... roller is made as per customer's design . Feeding is fixed-length controlled by stepper motoror by tracking . Punching Part driven by ... in Adoption for the controller part ,seperate operation box , settings : length ,speed ,qty per min. Alarm ,urgency stop , photoelectric tracking , ... 1.roll diameter : ≤500mm 2.roll width: ≤400mm3.Punching Length :400mm 4.Punching width:400mm 5.Punching Speed :90-180 ...