Heavy Duty 4mm CZ Purlin Machine - Frame Type

Purlin lines are the backbone of steel-frame workshops: they convert coil into C, Z or sigma sections that carry roof and wall sheeting. This Heavy Duty 4mm CZ Purlin is configured for the target section range and is delivered with the tooling set matched to your section sizes and thickness program.

Overview

The Heavy Duty 4mm CZ Purlin Machine is a fully automatic roll forming line designed to produce 4mm thick CZ purlins with heavy duty frame. With 20 forming stations, forming speed 10-15 m/min, 1.9-2.6 mm material, 18.5 kW drive power, it delivers consistent, high quality production for building and construction applications.

Manufactured by Zhongtuo (ZTRFM) in Botou, Hebei, China, this machine uses high grade 45# steel shafts and rollers. It is ISO CE certified with a 2 years warranty. Every unit ships with a machinery test report and video outgoing-inspection.

C and Z purlins from this machine go into portal-frame sheds, mezzanine floors, carports, warehouses and solar mounting structures. Z sections are typically specified where laps are needed over long spans; C sections are preferred for simpler connections. Offering both sections makes a workshop a one-stop supplier for steel-frame builders.

Technical Specifications

Product name	Purlin Roll Forming Machine
Material Type	Galvanized Steel Coil
Thickness Range	1.9-2.6 mm
Yield Strength	235 MPa
Roller Stations	20
Shaft Diameter	74mm
Forming Speed	10-15 m/min
Production Speed	4-6 m/min
Main Motor Power	18.5 kW
Certification	ISO CE
Video outgoing-inspection	Provided
Machinery Test Report	Provided
Core Components	PLC,Engine,Motor,Pump
Voltage	380V
Warranty	2 years
Key Selling Points	Easy to Operate
Place of Origin	CN;HEB
Brand Name	ZTRFM
Power	24kw
*Dimension(LWH)*	22m * 2m * 1.8m
product title	Compatible Automatic Heavy Duty Steel Frame Purlin Machines 4MM Thick Material C Z Purlin Forming Machine

Key Specifications of the Heavy Duty 4mm CZ Purlin

The profile is formed progressively through 20, which spreads the bending load over many passes and keeps section dimensions steady across long runs. Rated forming speed is 10-15 m/min, which sets the practical daily output of the line and makes production planning straightforward for the sizes you run. The line is set up for coil in the 1.9-2.6 mm thickness range, with roller clearances and cutting capacity matched to that material program. The main drive is rated at 18.5 kW, sized for continuous operation at full line speed without overheating on long shifts. Electrical supply is 380V, and the control cabinet can be adapted to your local voltage when ordering. The forming shafts are 74mm, selected for stiffness so the roller stack stays aligned under load.

Key Features

20 forming stations for stable, precise profile shaping
Forming speed 10-15 m/min for high productivity
Processes Galvanized Steel Coil raw material
Handles 1.9-2.6 mm material thickness
Machinery test report and video outgoing-inspection provided
ISO CE certified

A purlin machine earns trust through section consistency. This Heavy Duty 4mm CZ Purlin holds flange width and depth tolerance across the full run because each forming pass is calibrated to the material yield strength, and the cutting system is synchronized with line speed so every piece is the programmed length within roughly one millimetre.

FAQ

What is the minimum order quantity?

The MOQ is 1 set.

What material does this machine process?

It processes Galvanized Steel Coil coil.

What is the warranty period?

A 2 years warranty applies, with machinery test report and video outgoing-inspection provided.

Can the machine be customized for my profile?

Yes. Roller sets and profiles can be customized to your drawings, and OEM/ODM service is available.

How many forming stations does this machine have?

This model is equipped with 20. The station count is matched to the profile complexity, so each pass adds only a small bend and the section holds its shape without spring-back issues.

What is the forming speed of this machine?

The rated forming speed is 10-15 m/min. Actual output depends on the profile, material gauge and cutting cycle; we confirm the tested speed for your configuration in the quotation.

Can it punch holes automatically?

Yes. The optional hydraulic or servo punching unit is synchronized with the PLC and can be programmed for end plates, bracing holes or slots. Hole positions stay aligned with the cut because both use the same program.

Do you supply lines for solar mounting profiles?

Yes, we build purlin and strut lines for solar mounting frames, including strut channel sections such as 41x21 and heavier rails. Specify the section drawing and coating and we will confirm the configuration.

Does it run both C and Z sections?

The two-in-one design runs C and Z profiles on one line by changing the roller arrangement and program. If you need both sections, this configuration usually costs less than two separate machines.

What thickness range is supported?

Standard purlin lines typically run 1.5-3.0 mm; heavy-duty versions extend to 4-6 mm depending on the model. The frame, gearbox and cutting unit are sized to the thickness you plan to run, so confirm your maximum gauge when requesting a quotation.

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Get a Quote

Contact Zhongtuo (ZTRFM) for pricing and configuration. Since 2019 we manufacture CE and ISO certified roll forming lines in Botou, Hebei, China, serving buyers in over 80 countries.