Application Suite big roller rewind to the small roller of film, low tension material Features 1. Magentic powder brake, semi-automatic tension control. 2. Air expanding shaft for unwind and rewind. 3. Loose or tight adjust device 4.Photoelectric hydraulic pressure edge position control. 5.Transducer of rewimd, tension can be adjusted. 6.Meter counter can stop the machine by the preset length. Main technical parameters ItemparameterRoller sizemm 1300Thicknessmm 0.02 0.2mmMax.diameter for unwind and rewindmm 450Designed speedm/min 80Power supply 3kwdimensionmm material width +950x1150x1310LXWXH weightkg 2000