The C Purlin Roll Forming Machine from ZTRFM provides an efficient solution for manufacturers producing C-shaped structural steel for roofing, wall systems, warehouses, factories, and other steel structures. By integrating decoiling, leveling, punching, roll forming, and cutting, the production line transforms steel coils into accurately formed C purlins with consistent dimensions.
Unlike conventional single-size equipment, ZTRFM can configure the machine according to the required profile, material thickness, punching pattern, production speed, and degree of automation. As a result, manufacturers can build a production line that matches their actual project requirements instead of paying for unnecessary functions.
What Is a C Purlin Roll Forming Machine?
A C purlin roll forming machine continuously processes galvanized or cold-rolled steel strips through a series of precision forming rollers. First, the decoiler releases the steel coil. Next, the feeding and leveling system guides and straightens the material. The machine then performs punching when required, progressively bends the strip through multiple forming stations, and finally cuts the finished C purlin to the programmed length.
Because the rollers gradually shape the steel instead of forming the entire section in one operation, the machine maintains stable dimensions throughout continuous production. In addition, PLC and HMI controls allow operators to set production length, quantity, and other parameters from the touch screen.
C purlins feature a lightweight C-shaped cross-section while providing effective structural support. Therefore, they are widely used as roof purlins, wall supports, and secondary structural members in steel buildings.
C Purlin Machine Specifications and Production Capability
ZTRFM designs C purlin production lines for different profile sizes and production requirements. The following specifications represent a typical configuration; exact parameters can be customized according to the customer’s profile drawings and material requirements.
| Item | Typical Specification |
|---|---|
| Material thickness | 1.0–3.0 mm |
| Material grade | G300–G550 / Q195 / Q235, depending on configuration |
| Material width | 150–450 mm |
| Forming speed | 16–18 m/min |
| Forming stations | 14–20 stations |
| Total power | 11–18 kW |
| Machine weight | 6–9 tons |
| Machine dimensions | Approx. 8–11 m × 1.2–1.6 m × 1.6 m |
| Transmission | Gearbox / customized drive system |
| Punching | Hydraulic punching system |
| Cutting | Hydraulic cutting system |
| Control | PLC + HMI |
| Size adjustment | Manual or customized automatic adjustment |
The actual output depends on the C purlin profile, material thickness, hole pattern, cutting length, and line configuration. For projects requiring multiple specifications, ZTRFM can also develop C purlin roll forming machines with adjustable tooling or automatic size-change functions.
Complete C Purlin Production Line
A complete C purlin making machine normally combines several sections so that manufacturers can achieve continuous and organized production.
The decoiler supports the steel coil and releases the strip at a controlled rate. Depending on the coil weight, ZTRFM can provide different decoiler capacities, including 3-ton, 5-ton, and 10-ton configurations.
After decoiling, the feeding and leveling unit straightens the strip and guides it accurately into the forming section. This step helps reduce material deviation and improves punching and forming accuracy.
Next, the hydraulic punching system creates mounting holes, bolt holes, or other openings according to the customer’s drawings. The PLC works with an encoder or positioning system to control hole locations and cutting lengths.
The roll forming unit then progressively bends the steel strip through multiple roller stations. Each station performs a controlled forming step, allowing the machine to create a stable C-shaped profile without excessive deformation.
Finally, the hydraulic cutting system separates the continuously formed profile into individual purlins. The operator can enter the required length and quantity through the HMI, while the control system coordinates feeding, punching, forming, and cutting.
Key Advantages of the ZTRFM C Purlin Machine
ZTRFM focuses on combining production efficiency with reliable machine operation. The machine uses a heavy-duty frame and precision-machined rollers to support continuous forming under demanding working conditions.
Moreover, the PLC and HMI control system simplifies operation. Operators can quickly set production parameters, monitor machine status, and adjust production orders without manually controlling every process.
The forming rollers can be manufactured from suitable alloy materials according to the application. Meanwhile, the hydraulic punching and cutting systems provide an integrated solution for profiles that require holes and fixed-length cutting.
For manufacturers producing different C purlin sizes, ZTRFM can further customize the machine with manual spacer adjustment, interchangeable tooling, or automatic size adjustment. Consequently, one production line can support a broader product range and help reduce equipment investment.
