The wheel straightening machine is a device for straightening metal profiles, bars, pipes, wires, and the like. The straightening machine presses the bar or the like by a straightening roller to change the straightness. There are generally two rows of straightening rolls, varying in number. There are also two-roll straighteners that rely on angular changes in two rolls (intermediate concave, hyperbolic rolls) to straighten materials of different diameters. The main types are pressure straighteners, balance roller straighteners, shoe roll straighteners, rotary back straightening machines, and so on.
The position of the roller of the wheel straightening machine is at an angle to the direction of movement of the straightened product. Two or three large active rolleres are rotated in the same direction by the motor belt, and several small rollers on the other side are driven. Pressure rollers that are rotated by the rotating rod or tube friction. In order to achieve the required compression of the rolls to the article, the small rolls can be adjusted either forward or backward, either simultaneously or separately. Generally, the greater the number of rolls, the higher the accuracy of the finished product after straightening. After the product is bitten by the roller, it is continuously linearly or rotationally moved, so that the product is subjected to various compression, bending, crushing and the like, and finally the straightening is achieved.

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