| After-sales Service: | 24/7 |
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| Type: | Rolling Machine |
| Forging Forming Method: | Free Forging |
| Power Source: | Hydraulic Pressure |
| Feature: | Automation |
| Certification: | ISO9001 |
| Customization: |
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Plate Roll Bending Machine, Rolling Pipe Bending Machine, Sheet Bending Roller
The structure of the CNC roller bender is a four-roller type. The upper roller is the main drive, and the output gear of the reducer meshes with the upper gear to provide torque for the rolled plate; the lower roller moves vertically and passes through the hydraulic cylinder. Hydraulic oil is obtained by acting on the piston to clamp the plate, which is hydraulic transmission; there are side rollers on both sides of the lower roller and tilting along the guide rail of the frame, which is driven by the screw nut, worm gear and worm. The design of the overload protection system of the rolling machine is very accurate, it can maintain the equipment well and reduce the occurrence of equipment failures.
This Advanced Design Has The Following Benefits Such As:
(1) Plate is introduced horizontally (and not tilted as on the three roll double pinch)
(2) Plate is squared instantly against the back roll (reducing risk of a mis-matched end condition of the part)
(3) Requires space only on one side of the machine, where the plate is introduced to the machine
(4) Greatly reduced flat-end (due to better pre-bending) thanks to the clamping roll that can take the edge to the precise tangent points of the top and bottom rolls
(5) It is the fastest machine to roll a can, as it would require only one position for each side bending roll
(6) The entire cylinder can be finished in only one pass (within a suitable capacity), including pre-bending of the edges
* No need to pre-bend both ends before starting to roll the entire cylinder, as required with a 3 roll
* No need to remove, turn and re-insert the plate as on a 3 roll single pinch
(7) The four roll could be even 50-80% faster and more productive than any style three roll
(8) The most suitable for CNC operation, as the plate is under a better control, clamped between the top and bottom rolls, until the part is finished
The Four Roll Design Is Recommend For Clients Who:
1. Wish to operate through CNC, with less dependence on operator skills
2. Look for more steady quality of the rolled products.
3. Look for high productivity, and increased profits.
4. Require good accuracy and quality improvements.
5. Need handling equipment for larger plates, who are also concerned for production or safety reasons.
6. Are new to plate rolling, as it is the easiest plate roll to operate. 
| MODEL | W12-30x2500 | |
| Number of rolls | 4 | |
| Maximum width of bending plate | 2500mm | |
| The length of working roller | 2600mm | |
| Maximum thickness of bending plate | 30mm | |
| Maximum thickness of pre-bending | 25mm | |
| Top roll diameter | Ф410mm | |
| Bottom roll diameter | Ф390mm | |
| Side rolls diameter | Ф350mm | |
| Yield strength of plate | 245 Mpa | |
| Smallest possible diameter | 800mm | |
| Plate Bending Speed | 4m/min | |
| Motor Power | 22kw | |
| Weight | 20000kgs | |
| Dimension | 5000x2000x2500mm | |
| Voltage and frequency | 380V, 50HZ or customer request | |
| Color | White + Red or customer request | |
| Remark: We can manufacture machine according to customer special requests. | ||
1. Sheet rolling process allows operations such as punching, welding, and notching to be performed in-line. It provides an excellent pre-bending function on the processed components making the process more efficient.
2. The rollers have the ability to process a whole cylindrical metal body by rolling once.
3. Sheet rolling processes can work with a variety of metal sheets across a range of strength, corrosion-resistance, conductivity, and thickness. Practically, almost any material can be rolled as per the desired application.
4. Rolling allows for a high degree of flexibility. The components obtained from a pair of rollers can be of varying length or shape as required. In addition to this, the process gives better dimensional control and repeatability, minimizing any problems due to tolerance build-up of metal material.
1. Extremely robust structure machined with CNC control machines
2. Two hydraulic motors coupled to planetary gear units for the rotation of the two central rolls
3. Hardened rolls / Hardened and polished rolls
4. Separate control desk on wheels
5. Hydraulic opening of shoulder by control desk
6. Hydraulic inclination of lateral rolls for conical bending directly from control desk
7. Numerical control for automatic production
8. Movements of rolls on swing guides to reduce flat part
9. It can be used to roll tubes, tube segments, rounded boxes, ovals or other shapes.
10. Rolls rotation on high resistance selfaligning bearings
11. Rolls Cambering: know how variable cambering to avoid reel and barrel effect to increase bending performance and precision
(1) What is roller bending machine?
Rolling is the process of shaping metals into a finished or semi-finished form upon the application of rollers. The sheet metal is passed between one or more pairs of rollers to reduce and maintain the thickness of the material. Temperature plays a key role in the process as rolling can be done both hot or cold.
A gap is maintained between the pair of rollers running in the opposite direction in which the metal sheet of specific thickness is passed. Upon complete application, the metal sheet is increased in length (absolute elongation) and molded-in specific shape as per the requirement.
(2) What are the specific categories of your products?
We have main 3 kinds of roll bending machine, Mechanical 3 roller, hydraulic 3 roller with prebending and hydraulic 4 roller with pre bending.
(3) What are the specifications and styles of existing products?
We have light and heavy types rolling machine, thickness from 6-150mm, width 1000-12000mm, and we can make special machine as per customer special request, for example, smaller rolling diameter, special application like oil pipe, wind tower, loader etc.
Typical applications of rolled components include:
Municipal water towers
Fuel tank farms
Fuel tanker trucks
Vacuum truck tanks
Heat exchangers and pressure vessels
Wheels for off-road tree harvesting equipment
Towers for wind turbines
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