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CU Purlin Roll Forming Machine

CU Purlin Roll Forming Machine

The entire line adopts a PLC intelligent control system to achieve automatic uncoiling, leveling, roll forming, fixed-length cutting, and finished product output. It offers high production efficiency and stable forming precision, making it an ideal choice for the batch production of modern steel structure purlins.

Product description

Dual-Purpose Machine · High Efficiency · High Precision Steel Structure Purlin Forming Solution

The C/U Purlin Roll Forming Machine is an integrated cold roll forming equipment specifically designed for producing C-section and U-section steel structure purlins. By replacing or adjusting the forming molds, this machine can flexibly switch between different cross-section specifications on the same production line, meeting the production needs for multi-specification purlins in steel structure factories, warehouses, logistics centers, and prefabricated buildings.

Applicable Product Range

  • C-Section Steel Purlins
  • U-Section Steel Purlins
  • Light Steel Structure Load-Bearing Purlins
  • Steel Structure Profiles for Industrial Factories and Warehouses

Why Choose Our C/U Purlin Roll Forming Machine?

  1. Dual-Purpose Machine, Flexible Specification Switching​Quick mold replacement or adjustment system enables switching between C-section and U-section purlin production.

    Supports various heights, widths, and plate thickness specifications, reducing equipment investment costs.

  2. High Forming Precision, Stable Structure​Multi-pass progressive cold roll forming design effectively controls material stress, avoiding twisting and edge warping.

    Forming rollers are made of high-strength alloy steel (GCr15), heat-treated and precision-machined for strong wear resistance.

  3. High Automation, Stable Production Efficiency​Continuous roll forming with production speeds up to 10-30 meters/minute.

    Automatic fixed-length cutting ensures accurate length and smooth cuts, facilitating on-site installation.

  4. Sturdy Equipment Structure, Reliable Operation​Heavy-duty integral welded frame with vibration stress relief treatment ensures stability during high-speed operation.

    Key electrical and hydraulic systems can be optionally configured with international brands to reduce failure rates and maintenance costs.

Core Technical Advantages

  • PLC + HMI Intelligent Control System:​ Intuitive parameter setting, supports quick specification switching.
  • Variable Frequency Speed Control Drive System:​ Smooth operation, energy-saving, and high efficiency.
  • High-Precision Flying Cut System:​ Hydraulic or servo cutting with high length accuracy.
  • Modular Design Structure:​ Facilitates maintenance and future functional upgrades.

Technical Parameters

Parameter Item Technical Specifications (Customizable)
Applicable Materials Galvanized steel sheet, Cold-rolled steel sheet
Plate Thickness 1.5 – 3.5 mm
Material Yield Strength ≤350 MPa
Forming Speed 10 – 30 m/min
Number of Forming Passes 14 – 20 Stations
C-Purlin Height 80 – 300 mm
U-Purlin Height 80 – 300 mm
Profile Width 40 – 100 mm
Roller Material High-strength alloy steel (GCr15)
Main Shaft Diameter Φ75 – Φ95 mm
Drive Method Variable frequency motor drive
Control System PLC + HMI Touchscreen
Cutting Method Hydraulic / Servo Flying Cut
Length Accuracy ±1.0 mm
Total Machine Power 22 – 75 kW
Total Machine Weight 10 – 25 tons

Typical Application Fields

  • Steel Structure Factories: Roof and Wall C/U Purlins
  • Warehouses and Logistics Centers: Load-bearing and Auxiliary Structures
  • Prefabricated Buildings: Standardized Steel Structure Components
  • Photovoltaic Support Systems: Structural Support Profiles




We Provide Complete Purlin Production Solutions, Not Just Equipment

From C/U purlin cross-section design and process analysis to equipment manufacturing, installation, debugging, personnel training, and long-term technical support, we provide customers with stable, efficient, and sustainable steel structure purlin production solutions, helping you establish a long-term competitive advantage in the global steel structure market.

Contact us for detailed quotations and customization plans for the C/U Purlin Roll Forming Machine!

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