QFJ surface loading slitting machine is a vertical split cutting qequipment with high precision and sensibility. Its adjustable working speed is 0 to 160 per minute, and it is equipped with converter speed regulator. It adopts constant tension magnetic brake to feed rolls, automatical counting and stopping, photoelectric rectifying deviation. Ehile it also adopts two magnetic clutches and main machien to control the operation in a linkage way, with dual purpose, i. E. Pneumatic central rolling touching the surface and it is hard to knot each other bacause the double shafts are to collect rolls. The machine is applied to spilt cut paper. Plastic film, al-foil and insulator materials.