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A 3-roll plate bending machine is a heavy-duty metal forming machine that bends metal plates into cylindrical, conical, or custom curved shapes using three rotating rollers arranged in a pyramid configuration.
The plate is placed between two lower rollers and one upper roller. The hydraulic system adjusts the upper roller's position, and the rollers rotate to bend the plate. Multiple passes gradually increase the curve radius until the desired diameter is achieved.
If you are a fabricator, equipment manufacturer, project engineer, or industrial producer—and if you are seeking precise heavy plate forming solutions tailored to your production requirements—we can provide customized 3-roll bending systems to match your specifications, capacity needs, and budget. From single-series standard machines to specialized wind tower and marine configurations, EZHONG delivers the right solution for your application.
Select the series that matches your production requirements — from general hydraulic CNC to specialized wind tower and marine configurations
Choose between our hydraulic CNC variable center distance, wind tower specialized, and marine plate bending machine series
| Feature | Hydraulic CNC Variable Center Distance | Wind Tower Plate Bending Machine | Marine Plate Bending Machine |
|---|---|---|---|
| Model Series | EZW11S / EZW11X / EZW115 | EZW11X-WT | 3R-Marine |
| Plate Thickness Range | 8–360mm | 30–120mm | 60–200mm |
| Plate Width Range | 2000–3200mm | 2500–4500mm | 12000–21000mm |
| Max Capacity | 8000 tons | Variable | 4500 tons |
| Core Technology | Hydraulic VCD control | Tapered shell technology | Smith license technology |
| Primary Applications | Pressure vessels, boilers, pipes | Wind turbine towers | Ship hulls, structural components |
| Production Speed | Standard | 20–30 min/tower section | Standard |
| Details | View Details → | View Details → | View Details → |
In the 1980s, EZHONG invented China's first fully hydraulic VCD 3-roll plate bending machine, breaking foreign technology monopolies. VCD allows independent adjustment of the upper roller in both horizontal and vertical directions.
Dual-drive, tri-drive, or quad-drive configurations based on plate thickness and material strength. Optimal power distribution ensures consistent bending quality across the full specification range.
The EZW11S-360×3200 represents the world's largest single 3-roll plate bending machine with 8000-ton max force and 360mm plate thickness capacity. Only EZHONG manufactures at this scale.
NC/CNC options with remote diagnostics capability. Real-time monitoring of roller position, pressure, and material deformation. Automatic compensation for springback and material variations.
Rolling 30–120mm thick tapered tower sections at 20–30 min/piece.
EZHONG serves 70%+ of China's top pressure vessel makers.
Rolling 60–200mm ship hull plates up to 21m length.
Rolling 50–200mm thick pipe walls for offshore and high-pressure applications.
Rolling TS16949-certified components for nuclear and aerospace.
Rolling 60–150mm thick bridge beams and architectural steel.
3-roll machines are ideal for thick plates (≥20mm) and large-diameter coils. 4-roll machines are ideal for medium plates (6–50mm) and precision work. For plates ≥20mm, 3-roll is recommended.
Variable center distance (VCD) means the upper roller can move independently in both horizontal and vertical directions, rather than being fixed. This enables 40% better pre-bending, tighter minimum rolling diameters, and 30% foundation cost savings.
360mm for the EZW11S-360×3200 model — the world's maximum for a 3-roll bending machine.
Yes, with optional hot-rolling package for temperatures up to 300°C.
Standard models: 4–6 months. Wind tower specialized: 5–7 months. Marine models: 6–8 months.
Yes, including on-site installation, commissioning, and 3–5 day operator training.
