Product Overview
This Purlin Roll Forming Machine is engineered for steel structure engineering, metal building systems, and warehouse construction projects. It enables continuous production of C/Z/U metal purlins in various specifications. The machine supports automatic width adjustment and rapid switching between C and Z profiles, and comes equipped with an automatic punching system and hydraulic cutting unit. It is ideally suited for steel structure companies, metal building contractors, and large-scale distributors with stable demands for output capacity, precision, and project timelines.
This equipment adopts a fully automated control system, enabling rapid adjustments between different specifications, significantly reducing changeover time, and enhancing overall production line efficiency. For manufacturers consistently undertaking projects such as steel structure workshops, metal warehouses, light gauge steel framing (LGSF), or transportation and municipal infrastructure, stable forming quality and continuous output capacity are crucial. This purlin roll forming machine provides a reliable production solution for the metal building supply chain with higher output, more precise dimensional control, and reduced reliance on manual labor.
Technical Features and Functional Advantages

Intelligent Specification Adjustment System
The equipment is equipped with automatic width adjustment modules and hole parameter programming functions, enabling rapid adaptation to different size specifications without physically replacing molds. Through the coordinated control of digital encoders and servo positioning systems, standard specification changeover time is compressed to within 12 minutes, significantly enhancing production flexibility for multi-batch, small-quantity orders.
Efficient Profile Changeover Mechanism
The unique C/Z conversion mechanism utilizes hydraulic locking and servo positioning technology to complete profile cross-section switching while maintaining continuous production line operation. During the changeover process, each forming station is automatically synchronized and calibrated, avoiding cumulative errors associated with traditional mechanical adjustments, thereby reducing the average project delivery cycle by 18%.
Precision Punching and Cutting Process Control
The hydraulic punching unit features a multi-axis linkage system, achieving hole positioning accuracy within ±0.3 mm and angular tolerance within ±1°. The cutting mechanism employs pre-tensioned hydraulic cylinders and enhanced guide design, ensuring cutting edge perpendicularity deviation of less than 0.5 mm per meter, meeting the process requirements for high-rise steel structures and precision assembly scenarios.
Stable Engineering Production Capability
To meet the demands of long-term steel structure projects, the equipment adopts a modular temperature control system and vibration monitoring devices. The operating status of key transmission components is fed back in real time to the central control unit, ensuring over 95% effective operation time during daily 20-hour continuous work.


Fully Automated Process Control System
The industrial Ethernet-based PLC system integrates a production management module, enabling full-process automation from order parsing to finished product labeling. The system automatically generates digital identity codes for each batch of products while synchronously recording process parameters and quality data, reducing human error rates to below 0.2%.
Multi-Functional Production Line Integration Solution
A single machine, through programmable forming paths and a quick mold change system, is compatible with the production of C80-C350, Z150-Z300, and U-series profiles. This integrated design allows metal product suppliers to expand their product range by 3-5 times without increasing floor space, making it particularly suitable for regional distribution centers and engineering support enterprises seeking to establish a differentiated competitive advantage.
Technical Specifications

High-quality steel framing materials are created by light keel roll forming machines using a continuous process. Steel coils are fed through a succession of rollers in the process, which gradually shapes the steel into the appropriate profile.
The light gauge steel profile roll forming machine is capable of creating a wide range of profiles, including stud, track, channel, C/U/T shape, etc. These profiles are frequently used as the vertical frame of non-bearing wall systems, ceilings, and supports for gypsum board, among other things. One machine can create one or more sizes of profiles depending on the profile shapes. Additionally, it is possible to construct it as a fast, continuous cutting system.
1. One roll stand has 14 stations and has rollers for material feeding and primary forming rollers.
2. It uses a cycloid cone pulley reducer and has a 5.5KW main motor.
3. Chrome-plated, 45# high-grade steel serves as the roller's material.
4. The roller was finished machined using a CNC machine. The surface has been polished and is 0.05 millimeters rough.
5. Forged 45# steel with heat treatment serves as the main shaft material.
6. The primary shaft's diameter is about 70 mm.
7. Using carbon dioxide gas arc welding, 250 x 125mm H-shaped steel was used for the frame's construction. Shot blasting was employed to treat the surface.
8. A typical profile drawing of a machine that forms studs, tracks, and channels
The width is available for both coated coil (PPGI/PPGL) and galvanized coil (GI/GL), as well as steel profiles and bespoke items.
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