What is roller straightening?
Roll straightening is the correction of shape defects caused by repeated bending when the rolled material passes between two rows of staggered rollers. Roll straightening is carried out on a roll straightening machine or inclined roll straightening machine. Roller straightening is widely used in the straightening of sheets, strips and profiles, and inclined roller straightening is used in the straightening of pipes and bars. Roll straightening is an important process in sheet metal production. Due to the step change of straightening force in the process of straightening bite and tail swing, the straightening effect will be affected by the change in the length of the whole plate straightening and the change of the pressing process.
A straightening machine is the equipment for straightening metal profiles, bars, pipes, wires, etc. Roll straightening, the correction of a shape defect caused by repeated bending of the rolled material as it passes between two rows of staggered rollers. A brief introduction to the correction of shape defects caused by repeated bending of the rolled sheet as it passes between two rows of staggered rollers. Roll straightening is carried out on roll straightening machine or inclined roll straightening machine. Roller straightening is widely used in the straightening of sheet, strip and profile, and inclined roller straightening is used in the straightening of pipe and bar.
According to the type and range of materials to be processed, TX can provide the optimal solution with the proper diameter and numbers of roller, roller spacing, speed and etc, with the purpose to remove most of defects like coil set, cross bow, edge wave, and center buckle, dents, curvature, camber and so on. To achieve the highest precise flatness for the material.
TX also supplies the standalone machine for metal sheet and parts, like perforated sheet, stamped, flame-cut and laser-cut parts, high tensile steel and so on.
Introduction to working principle of roller straightening machine:
In the rolled products, the shape defects of some large section rolled pieces are characterized by initial state curvature with the same value and direction (original curvature 1/r0), while most of the shape defects are characterized by indeterminate value and direction of original curvature (between 0 ~ ±1/(r0)min). For the latter type of rolled piece, the residual curvature tends to be the same after the elastic-plastic reverse bending of the same curvature and can be straightened after an appropriate amount of reverse bending.
The position of the rollers is at an angle to the direction of movement of the straightened product. Two or three large rollers are active pressure rollers, which are driven by the motor to rotate in the same direction. On the other side, several smaller rollers are driven pressure rollers, which are driven by the friction of the rotating rod or pipe. In order to achieve the desired compression of the roller on the product, the position of these small rollers can be adjusted simultaneously or separately forward or backward. Generally, the more rolls there are, the higher the accuracy of the straightened product. After the product is bitten by the roller, it continuously makes straight line or rotating motion, so that the product bears various aspects of compression, bending, flattening and other deformation, and finally achieves the purpose of straightening.
Leading manufacturer supplier of cold roll forming machine
Foshan Te Xiang Machinery Co., Ltd is a China leading manufacturer of metallic processing machines, including slitting line, cut to length line, stainless steel polishing line, ERW tube mill line, roll forming machines, embossing line and etc.
Leveler is the core equipment of strip and plate processing machine, therefore TX has been dedicated to developing and producing the top quality precision leveler for coil strip, plate, and machine part. TX’s leveller is capable to process all kind of ferrous and non-ferrous material with thicknesses from 0.1 mm to 25mm, and width 2500 mm max.
TX provides 4hi, 5hi, 6hi leveller for both types: fixed frame type and cassette type.
If you are looking for the high performance leveler or roller straightening in the cut to length line, feel free to send an inquiry to contact us.
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