Double servo motors coordinates to control stitching and feeding pitch, solve that tradition brake clutch to be fault rate high , over come a crank rockers mechanic that is unstable shortcoming completeiy. Glue system use PVA instead Hot Melt Glue to fit environmental protection. Special stoppers designing can respond to the paper by pushed alone and starts stitching automatically. Full-automatic location system set up the size of the cardboard pass HML to get quick-change different product and offer memory function
