Steel Frame & Purlin Machine - CNC Punching

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 Steel Frame & 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 Steel Frame & Purlin Machine is a fully automatic roll forming line designed to produce steel frames and purlins with CNC punching. With 0.8-1.2 Mm Thickness material, 22.5kw 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 1.5 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

Name	steel frame & purlin machine
Thickness	0.8-1.2 Mm Thickness
Punching	CNC punching Machine
change size by	Automatic by PLC
raw material	Galvanized Steel Strip
Usage	Construction Building Material
Application	Building Construction
Roller material	Cr12
Certification	ISO CE
Video outgoing-inspection	Provided
Machinery Test Report	Provided
Core Components	PLC,Bearing,Motor,Gear,Pump
Warranty	1.5 years
Key Selling Points	Easy to Operate
Place of Origin	CN;HEB
Work Pressure	16 mpa
Brand Name	ZTRFM
Voltage	380v 50hz or customized
Power	22.5kw
*Dimension(LWH)*	121.52.0m
product title	Steel Frame & Purlin Machine with PLC Control Gear & Motor Driven CNC Punching ISO CE Certified

Key Specifications of the Steel Frame & Purlin

The line is set up for coil in the 0.8-1.2 Mm Thickness thickness range, with roller clearances and cutting capacity matched to that material program. The main drive is rated at 22.5kw, sized for continuous operation at full line speed without overheating on long shifts. Electrical supply is 380v 50hz or customized, and the control cabinet can be adapted to your local voltage when ordering. Forming rollers are Cr12, giving predictable profile accuracy and long intervals between re-grinds. The machine is built to run Galvanized Steel Strip coil, and the tooling path is set up for these coated or galvanized materials without surface marking. The complete line occupies roughly Automatic by PLC on the workshop floor, including the operating clearances at the coil and finished-sheet ends.

Key Features

Processes Galvanized Steel Strip raw material
Handles 0.8-1.2 Mm Thickness material thickness
Machinery test report and video outgoing-inspection provided
ISO CE certified

A purlin machine earns trust through section consistency. This Steel Frame & 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 Strip coil.

What is the warranty period?

A 1.5 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.

What material thickness can this machine process?

The machine is configured for coil thickness in the 0.8-1.2 Mm Thickness range. If you plan to run material outside this range, tell us in advance so we can adjust the roller stations and cutting unit.

What is the installed power of this machine?

The line is rated at 22.5kw. Power consumption in practice is lower than the rated figure for most running profiles, since the drive only loads under material.

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.

Related Machines

Explore more machines in this category:

View all Purlin & Steel Framing Machines | All products

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.