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PR4-1240 4 Roll Bending Machine

PR4 1240 4 roll bending machine, capable of handling 12mm thickness, 4000mm width plates, and achieving a minimum plate rolling diameter of 800mm, stands as a pinnacle of precision and power in the realm of heavy-duty metal fabrication. Its exceptional capabilities ensure precision, safety, and efficiency in shaping metal plates into plate rolling for various industrial applications.

4-Roll Plate Rolling Machine: Stainless Steel Hot Tub Liner Automatic Production Line

The PR4 1240 4-roll plate rolling machine engineered to handle a rolling thickness of 12mm, a plate width of 4000mm, and achieve a minimum plate rolling diameter of 800mm is a highly specialized and powerful equipment tailored for metal fabrication.

This robust PR4 1240 plate rolling machine is designed to accommodate substantial plate dimensions, enabling the precise shaping of thick metal sheets into plate rolling with exceptional accuracy and efficiency. The four-roll configuration ensures superior control and uniformity throughout the rolling process. By utilizing multiple rolls, the machine gradually forms the wide plate into a plate rolling while maintaining consistent thickness and width, meeting the stringent 800mm plate rolling diameter requirement.

Exciting Plate Roll Bending Process of BIT’s 4-Roll Plate Bending Machine【Four Roll Plate Roller】

Advanced cnc control systems and precision mechanisms integrated into the PR4 1240 4 roll bending machine allow for meticulous adjustments during operation. This ensures even pressure distribution across the plate’s width and controlled tension throughout the rolling procedure, resulting in high-quality plate rolling with precise dimensions.

The PR4 1240 4 roll bending machine’s substantial power and efficiency complement its design, providing the necessary force to drive the rolls effectively. Its high efficiency not only aids in achieving accurate plate rolling but also maximizes productivity while handling large-scale plate rolling tasks.

Main Parameters

ModelPR4 1240
TypeCNC 4 Roll
Rolling Plate Thickness 12 W4000 Φ800 (σ≤Q245A)
Pre-bending Thickness  10 W4000 Φ800 (σ≤Q245A)
Max Rolling Width4000mm
Roll Working Length4050mm
Unbend Flat≤2 times plate thickness
Plate Yield Limit245MPa
Top Roll DiaΦ350mm
Lower Roll DiaΦ330mm
Side Roll DiaΦ290mm
Drive MethodsHydraulic motor + planetary gear box
Rolling Speedabout 4.5 m/min
Hydraulic Pressure20Mpa
Main Drive15 KW
Voltage400
Frequency50 Hz
Digital Control With IndicationYes
Electric centering platformOptional
Cone Bending DeviceOptional
Hydraulic CNC Synchronous Lower RollerOptional
Hydraulic Deflection CompensationOptional
Vertical Hydraulic Support 3m/4tOptional
Side Support SystemOptional
Feeding Table – L = 3 MetersOptional
Oil CoolingOptional
Oil HeatingOptional
Automatic LubricationOptional

1/2 plate roller

4 roll bending machine
4 roll bending machine


A “1/2 plate roller” refers to a plate rolling machine specifically engineered to handle materials with a thickness of half an inch, which is approximately 12.7 millimeters. These plate rollers are heavy-duty machines used in metalworking and fabrication industries to bend or shape metal plates to required specifications.

The 1/2 plate roller is designed to handle thicker materials, providing the necessary mechanisms, rollers, and controls to precisely bend or curve metal sheets of this substantial thickness. These machines come in various configurations, including three-roll and four-roll designs, each offering specific advantages for different bending needs.

Capable of accommodating plates with widths varying from smaller dimensions to several feet, these machines play a crucial role in manufacturing diverse components across industries such as construction, shipbuilding, energy, and more.

The design of these machines typically involves robust construction, advanced control systems, and safety features to ensure efficient and safe operation. Operators rely on these machines to produce curved or cylindrical components with precision while meeting specific thickness requirements.

The 1/2 plate roller serves as a vital tool in metal fabrication processes, enabling the accurate shaping and bending of thicker metal plates. Its durability, precision, and ability to handle substantial materials make it an essential asset for creating various components used in heavy-duty industrial applications.