Center Reel
The center of the reel is used for winding, and the taper control of the system is used to calculate the winding diameter in real time. The change of winding motor force curve is achieved during the process from small diameter to large diameter. It overcomes the problem of equal tension due to different roll diameters. Finally, it achieves the purpose of tightening the product inside and loosening it outside, so that the film roll is not deformed.