Product Overview

This Automatic CZU Purlin Roll Forming Machine with Pre-Shear and Post-Punch System is designed for customers who require flexible length control, accurate hole positioning and high-quality finished purlins. The pre-shear structure ensures clean cutting before forming, while the post-punching unit provides precise hole placement after profile shaping.

Main Technical Attributes

• Formed profiles: C purlin, Z purlin, U channel

• Forming process: Cold roll forming

• Production configuration: Pre-shear + post-punch

• Control system: PLC automatic control system

• Operation mode: Fully automatic

• Material thickness range: 1.5–3.5 mm

• Applicable materials: Galvanized steel, black steel, PPGI

• Yield strength: ≤ 350 MPa

• Forming speed: 10–20 m/min

• Roller stations: 16–20 stations

• Roller material: GCr15 bearing steel

• Roller processing: CNC machining and heat treatment

• Main shaft diameter: 75–85 mm

• Shaft material: 45# forged steel

• Machine frame: Heavy-duty welded steel structure

• Drive system: Gearbox drive

• Pre-shear system: Hydraulic pre-shearing unit

• Post-punching system: Hydraulic punching after forming

• Punching molds: Customized punch dies available

• Punching accuracy: High precision positioning

• Cutting blade material: Cr12MoV heat treated steel

• Length control: Encoder automatic measurement

• Length tolerance: ±1 mm

• Width adjustment: Motorized automatic adjustment

• Profile height adjustment: PLC controlled

• Main motor power: 18.5–30 kW

• Hydraulic station power: 11–15 kW

• Power supply: 380V / 50Hz / 3 Phase

• Electrical components: Siemens / Schneider optional

• Human machine interface: Touch screen HMI

• Control cabinet: Independent electrical cabinet

• Noise level: Low industrial noise

• Production stability: Continuous and stable operation

• Energy efficiency: Optimized hydraulic and motor system

• Maintenance: Easy maintenance

• Installation: Simple floor installation

• Safety system: Emergency stop and safety guards

• Machine color: Blue (customizable)

• Working environment: Industrial workshop

• Application: Steel structure buildings

• Application: Warehouses and factories

• Application: Prefabricated construction projects

Key Advantages

The pre-shear and post-punch configuration improves cutting quality and hole accuracy while allowing flexible production planning. This solution is ideal for customized steel structure projects requiring consistent quality and high efficiency.

Service & Support

We provide installation guidance, commissioning support, operator training and long-term spare parts supply to ensure smooth and reliable production.