Use: It is applicable for slitting and rolling drum materials like paper, film, glass paper, aluminium foil, adhesive glue and plastic PVC. Feature: 1. It adopts up and low fixing air expansion shaft to roll and fit more slitting. 2. The rolling magnetic powder clutch can control tension. 3. The master motor frequency regulating speed is equipped with a constant speed rubber traction roller to keep the slitting speed constant. 4. Equipped with length auto count to set auto stopping at a certain length. 5. Equipped with round blade, flat blade and blower. 6. The unreeling unit adopts magnetic powder brake to control tension. 7. Equipped with photoelectric rectifier, it can automatically track slit basic material side to slit precisely.