This Heavy Duty CZU Purlin Roll Forming Machine is designed for large-scale steel structure production. The complete line integrates decoiling, leveling, hydraulic punching, roll forming and post cutting, delivering stable output, high dimensional accuracy and excellent surface quality.
Machine type: Automatic cold roll forming line
Profiles supported: C purlin, Z purlin, U channel
Material thickness range: 1.5–3.5 mm
Material width: Adjustable
Raw materials: GI, PPGI, hot rolled steel, cold rolled steel
Yield strength capacity: ≤ 350 MPa
Forming speed: 10–25 m/min
Roller stations: 16–20 stations
Roller material: GCr15 bearing steel
Heat treatment: Quenched and polished
Shaft material: 45# forged steel
Shaft diameter: 75–85 mm
Main motor power: 15 kW
Hydraulic power: 7.5 kW
Punching system: Hydraulic pre-punching
Cutting type: Hydraulic flying cut-off
Blade material: Cr12Mov
Control system: PLC automatic control
Touch screen: Industrial HMI
Length accuracy: ±1.0 mm
Profile change: Automatic size adjustment
Transmission: Heavy-duty chain drive
Machine frame: Integral welded structure
Base frame: Thick H-beam structure
Hydraulic pressure: 18–22 MPa
Cooling method: Air & oil cooling
Noise control: Low-noise operation
Electrical components: International brands
Safety devices: Emergency stop & protective covers
Automatic length measurement
Automatic counting system
High forming precision
Smooth finished profile surface
Stable long-term operation
Easy operation & maintenance
Energy-efficient system
High output for mass production
Flexible profile design
Compact line layout
Steel coil feeding → leveling → hydraulic punching → roll forming → hydraulic cutting → finished purlin output.
Widely used in steel structure buildings, warehouses, factories, workshops, prefabricated houses, logistics centers and agricultural steel constructions.
This CZU purlin roll forming line offers high automation, reliable performance and excellent adaptability, helping manufacturers improve productivity, reduce labor cost and ensure consistent product quality.



