... film,like PE,PP,OPP,etc SLM-1300 HIGH SPEED SLITTING MACHINEIntroduction:1.This machine is mainly used to ... unwinding4.transmissiont part uses the vector frequency conversion motor,realize the constant line speed control.5.Unwinding part is shaftless, adopt air ... vector frequency conversion motor,to drive magnetic powder clutch,realized by the PLC automatic diameter counting, auto tensity control.7. ...