In the field of plastic and paper processing, the need of wrapping material around cylinder in the form of role is often. The systems so far were unable to regulate the tension of the material, so the wrapped material of role to be uneven
The servo system that fits into the cylinder bows comes to give a solution to the dissimilarity of the role. The tension of the material is controlled and every time depends on the diameter of the role. Since starting Wrapping up the material till it is completed the role, tension remains constant regardless of speed bows or roll diameter.