Our fully automatic C/U purlin roll forming machine utilizes stepless adjustment technology, allowing for a wide range of web height adjustments. It enables seamless switching between C- and U-profiles without the need for mold changes, ensuring quick and convenient operation. Equipped with a PLC control system and a hydraulic punching unit, the machine performs punching operations during the forming process, delivering high forming speeds and precise cutting accuracy. The product is ideal for manufacturing purlins used in industrial workshops, photovoltaic (PV) mounting structures, and similar applications.
Specifications
| Processing specifications | Web width 80-300mm; Flange height 30-80mm; Small edge 10-25mm. |
| Applicable plate thickness | 1.0-3.0mm (Q195/Q235/Q355). |
| Forming speed | 10-25 meters per minute. |
| Forming frame | 16-18 sets, portal frame structure. |
| Main motor power | 18.5-22KW; 1-3-4 hydraulic station power 7.5KW. |
Product Features
Flexible Stepless Adjustment System
The machine allows for independent adjustment of web, flange, and lip dimensions within an 80–300mm range, maintaining precision within ±1mm to easily meet diverse customization requirements.
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Shared Shearing Die Design
C and U purlins share the same shearing die set, eliminating the need for die changes when switching profiles. Profile changeovers typically take 2–4 minutes, saving time and reducing tooling costs.
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Highly Durable Core Components
Forming rollers are made from bearing steel or die steel (HRC 58–62) with a chrome-plated finish. Main shafts undergo normalizing and chrome plating, offering excellent wear resistance and fatigue strength to ensure long-term, stable operation.
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Flexible Punching System
The machine supports various hole types-including single, double, and elliptical holes-with punching positions adjustable along the length of the workpiece to meet diverse connection requirements.
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Applications
C/U-profile components for photovoltaic mounting systems
Structural framework components for metal-frame buildings
Roof and wall purlins for steel-structure factories and logistics warehouses
Agricultural greenhouse frames, automated parking garage structures, highway guardrail reinforcements, etc.
Customization Services
Profile Cross-section Customization: We design specialized roller dies based on customer-provided drawings or cross-section samples, enabling precise forming of non-standard web heights, flange widths, lip lengths, and angles.
Material Thickness Compatibility: Roll gaps, forming passes, and power configurations are adjusted based on the client's standard coil thicknesses (e.g., 1.5mm, 2.0mm, 2.5mm, 3.0mm) to ensure stable forming without damaging the sheet surface.
Shearing Options: Hydraulic or pneumatic shearing methods are available, with blade options for straight or angled cuts to meet specific end-face requirements.
Customizable Automation Levels: Configurations range from semi-automatic standalone units to fully automated integrated lines, including manual or hydraulic uncoilers, leveling units, feeding mechanisms, automatic collection racks, and finished product stacking systems.
Customizable Control Systems: Standard configuration features a PLC and touchscreen (supporting Chinese/English interfaces), with optional upgrades for remote monitoring, production statistics, and fault diagnosis modules; specific brands of electrical components (e.g., Siemens, Schneider) can be selected upon request.
Customizable Dimensions and Layout: The production line layout is optimized based on the client's workshop dimensions, offering straight-line or L-shaped configurations; equipment height can be adjusted to match the infeed platform level.
Customizable Finish and Packaging: Equipment can be painted in the client's specified color; export packaging options include fumigation-free wooden crates or iron pallets with stretch wrap to withstand long-distance ocean transport.
Quality Control
Raw Material Inspection
Spot checks on material composition and dimensions are conducted for all incoming steel, structural sections, and outsourced parts to ensure compliance with procurement standards and prevent substandard materials from entering production.
01
Roller Hardness Testing
Hardness testers are used on every batch of rollers (requiring HRC 58–62) to ensure wear resistance and service life; test records are documented.
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Assembly Inspection
During frame welding, roller installation, and the assembly of punching and shearing mechanisms, parameters such as concentricity, parallelism, and clearance tolerances are checked item-by-item to ensure smooth operation and precise positioning of moving parts.
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Trial Production
Following assembly, continuous trial production is conducted using client-specified or standard-specification coils to verify forming quality, punching precision, and cut-length consistency; finished product samples are retained.
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Electrical System Testing
Powered simulation tests are conducted on the PLC control cabinet, touchscreen, sensors, and hydraulic solenoid valves to verify program logic, safety interlocks, and fault alarm functions, ensuring the electrical system's stability and reliability.
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FAQ
Q: Is a test run performed before shipment? Can a video of the test run be provided?
A: Each machine undergoes continuous no-load and loaded test runs before leaving the factory; operation videos and photos of finished samples are recorded for customer confirmation. A detailed commissioning report is also provided.
Q: What materials can the Fully Automatic C/U Purlin Roll Forming Machine process? What is the material thickness range?
A: The equipment is suitable for common steel coil materials such as galvanized coils, color-coated coils, and cold-rolled coils. Material thickness typically ranges from 1.5 mm to 3.5 mm, though this range can be customized according to specific customer requirements.
Q: What are the key wear parts? Are spare parts included with the shipment?
A: Key wear parts include punching dies, shearing blades, and PLC modules. We recommend a spare parts list based on the equipment configuration and can supply a set of common spare parts with the shipment upon request to ensure uninterrupted production.
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