This Automatic CZU Purlin Roll Forming Machine Production Line is designed for modern steel structure fabrication. The complete line integrates hydraulic punching, precision roll forming and automatic cutting, providing stable operation, high forming accuracy and excellent surface quality for C, Z and U steel purlins.
Machine type: Automatic cold roll forming production line
Profile types: C purlin, Z purlin, U channel
Material thickness range: 1.5–4.0 mm
Material width: Automatically adjustable
Applicable materials: GI steel, PPGI, cold rolled steel, hot rolled steel
Maximum yield strength: ≤ 350 MPa
Forming speed: 10–25 m/min
Roller stations: 18–22 stations
Roller material: GCr15 bearing steel
Roller surface treatment: Heat treated and polished
Shaft material: 45# forged steel
Shaft diameter: 80–90 mm
Main motor power: 18.5–22 kW
Hydraulic station power: 7.5–11 kW
Punching system: Integrated hydraulic punching unit
Cutting system: Hydraulic post cutting
Cutting blade material: Cr12Mov, heat treated
Length tolerance: ±1.0 mm
Control system: PLC automatic control system
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: Reinforced H-beam structure
Hydraulic pressure: 18–22 MPa
Cooling system: Air and oil cooling
Electrical components: International brand electrical parts
Safety protection: Emergency stop and full safety covers
Automatic length measurement
Automatic product counting
High forming precision
Smooth and burr-free profile surface
Stable continuous production capability
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, factories, industrial buildings, prefabricated houses, logistics centers and agricultural steel construction projects.
The machine features high automation, strong structural rigidity and flexible profile adjustment, helping customers reduce labor costs, improve productivity and ensure consistent product quality.



