Fully Automatic CZ Purlin Roll Forming Machine 8–15 m/min

The Fully Automatic CZ Purlin Roll Forming Machine is an automated steel profile production line developed for manufacturing C purlins and Z purlins used in modern steel buildings. It converts galvanized steel, pre-painted steel, aluminum, and other metal coils into accurately formed structural purlins through continuous roll forming.

Designed for high-volume fabrication, the machine combines automatic decoiling, leveling, punching, roll forming, length measurement, and hydraulic cutting into one integrated system. This configuration reduces manual intervention and helps manufacturers maintain consistent profile dimensions throughout long production runs.

A key feature of the system is its automatic C/Z profile conversion capability. Different C and Z purlin specifications can be selected through the PLC control system, making the equipment suitable for factories producing multiple structural profiles.

Automatic C and Z Purlin Production

Unlike a conventional single-profile roll former, this C Z purlin machine is designed to handle both C-shaped and Z-shaped structural sections.

The production process starts with the hydraulic decoiler feeding the steel coil into the leveling and forming section. The material is then progressively shaped through precision forming rollers. Depending on the selected production program, the system can perform punching and length cutting automatically before the finished purlin is discharged.

The integrated production process helps reduce unnecessary handling between individual machines and provides a more efficient solution for structural steel manufacturers.

The PLC control system manages the forming sequence, punching parameters, production length, and cutting operation. Operators can select the required profile and production settings from the control interface, reducing adjustment work during daily operation.

Fast C/Z Profile Changeover

One of the practical advantages of the machine is its automatic C/Z profile changeover system.

For production environments where both C and Z purlins are required, changing between profiles without manually replacing the complete roller tooling can save considerable setup time. The profile conversion can be completed through the machine control system, with typical changeover time of approximately 3–8 minutes, depending on the machine configuration and selected profile.

This makes the equipment particularly suitable for manufacturers handling customized steel structure orders where different purlin sizes may be required within the same production schedule.

The system can therefore be configured for flexible production rather than being limited to manufacturing only one fixed purlin profile.

Stable Roll Forming for Structural Steel

The forming section is equipped with GCr15 heat-treated rollers and an 80 mm solid shaft. These components are designed to withstand continuous forming loads while maintaining the alignment of the material during production.

The machine uses a 15 kW main motor, while the hydraulic system is powered by a 5.5 kW hydraulic motor. Under standard production conditions, the forming speed can reach approximately 8–15 m/min.

The actual production speed can vary according to the profile dimensions, material thickness, punching requirements, and forming configuration.

Materials and Thickness Range

The CZ purlin roll forming machine can be configured to process different metal materials commonly used in structural fabrication.

Typical materials include:

• Galvanized steel (GI)

• Pre-painted galvanized steel (PPGI)

• Aluminum

• High-strength steel

For the configuration described here, the machine is designed for material thicknesses from approximately 1.5 mm to 3.0 mm.

This thickness range allows the equipment to produce structural purlins for applications where higher load-bearing capacity is required. Material grade, yield strength, profile dimensions, and thickness should be confirmed before machine design because these factors directly affect the forming system and tooling configuration.

Technical Specifications

Item	Specification
Machine Name	Fully Automatic CZ Purlin Roll Forming Machine
Brand	ZTRFM
Material Thickness	1.5–3.0 mm
Main Motor Power	15 kW
Hydraulic Power	5.5 kW
Forming Speed	8–15 m/min
Roller Stations	12 Rows, Customizable
Roller Material	GCr15, Heat Treated
Shaft Diameter	80 mm Solid Shaft
Decoiler	Hydraulic Automatic Decoiler
Cutting Method	Hydraulic Cutting
Cutting Blade	Cr12Mov
Control System	PLC
Control Language	Multi-Language Support
Voltage	380V / 50Hz / 3 Phase
Machine Weight	Approx. 7–11 Tons
Machine Dimensions	Approx. 15 × 1.5 × 1.5 m

The final configuration can be customized according to the required C/Z purlin profile, material, thickness, punching pattern, and production capacity.

Where Are C and Z Purlins Used?

C and Z purlins are widely used as structural members in steel construction. Their relatively lightweight design, efficient cross-sectional geometry, and compatibility with prefabricated steel structures make them suitable for a broad range of projects.

Steel Factory Buildings

In industrial buildings, C and Z purlins are commonly installed as secondary structural members supporting roof and wall systems. They can be used together with primary steel frames to create durable factory structures.

Warehouses and Distribution Centers

Large warehouses often require long-span structural systems with efficient use of interior space. Roll-formed C and Z purlins can be incorporated into roof and wall framing for logistics centers, storage facilities, and industrial warehouses.

Solar Mounting Structures

Steel profiles produced by a CZ purlin forming machine can also be used in certain solar support structures. Depending on the engineering design, purlins can provide structural support for photovoltaic installations on rooftops or ground-mounted systems.

Precision Cutting and PLC Control

Accurate cutting is essential when producing structural purlins because the finished sections must match the required construction lengths.

This machine uses a hydraulic cutting system with Cr12Mov blades to cut the formed profiles according to programmed dimensions. The cutting process is integrated into the automated production line, reducing the need for manual measurement and cutting after forming.

The PLC system coordinates material feeding, forming, punching, length measurement, and cutting. With multi-language control support, the machine can be configured for different operating environments.

Designed for High-Volume Steel Profile Manufacturing

For steel structure manufacturers producing different purlin sizes, a fully automatic system can simplify the entire production workflow.

The combination of automatic feeding, precision roll forming, programmable punching, hydraulic cutting, and C/Z profile conversion allows the machine to handle repeated production orders with less manual intervention.

The 12-row forming section can also be customized according to the required profile geometry. This flexibility allows the machine configuration to be matched to different project specifications rather than relying on a single universal tooling setup.

Why Choose an Automatic CZ Purlin Roll Former?

For manufacturers supplying structural steel components, the main value of a Fully Automatic CZ Purlin Roll Forming Machine lies in production flexibility and process integration.

The machine can produce both C and Z profiles, automate the main forming operations, support material thicknesses of approximately 1.5–3.0 mm, and provide programmable cutting and punching. Its hydraulic decoiler and PLC-controlled production system further reduce manual handling.

With the appropriate tooling and machine configuration, manufacturers can produce purlins for industrial buildings, warehouses, agricultural structures, solar support systems, prefabricated buildings, and other

Frequently Asked Questions

1. What materials can the CZ purlin roll forming machine process?

The machine can be configured for galvanized steel, PPGI, aluminum, and high-strength steel. The recommended material and thickness should be confirmed according to the required purlin profile.

2. Can one machine produce both C and Z purlins?

Yes. The automatic C/Z changeover system allows the machine to manufacture both C-shaped and Z-shaped purlins. The exact conversion method depends on the machine configuration.

3. What is the forming speed of the machine?

The standard forming speed is approximately 8–15 m/min. Actual speed depends on the profile size, material thickness, punching requirements, and production configuration.

4. Can the purlin size and punching pattern be customized?

Yes. The roller tooling, punching system, cutting length, and other production parameters can be customized according to the customer's drawings and structural requirements.

5. What information is needed to quote a CZ purlin machine?

For an accurate quotation, manufacturers normally need the C/Z profile drawings, material type, thickness, required widths/heights, punching pattern, production speed, voltage, and target production capacity. These details determine the forming tooling and machine configuration.