Plate Rolling Machine

working principle:
1. In the W11 series Symmetrical plate rolling machine, the upper roller of the W11 series Symmetrical plate rolling machine uses the hydraulic oil in the hydraulic cylinder to act on the piston to move vertically at the central symmetrical position of the two lower rollers. Provide torque for rolled sheets. The flat plastic metal plate of the bending machine passes between the three working rolls (two lower rolls and one upper roll) of the bending machine. With the help of the lower pressure of the upper roll and the rotation of the lower roll, the metal plate is passed through multiple passes. Continuous bending (the inner layer is compressed and deformed, the middle layer is unchanged, and the outer layer is stretched and deformed) to produce permanent plastic deformation and roll into the required cylinder, cone or part of them. The disadvantage of this hydraulic three-roller bending machine is that the end of the plate needs to be pre-bent with the help of other equipment. This rolling machine is suitable for large rolling machines with a thickness of more than 50mm. A row of fixed idlers is added under the two lower rollers to shorten the span of the two lower rollers, thereby improving the precision of the rolled workpiece and the overall performance of the machine.
2. The position of the upper roller of W12 Series Plate Bending Machine is fixed, and the lower roller moves upward linearly to clamp the steel plate. The rollers on both sides move in a straight line or arc to move closer to the roller to adjust the radius of curvature of the reel. The four-roller and three-roller rolling machines have different roller motion forms, but the working principle is the same, they both use the principle of three-point fixed circle to carry out different radii rolling. However, the pre-bending straight edge and roundness of the four-roller bending machine are better than those of the three-roller.

Types of rolling machines:
The type of plate bending machine varies depending on the field of use. From the number of rolls, it is divided into three-roller and four-roller. The three-roller is divided into symmetrical three-roller bending machine, asymmetrical three-roller bending machine, horizontal downward adjustment three-roller bending machine, W11S upper-roller universal bending machine and four-roller CNC bending machine. From the transmission point of the mechanical type and hydraulic type. In terms of the development of the plate bending machine, the upper-roller universal type is the most backward, and the four-roller CNC bending machine is the most advanced. At present, the most commonly used in the market are W11F partial Samsung plate bending machine, W11S upper-roller universal plate bending machine, W11 mechanical symmetrical plate bending machine, W12 four-roller plate bending machine.

1. The mechanical type is divided into W11F asymmetrical plate rolling machine and W11 series symmetrical plate rolling machine
Performance and characteristics of W11 series symmetrical plate rolling machine:
The structure of the machine is three-roller symmetrical type. The upper roller moves vertically at the symmetrical position of the two lower rollers. It is obtained by the transmission of the screw and screw nut. The two lower rollers rotate through the output gear of the reducer and the lower roller. The gears mesh to provide torque for the rolled sheet. The disadvantage of this machine is that the end of the plate needs to be pre-bent with other equipment.
Performance and characteristics of W11F asymmetrical plate rolling machine:
The structure of the machine is a three-roller asymmetrical type. The upper roller is the main drive, and the lower roller moves vertically to clamp the plate. The lower roller gear meshes with the upper roller gear and serves as the main drive at the same time; the side rollers are tilted and lifted. , With dual functions of pre-bending and rolling. Compact structure, convenient operation and maintenance.

2. The hydraulic type is divided into W11S upper roll universal type and W12 four-roller plate bending machine
The main features of W11S upper roll universal type: The upper roll universal bending machine adopts the upper roll lifting hydraulic drive and horizontal movement (mechanical transmission), driven by the lower roll, and the electric centralized control operating system, which can complete the prediction of both ends of the plate at one time. The work of bending and rolling cylindrical and arc-shaped workpieces can also carry out certain shaping and leveling of metal sheets. It has the effect of direct pre-bending, saving trouble and saving materials, and is equipped with NC system control to improve the degree of automation.
The main features of W12 four-roller plate rolling machine: the position of the upper roller is fixed, and the lower roller moves upward linearly to clamp the steel plate. The rollers on both sides move in a straight line or arc to move closer to the roller to adjust the radius of curvature of the roll. The four-roller and three-roller rolling machines have different roller motion forms, but the working principle is the same, they both use the principle of three-point fixed circle to carry out different radii rolling. However, the pre-bending straight edge and roundness of the four-roller bending machine are better than those of the three-roller.

How to choose the right Plate Rolling Machine?
In the current situation of many brands of rolling machine, consumers should be cautious when choosing a rolling machine. As the saying goes, "shop around and avoid being deceived", the customer's eyeball is the scale. When choosing a rolling machine, we suggest that consumers watch more than more. As a special rolling machine for production, it often takes many years or even more than ten years. If the purchase is not suitable, it will bring indispensable troubles and even cause indispensable losses. Because of this, how to choose the coil The board machine provides the following reference opinions: It is possible to have an initial concept of the unique place of various board rolling machines.
1. Three-roller symmetrical plate roller machine (W11 series) Unique features: simple structure, light weight, easy production and maintenance, and low investment. The rollers on both sides can be made very close, and the forming is more correct, but the remaining straight sides are large. The lack of this machine is that the end of the sheet material needs to be pre-bent with the help of other facilities. Applicable scope and conditions: Offices with pre-bending facilities or all kinds of coils that do not require crimping, use common symmetrical; for coils that require crimping, the symmetrical type with crimped backing plates can be used.
2. Hydraulic three-roller symmetrical plate bending machine (W11S series) Unique point: This model is better for large-scale three-roller symmetrical plate bending machine. Applicable scope and conditions: Offices with pre-bending facilities or all kinds of coils that do not require crimping, use common symmetrical; for coils that require crimping, the symmetrical type with crimped backing plates can be used.
3. Four-roller plate bending machine (W12 series) Unique: The four-roller plate bending machine is the most comprehensive, speed and precision bending facility. It has a pre-bending function with the symmetrical upward adjustment of the three-roller phase shape, and the arc downward adjustment and the level downward adjustment phase shape has the advantages of small straight sides and high coiling precision. It can also perform certain plastic surgery and leveling of the metal sheet. It has the effects of direct bending, time-saving and material-saving. It is an ideal large and medium-sized plate rolling facility in the contemporary era. Applicable scope and conditions: heavy work piece rolling and semi-automatic leveling and high technical level occasions.
4. Asymmetrical three-roller plate bending machine (W11F series) is unique: it has the dual functions of pre-bending and rounding. Compact structure, convenient operation and maintenance.