The working principle of this stretcher levelermainly relies on two sets of bending rollers and two sets of leveling rollers, which cooperate with the front and rear tension rollers to straighten the strip. The specific operation is to make the steel strip be bent and stretched repeatedly when passing through the bending rollers and straightening rollers, so that the steel strip can produce permanent extension deformation.
This extension deformation is caused by two forces acting together, one is the tension provided by the front and rear tension rollers, and the other is the bending force formed by the misalignment of the upper and lower bending roller groups. After the steel strip is bent and stretched many times, the internal stress is uniform, and various wavy edges and warping problems are solved by the straightening machine.
The design of the bending roller group of the sheet straightening machine is very clever. It can control the deformation degree of the steel strip from large to small, so that the steel strip can be straightened more accurately. The problem can be almost solved with large deformation, and then fine-tuned with small deformation, and the plate shape can become flat and straight.
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