Applications of C Purlins
C purlins serve a wide range of structural and industrial applications. In steel construction, they commonly support roofing and wall panels in factories, warehouses, workshops, agricultural buildings, and commercial structures.
They also work well in industrial projects where lightweight yet strong cold-formed steel components can simplify transportation and installation. Furthermore, C-shaped profiles can be used in structural frames, solar mounting applications, equipment supports, and other fabricated steel systems.
Because manufacturers can customize the width, web height, flange dimensions, thickness, hole pattern, and cutting length, the finished purlins can adapt to different engineering requirements.
Customized C Purlin Roll Forming Machine
Every C purlin project has different production requirements. Therefore, ZTRFM does not limit customers to a single standard machine configuration. Instead, we can design the production line around your C purlin drawings, steel thickness, profile dimensions, punching requirements, production speed, and target output.
If your project requires both C and Z profiles, ZTRFM can also provide a CZ Purlin Roll Forming Machine with adjustable tooling and size-change solutions. For high-volume production, we can optimize the forming stations, drive system, punching configuration, and automation level to improve overall productivity.
Send us your C purlin profile drawing and material specifications, and our technical team can recommend a suitable C Purlin Roll Forming Machine configuration for your production line.
Other Models Available
Beyond the C/Z/U/W Purlin Roll Forming Machine, ZTRFM also provides a complete range of specialized cold roll forming solutions for different open-section steel profiles. Each machine is designed according to specific structural requirements, material thickness, and production applications.
From standard C and Z purlins to customized structural profiles, ZTRFM engineers develop reliable roll forming equipment with flexible configurations, including automatic size adjustment, punching systems, hydraulic cutting, and customized forming solutions. You can explore the detailed specifications, applications, and technical options of each model through the related product pages.
C Purlin Roll Forming Machine
The C Purlin Roll Forming Machine is specially developed for manufacturing C-shaped steel purlins used in modern steel structures. The machine continuously forms galvanized steel or carbon steel coils into accurate C profiles through multiple forming stations.
C purlins are widely applied as wall supports, roof supports, floor beams, and light steel framing components. ZTRFM provides automatic and customized C purlin production lines according to customers’ profile drawings, material requirements, and production capacity.
The Z Purlin Roll Forming Machine is designed for producing Z-shaped steel purlins with excellent strength and connection performance. Due to its convenient overlapping structure, Z purlins are especially suitable for long-span roofing systems and large steel buildings.
This machine can be equipped with punching units, automatic cutting systems, and customized size adjustment functions to meet different construction requirements. ZTRFM offers professional solutions for manufacturers requiring stable and efficient Z purlin production.
L Angle Roll Forming Machine
These L-shaped sections are commonly used for ceiling grid connections, wall and column finishing, edge protection, and various trimming applications. ZTRFM provides customized roll forming solutions according to profile dimensions and material specifications.
W Section Roll Forming Machine
The W Section Roll Forming Machine produces W-shaped steel profiles designed for special structural applications. These profiles provide excellent strength and stability, making them suitable for load-bearing roof systems and other steel framework projects.
Omega Section Roll Forming Machine
The Omega Section Roll Forming Machine produces Ω-shaped steel profiles, also known as top hat sections, which provide excellent strength-to-weight performance.
Omega profiles are commonly used in applications requiring higher structural performance, such as roofing systems, industrial frameworks, and special load-bearing structures. ZTRFM offers high-precision forming solutions for different thickness ranges and profile designs.
U Channel Roll Forming Machine
The U Channel Roll Forming Machine produces U-shaped steel channels with high dimensional accuracy and stable performance. These profiles are commonly used in non-load-bearing partition systems, ceiling frameworks, interior construction, and supporting structures.
Custom Profile Cold Roll Forming Machine
For projects requiring special steel profiles, ZTRFM provides Custom Profile Cold Roll Forming Machines based on customer drawings and technical requirements.
With advanced technology, experienced engineers, and professional global service, ZTRFM provides reliable C/Z Purlin Roll Forming Machines that help customers improve production efficiency, reduce labor costs, and achieve long-term business growth.
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