WIND ENERGY ROLLING SOLUTIONS

DAVI – Leading Solutions for the Wind Energy Industry

With more than 300 references worldwide, DAVI is a proven partner trusted by the industry’s top players, offering flexible, tailor-made solutions adapted to unique customer layouts and production needs.:

References & Market Share: Over 300 worldwide references, holding approximately 70% of the plate rolls market in the wind energy sector.
R&D & Customer Support: The only company in the industry with an exclusive team fully dedicated to Research & Development and Customer Support.
Technical Innovation: Offers state-of-the-art, customized solutions driven by a specialized R&D team.
Cost Efficiency: Highly cost-effective over a 10-year period (TCO) by reducing expenses related to spare parts, maintenance, and downtime compared to low-cost manufacturers.

DAVI’s dedicated Customer Support team provides unparalleled quality and highly responsive services, always ready to assist you for the ultimate success of your projects.

Wind Energy Solutions

1. Fixed-Bottom Foundations

This is the most widely used and essential foundation manufacturing solution for offshore wind power, where the turbines are securely fixed by driving supports deep into the seabed.

2. Floating Foundations

This is a next-generation wind power solution designed for deep offshore waters where fixed foundations cannot be built. It requires advanced technology to stably manufacture massive floating structures that stay afloat.

3. Onshore Towers

This is a highly efficient solution for manufacturing the central towers that stably support wind turbines on land.

4. Offshore Towers

This tower solution is specifically designed for large-scale offshore wind turbines, built to withstand harsh ocean winds and salty marine environments. It requires specialized manufacturing technology to produce steel plates that are much taller and thicker than those used on land.

1. Fixed-Bottom Foundations

Large-Scale Monopile Manufacturing Support: Fully equipped to manufacture ultra-large structures typically deployed at water depths of 50–60m, with diameters of 7–15m, steel plate thicknesses of 50–170mm, maximum lengths of 80–120m, and weights reaching 3,000–4,000 tons.
Core Connections & Jacket Substructures: Offering precision manufacturing of Transition Pieces (TP; diameters 6–12m, thickness 150–170mm) connecting monopiles to towers, as well as tripods and specialized pipe components (Legs, Braces) for jacket foundations.
Variable Axis 3-Roll (MAV 3-Roll) System: A single, versatile system capable of processing everything from narrow-diameter jacket pipes to thick monopiles. It delivers unmatched flexibility and performance in the re-rolling process, perfectly correcting post-welding distortion back into a true circle.
Advanced Cone Forming Capabilities: Secured advanced cone-shaping capabilities by integrating the SMART LINE automatic rotating feed system, designed specifically for machining precise 10–16 degree taper angles.
Versatile Fixed Foundation Solutions: Supporting a wide range of fixed-bottom foundation types through the comprehensive production of monopiles, transition pieces (TP), tripods, and jacket legs/braces.

2. Floating Foundations

Support for Next-Generation Floating Foundations: Full manufacturing capability for a diversifying range of substructure types, seamlessly accommodating varying technical designs and complexities including Semi-submersibles, Spar-buoys, and Tension Leg Platforms (TLPs).
Environment-Specific Customized Designs: Offering a comprehensive scope of design solutions tailored to specific wave and wind conditions—ranging from semi-submerged designs that optimize buoyancy and balance, to tethered systems anchored tightly to the seabed with steel cables to minimize motion.
Large-Scale Segment Forming & Fabrication: Precision shaping and forming of massive, slender cylindrical structures that support floating offshore wind towers, engineered with exceptional roundness and dimensional accuracy.
Tailored Horizontal & Vertical Rolling Processes: Delivering optimized fabrication workflows by strategically pairing vertical and horizontal rolling methods based on the specific diameter, thickness, and structural characteristics of each floating platform.
Flawless Execution of Open Sections & Full Cans: Ensuring zero-defect manufacturing across all specifications, from individual semi-cylindrical parts (Open Sections) required for final assembly to fully rolled, large-diameter cylinders (Full Cans).

3. Onshore Towers

Customized Onshore Tower Section Forming: Manufacturing tower sections with heights of 80–100m, diameters of 5–7m, and steel plate thicknesses up to 80–100mm. Since onshore environmental impacts are relatively less severe than offshore, we optimize material footprints while ensuring robust durability.
Streamlined Single & Simple Section Fabrication: Delivering rapid forming of single-section tower cylinders designed for fast and efficient assembly on stable onshore ground.
Integrated One-Stop Factory Process: Seamlessly unified into a comprehensive, specialized tower production line that spans from steel plate cutting and rolling to longitudinal welding, flange fitment, and segment joining.
High Productivity Line for Mass Production: Optimized for high-volume onshore tower factories by supporting fast, safe pre-bending lifting and feeding, while precisely forming complex conical shapes through an incremental adjustment method.
iRoll eXtreme AI Control: Featuring a high-resolution touchscreen and a live 3D interface for smartphone-like intuitive operation, powered by proprietary AI technology to easily generate precision forming control programs.

4. Offshore Towers

Tailored Offshore Tower Section Forming: Manufacturing ultra-large tower sections with heights up to 120m and diameters of 6–12m, specifically engineered to withstand powerful and consistent offshore wind forces.
High-Durability Heavy Plate Processing: High-precision forming of heavy-duty steel plates with thicknesses of 100–120mm, built to endure harsh ocean gales and salt-induced corrosion.
Integrated One-Stop Automated Factory Workflow: Fully integrated into a comprehensive, high-volume mass production line dedicated to offshore towers—seamlessly linking everything from plate cutting and rolling to longitudinal welding, flange fitment, large cylinder assembly, and coating/painting.
Smart Line for Seamless Conical Forming: Representing the pinnacle of wind tower manufacturing technology, this system enables continuous plate feeding to smoothly and flawlessly form tapered, conical segments. It offers the industry's fastest production speeds alongside exceptional finished product quality.
Automated Laser Measurement & AI Integration: Real-time tracking and logging of tolerances during extra-large rolling operations, achieving 100% full integration with our proprietary iRoll eXtreme AI control system for flawless automation.