WHC Technical Topic: Speed - Dual drives
By Dr. David R. Roisum

Applications for dual drives include two-drum winders, center-surface winders and calenders such as might be used for laminating are discussed here. While the range of such equipment can be extended with a second drive, it comes at substantial costs, one of which is complexities of application and control.
Web201.77f - https://www.youtube.com/watch?v=_UAup8PxbKs