Heavy Duty Steel Frame Roll Former | C&Z Interchangeable Purlin Production Line

The Automatic CZ Purlin Roll Forming Machine is a high-performance steel framing production solution designed for manufacturing C purlins, Z purlins, and structural steel profiles used in industrial buildings, warehouses, steel structures, and construction projects.

Equipped with a heavy-duty 350H frame structure, automatic size change system, servo motor drive, precision punching unit, and high-strength forming rollers, this machine provides high efficiency, excellent forming accuracy, and reliable continuous production performance.

The production line supports automatic switching between C and Z purlin profiles, greatly improving production flexibility and reducing manual adjustment time.

It is an ideal solution for steel structure manufacturers requiring high-speed and intelligent purlin production.

 

The CZ purlins produced by this machine are widely used in:

🏭 Industrial Steel Buildings

Providing strong structural support for factory buildings and workshops.

🏢 Warehouse Construction

Used for roof and wall framing systems in large-scale warehouses.

 🏗 Steel Structure Projects

Suitable for commercial buildings, agricultural buildings, and infrastructure projects.

Technical Specification:

Machine Type	Automatic CZ Purlin Roll Forming Machine
Frame Structure	Heavy Duty 350H
Profile Type	C & Z Purlin
Thickness	1-3.5 mm
C Purlin Size	80-350 mm
Z Purlin Size	120-350 mm
Forming Stations	23 Stations
Shaft Material	40Cr
Roller Material	Cr12
Roller Hardness	HRC58-60
Max Speed	37 m/min
Drive System	Servo Motor + Gearbox
Control System	Panasonic PLC

Customized Panel Production

According to different project requirements, the machine can manufacture various purlin designs, including:

Panel width, height, hole pattern, and profile shape can be customized based on customer drawings.

1. Production Process

Decoiler → Coil Feeding →Leveling & Guiding →  Automatic Punching→Roll Forming→ Hydraulic Cutting →Finished Product Output

2. Leveling part and feeding

2. Heavy Duty 350H Machine Structure

The machine adopts a heavy-duty welded frame design, providing excellent rigidity and stability during high-speed production.

Advantages:

✔ Strong deformation resistance
✔ Stable operation
✔ Long service life
✔ Suitable for heavy gauge steel forming

3. Automatic CZ Profile Change System

The intelligent adjustment system enables automatic switching between C and Z purlin sizes.

Benefits:

✔ Faster size changeover
✔ Reduced downtime
✔ Lower labor requirements
✔ Improved production efficiency

4. High Precision Forming System

The forming section adopts:

23 forming stations (one of which is a waist height molding 87-95 degree arbitrary adjustable roller group)
φ90 / φ75 solid shafts
40Cr CNC machined shafts
Cr12 forming rollers

The rollers are CNC processed and heat treated to HRC58-60, ensuring excellent wear resistance and long-term forming accuracy.

5. High-Speed Servo Drive System

The machine uses:

Servo motor drive
Gearbox transmission
Universal coupling transmission system

Maximum forming speed:

Up to 37 m/min (without punching)

This improves production efficiency while maintaining profile accuracy.

6. Integrated Precision Punching System

The automatic punching unit can complete multiple punching operations before forming.

Features:

✔ Customized punching patterns
✔ Accurate hole positioning
✔ Stable punching performance

Punching accuracy:

≤ ±1 mm

7. Advanced Hydraulic Cutting System

The hydraulic cutting system adopts high-quality cutting blades for clean and accurate cutting.

Features:

✔ No deformation after cutting
✔ Smooth cutting edge
✔ Adjustable cutting length

 8. PLC Automatic Control System

The production line adopts reliable electrical components:

PLC System: Panasonic (Japan)

Touch Screen: Weinview

Encoder: Omron (Japan)

Proximity Switch: Autonics (Korea)

The control system supports:

✔ USB production data input
✔ Remote data transmission
✔ Digital parameter management
✔ Easy operation

9. Safety Protection Design

The machine is equipped with safety protection covers for:

Roll forming section
Punching section

A safety switch automatically stops machine operation when the protection cover is opened, ensuring operator safety.

Why Choose Zhongtuo CZ Purlin Machine?

✅ Professional Structural Steel Solution

Designed for industrial steel building manufacturers.

✅ High Production Efficiency

Automatic size changing and servo drive improve output capacity.

✅ Reliable Components

Using international brand electrical components for stable operation.

✅ Customized Manufacturing

Profile dimensions, punching patterns, and production solutions can be customized.

✅ Complete Technical Support

Including machine design, production testing, installation guidance, and after-sales service.