Use: It is a new style product integrated light, electricity and gas. 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 air expansion shaft to roll. It is convenient for the user to install and discharge the winding unit. 2. The winding magnetic powder clutch controls its tension(automatic tension device for option). 3. The master motor frequency regulating speed is equipped with constant speed rubber traction roller to keep the slitting speed constant. 4. Equipped with a length auto counter, through which the user can set auto stopping function at a certain length. 5. Equipped with round blades and flat blades and blower for side materials. 6. Part devices adopt air cylinder and pneumatic to operate to make it easy. 7. The unreeling unit adopts magnetic powder brake to control its tension. 8. The unreeling unit adopts automatic loader for materials. 9. Equipped with a photoelectric rectifier, through which it can automatically track basic material side to be slit so that the machine can slit precisely.