... Slitting and Rewinding Machine: 1) Speed: 300m/min 2) Total power: 8 kw High Speed Automatical Slitting and Rewinding Machine ... uses the vector frequency conversion motor,realize the constant line speed control.5.Unwinding part is shaftless, adopt air cylinder equipment, ... realized by the PLC automatic diameter counting, auto tensity control.7.Auto meter presetting,auto meter counting,auto stoppage,etc ...