C U Omega Shape Forming Machine 

The solar industry is not monolithic. A ground-mount system for a utility farm in the desert differs vastly from a rooftop system on a commercial warehouse. Furthermore, the rise of solar trackers—which move panels to follow the sun—requires C purlins with complex, asymmetrical hole patterns that change every few feet. To succeed in this diverse market, a roll former must offer unparalleled customization and flexibility.

The Challenge of Dynamic Design

Gone are the days when solar structures used simple, uniform C channels. Today’s engineering demands:

• Varying Hole Patterns: Holes for module clamps, grounding lugs, and tracker mechanisms are often staggered and located on the web, flanges, or both.

• Material Grades: High-strength steel (up to 600 MPa) to withstand high wind loads.

• Length Variations: Profiles ranging from 4 meters for commercial rooftops to 14 meters for utility-scale trackers.

To handle this, your purlin roll former must be more than a simple bending machine; it must be a flexible manufacturing cell.

Key Flexible Features for C U Omega Shape Forming Machine 

1. Advanced PLC Controller with Recipe Management
The brain of the C U Omega roll shaping machine is the PLC controller. For a manufacturer serving the solar structure industry, the PLC should support a database of hundreds of “recipes.”

• Instant Changeovers: When a project requires a change from a 10-foot purlin for a fixed-tilt array to a 12-foot purlin for a tracker, the operator simply selects the recipe. The PLC automatically adjusts the hydraulic cutting length and the pre-punching station positions.

• Hole Pattern Synchronization: The PLC synchronizes the servo-driven punching units with the speed of the C profile roll former. This allows for “on-the-fly” punching, where the machine can punch a hole every 150mm on the left flange for 2 meters, then switch to holes on the web for the next 3 meters—all in a single continuous run.

2. The Versatility of Pre-Punching and Post Punching
Having the ability to switch between pre-punching or post punch modes within the same line offers ultimate flexibility.

• Pre-Punching for Speed: When running standard, high-volume orders, pre-punching offers maximum speed and die life.

• Post Punching for Custom Jobs: For complex solar tracker arms where hole patterns are asymmetrical and based on the formed profile’s twist, a post-punching station (often a hydraulic press with movable dies) allows for adjustments that are impossible on a flat strip.

3. Roll Forming for High-Strength Steel
Not all roll formers can handle the advanced materials used in solar structures. Our Cee and U Purlin Roll Forming Machine is engineered with heavy-duty gearboxes and hardened rollers that prevent “spring back”—a common issue where the steel tries to return to its flat shape. This ensures the final C profile maintains a perfect 90-degree angle, which is critical for the structural integrity of the solar array.

Hydraulic Cutting: Precision at the End of the Line

The final step in customization is the cut. While mechanical saws leave burrs and distortion, our hydraulic cutting system provides a clean, square cut.

• Bowed Cuts: Hydraulic cutting eliminates the “bowed” cut often seen in mechanical shears, ensuring that the end of the purlin fits perfectly against the next connection piece.

• Angle Cuts: For advanced solar structures, the hydraulic system can be configured to cut specific angles (e.g., 45 degrees) to accommodate corner connections, further reducing welding or secondary fabrication.

Contact: Elise
Tel:+86-155 3281 7581
Email: elise@tgrfm.cn