Short diameter of knife shaft,high average speed better to improve the productivity. 6.Transmission system adopts oil pump auto-cycle Lubricating. 7.Exact and adjustable no gap gear assure knife edge joggle exactly.Incision quality good,beeline degree high,protect knife. 8.NC automatic follow the cardboard transmission speed and keeping synchronization. 9.NC reserve groups of orders,and auto-complete as the procedure or according as preferential condition,the screen display various production message