltage standard: 380V / 50Hz / 3 Phase
Transmission system: Heavy-duty chain transmission
Machine frame: Integral welded steel structure
Base frame: Heavy H-beam structure
Hydraulic pressure: 18–22 MPa
Cooling system: Air and oil cooling
Electrical components: International brand components
Safety protection: Emergency stop and full safety covers
Automatic length measurement
Automatic product counting
High forming accuracy
Smooth and clean profile surface
Stable continuous production
Easy operation and maintenance
Energy-saving system design
Long service life
High production efficiency
Steel coil feeding → leveling → hydraulic punching → roll forming → hydraulic cutting → finished purlin output.
Widely used in steel structure workshops, warehouses, industrial plants, prefabricated buildings, logistics centers and agricultural steel construction projects.
The machine offers high automation, flexible profile adjustment and robust mechanical design, helping customers reduce labor costs, improve efficiency and maintain consistent product quality.
