... 2. Vector frequency-converting is adopted for winding and rewinding driving,automatic tension control is achieved through roll diameter calculated by ... In the system, there are calculations of meter, roll diameter, automatic machine stop when lack of material etc.8. The system has ... of Machine3000kg Total Power10kw Overall Dimensions(LxWxH)1950x2200x1720mm JNJH800 Series High-speed Rewinding Machine