Introduction
The Cee & Zed Purlins Machine is a specialized industrial equipment designed for the high-efficiency production of C-shaped, Z-shaped, and U-shaped purlins—critical structural components in construction and manufacturing. Its primary function is to automate the forming, cutting, and finishing of steel profiles, ensuring precision, speed, and cost-effectiveness.
Purlins are essential for reinforcing roofs, walls, and frameworks in buildings, bridges, and industrial structures. The Cee & Zed Machine’s role in mass-producing these components reduces labor costs, minimizes material waste, and accelerates project timelines.
Brief History and Evolution
Developed in the late 20th century, the Cee & Zed Purlins Machine has evolved alongside advancements in steel processing technology. Early models focused on basic profile forming, while modern iterations integrate automated CNC systems, AI-driven quality control, and energy-efficient motors. Today, it remains a cornerstone of steel construction automation.
Technical Specifications
Machine Specifications | |
Weight | About 15000kgs |
Size | About 15m x 2m x 1.8m (length x width x height) |
Color | Main color: blue |
Warning color: yellow | |
Suitable Raw Material | |
Material | Galvanized Steel Coils |
Thickness | 1.5-3.0mm |
Coil width | According to products size |
Yield strength | 235Mpa |
Main Technical Parameters | |
Quantity of forming rollers stations | 24 |
Diameter of forming rollers shafts | 75mm |
Roll Forming Speed | 10-15m/min |
Production Speed | 4-6m/min |
Forming rollers material | Gcr15 mould steel, with quenched treatment |
Cutter material | CR12 mould steel, with quenched treatment |
Controlling system | PLC and Converter |
Electric power requirement | Main motor power: 18.5kw |
Hydraulic unit motor power: 5.5kw | |
Electric voltage | According to customers requirement |

Material Compatibility
The machine processes a wide range of steel grades:
Material Type | Thickness Range (mm) | Common Applications |
Galvanized Steel | 0.5–3.0 | Corrosion-resistant roofing |
Cold-Rolled Steel | 0.8–5.0 | Industrial frames and walls |
Stainless Steel | 1.0–2.5 | Marine or chemical environments |
Special Requirements: Pre-coated materials or alloy steels may require custom tooling.
Production Capacity
Metric | Performance Benchmark | Variables Affecting Rates |
Forming Speed | 15–25 m/min | Material thickness, tool wear |
Output Rate | 200–400 profiles/hour | Automation level, operator skill |
Precision | ±0.3 mm (for critical dimensions) | Machine calibration, material consistency |
Applications of Cee & Zed Purlins
Industrial Construction Uses
- Factories & Warehouses: Supports long-span roofs and heavy-duty walls.
- Bridges & Stadiums: Provides lightweight yet durable structural reinforcements.
Agricultural & Extension Projects
- Barns & Sheds: Cost-effective roofing solutions for rural infrastructure.
- Renovation Projects: Retrofits old structures with modern, load-bearing purlins.

Machine Advantages and Features
Versatility in Production
Profile Type | Tool Change Time | Customization Options |
Cee | <3 minutes | Flange width, lip depth |
Zed | <2 minutes | Web thickness, overall length |
U-shaped | <4 minutes | Radius adjustments |
Key Benefit: Reduces downtime with modular tooling systems.
Precision & Quality Control
- Automated Sensors: Monitor profile dimensions in real time.
- Quality Assurance: 100% visual and dimensional checks via AI-powered cameras.
Production Workflow
- Raw Material Feeding: Coiled steel is fed into the machine.
- Leveling & Punching: Automated rollers flatten the steel, and CNC punches create precise holes/indentations.
- Forming: Hydraulic presses shape the steel into C/Z/U profiles.
- Cutting & Finishing: Rotary knives trim excess material, and deburring systems smooth edges.
Warranty & Maintenance
Service | Details |
Warranty Period | 5 years (parts), 3 years (machinery) |
Maintenance Schedule | Quarterly inspections + annual overhaul |
Spare Parts | 24/7 global inventory access |
Technical Support & Training
- Training Programs: Hands-on workshops for operators (2–5 days).
- Remote Diagnostics: Live support via IoT-enabled dashboards.
Conclusion
The Cee & Zed Purlins Machine redefines structural component manufacturing with its speed, precision, and versatility. Ideal for industrial, agricultural, and infrastructure projects, it delivers unmatched ROI through reduced labor costs and material efficiency.