The Trapezoidal Double-Layer Roll Forming Line: Precision & Flexibility for Demanding Roofing Production

In the competitive world of metal roofing manufacturing, efficiency and versatility are paramount. The Trapezoidal Double-Layer Roll Forming Line represents a significant technological leap, specifically engineered for high-volume production of the popular trapezoidal profile roof panels across two distinct product lines, all within a single, integrated system. This advanced roll forming line eliminates the traditional bottleneck of single-profile production, offering unparalleled flexibility for manufacturers catering to diverse project requirements or managing separate product brands.

Roll Forming Process Workflow Diagram

More parameters

Machine Introduction & Core Innovation:

At its heart, this roll forming line is a sophisticated orchestration of precision engineering. Its defining feature is the dual, independent forming stations stacked vertically – an upper and a lower roll forming line. Each station is a self-contained roll forming line equipped with its own set of meticulously machined forming rolls, specifically designed to impart the classic trapezoidal shape with consistent accuracy, sharp bends, and optimal structural integrity. Crucially, these two roll forming line stations operate independently. While the machine houses both lines physically together for footprint efficiency, production runs are exclusive – only one roll forming line (upper or lower) is active at any given time. This design allows seamless switching between two completely different trapezoidal panel profiles (varying in height, width, flute count, or even metal gauge within limits) without the lengthy changeover times associated with traditional single roll forming line setups. Key upstream components include a heavy-duty decoiler and precision levelling system, feeding pristine coil stock into the active roll forming line. Downstream, a high-speed cutoff unit, driven by the roll forming line's encoder, ensures accurate, burr-free cuts. PLC control is central, managing the entire roll forming line process, from feed speed synchronization to precise cut length control for the active station.

Our photos with our customers

Why Choose Us?

About us

We, Tianjin Haixing a professional cold roof roll forming machine manufacturer, we have been focusing on this field for 28 years and support ODM/OEM, our equipment includes roof roll forming machine, floor deck roll forming machine, automatic decoler, shutter door roll forming machine, light keel roll forming machine, purlin machine, cable tray punch machine, and other related construction equipment. We are cooperating with 150+ countries & 5,000+ Partners.

FAQ

Q: Are you a trading company or a factory?
A: We are a factory with a professional production team and service consciousness, just for exporting various types of cold roll forming machines.

Q: Can a machine produce only one style of panel profile?
A: Not complete. Suitable for a Trapezoidal Double Layer Roll Forming Line. It can produce more than 3 panels.

Q: How long does it take to manufacture the machine?
A: In general, the Trapezoidal Double Layer Roll Forming Line be completed in 20 to 45 business days. But if you need machines urgently, we can save you time.

Q: Is there quality control when producing the production line?
A: Yes, we have a team that is responsible for quality control, including the laying of raw materials, processing rolls and other parts, processing, assembly, testing, and packaging on the roll surface and shaft.

Q: What can you do if the machine breaks?
A: Our machine is warranted for 24 months. If the damaged part cannot be repaired, we can send a new part to replace the damaged part, but you will need to pay the courier fee yourself. If the warranty period is exceeded, we can resolve the issue through negotiation, and we provide technical support for the entire life cycle of the device.