The operations of lifting up or lowering down, clamping, loosen-ing, moving and centering of raw paper are all electrically con-trolled. ■ This machine applies manual braking for tension adjustment of raw paper with operational pneumatic braking. ■ Max. diameter of raw paper: φ1500mm. ■ Width of clip paper: 600-1600mm, 600-1800mm. ■ This machine adopts the cycloid motor for clamping and lifting up or lowering down, which can effectively protect the machine from damaging when the clip paper arm overweighs or touches the ground.