The slotting unit in carton flexographic box machine is the work of slotting corrugated board and pressing lines at the same time. The slotting size can be set in the slotting unit according to the size of the carton you want to make. In this way, the corrugated cardboard will be crimped and slotted in the slotting unit after printing. In this way, you can get a conventional carton, such as fruit box, furniture box, food outsourcing packing, etc. Slotting unit cannot do die cutting.