Our U purlin roll forming machine utilizes a multi-roller cold-forming process to ensure cross-sectional precision. Equipped with a PLC control system, the machine enables fixed-length cutting, automatic punching, and self-diagnosis of faults; hydraulic shearing and in-line punching are performed synchronously, thereby reducing the need for subsequent processing steps. The forming rollers undergo quenching and chrome plating, ensuring wear resistance, corrosion resistance, and stable operation.U purlin roll forming machine is suitable for processing common steel coil materials, such as galvanized and color-coated coils, and is primarily used to manufacture U-shaped purlins for steel-structure workshops and related applications.
Specifications
| Raw Material Thickness | 0.8mm - 3.0mm. |
| Spindle Diameter | Φ50mm - Φ100mm. |
| Main Motor Power | 5.5KW - 25KW. |
| Cutting Die Material | Cr12 / Cr15. |
| Control System | PLC + Touch Screen. |
Product Features
Multi-Roller Cold-Forming Process
U purlin roll forming machine employs a 12–18 stage progressive cold-forming process. Deformation is evenly distributed across each roller station, ensuring an accurate U-shaped profile and consistent dimensions, while leaving the sheet surface free of significant indentations or scratches.
Synchronous Hydraulic Punching and Shearing System
Punching and shearing are driven by a single hydraulic station and performed synchronously. Purlins with holes are formed in a single pass while the material is in motion, eliminating the need for secondary processing. Punching dies and shear blades are made of alloy steel with a hardness of HRC 58–62, ensuring durability and clean, smooth cuts.
Intelligent PLC Control and Self-Diagnosis
Features integrated fixed-length cutting, automatic punching, and fault self-diagnosis. The system automatically halts and displays error codes during malfunctions. Cutting length precision is maintained within ±1.5 mm, meeting consistency requirements for mass production.
Highly Durable Rollers with Chrome Plating
Rollers undergo integral quenching followed by hard-chrome plating, resulting in high surface hardness and corrosion resistance that prevents surface scratching during long-term use. Under normal production conditions, the core rollers can operate continuously for 2–3 years without re-plating or major overhauls, thereby reducing maintenance frequency and downtime costs.
Applications
Steel Structure Buildings: Used for purlins and wall girts in industrial workshops, warehouses, and stadiums, providing structural support for roof and wall panels.
Agricultural and Civil Facilities: Suitable for greenhouse arch frames, carport support structures, and base components for roof tile frameworks.
Storage Racking: Used to manufacture uprights for supermarket shelves and support components for warehouse racking beams.
Engineering Support: Arch support structures for underground caverns and tunnels.
Packaging & Logistics
Standard Export Packaging
Equipment is secured on iron pallets and wrapped in moisture-proof, anti-rust film; critical components are reinforced with fumigation-free wooden or plywood crates to meet long-distance sea and land transport requirements.
Container Loading
40ft High Cube or Open Top containers are prioritized based on equipment dimensions and the destination. Pre-loading plans and photos are provided for confirmation prior to loading to ensure optimal space utilization and impact protection.
Lead Time
For standard configurations, production and shipment are typically completed within 20–30 days of receiving the deposit and confirming drawings. Actual lead times depend on customization complexity and current factory order volume.
After-Sales Service
12-month warranty on the entire machine (excluding wear parts); lifetime technical consultation and spare parts supply.
Remote technical support available with responses within 24 hours via video call, email, WhatsApp, etc., to assist with commissioning and troubleshooting.
Detailed operation manuals, maintenance manuals, and installation videos provided in both Chinese and English to facilitate independent operation.
On-site support available; engineers can be dispatched for installation and commissioning upon agreement.
FAQ
Q: Can the U purlin roll forming machine be customized for special cross-sections or hole patterns based on my drawings? What is the customization lead time?
A: Yes. We offer customization based on drawings, including non-standard web heights, flange angles, and special hole patterns (and hole layouts). The development cycle for roller molds is typically 15–25 days.
Q: What are the core wear parts of the equipment? Are spare parts included with the shipment?
A: Key wear parts include shear blades, punching dies, hydraulic seals, sensors, etc. A standard spare parts kit can be provided with the shipment upon request to ensure uninterrupted production.
Q: Can the voltage and frequency be customized to meet my country's standards?
A: Yes. While the standard is 380V/50Hz, we can customize voltage (e.g., 220V, 415V, 440V) and frequency (50Hz or 60Hz) and provide support for compliance standards such as CE.
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