... , OPP, CPP, PE, PS, PVC and computer security labels, electronic computers, optical materials, film roll, foil roll, all kinds of paper rolls ... : The user pre-start only need to input the material thickness, width, density, diameter and speed parameters, the next will be ... to complete. Optional: 1, Japanese / German Motors 2, servo motors 3, 6 inch pneumatic fall slip shaft( friction shafts) 4, E ...