For waste margin stripping of cardboard, thin corrugated paper and common corrugated paper in printing industry High-speed running gear is cycle driven through air motor, strip waste margin paper with sharp teeth gear. The gear uses high strength Diamond Compound after heat treatment, high hardness, wear resistance, long life and easy replacement. The product is high-efficient manual/ stripping equipment, stripping efficiency is improved by 10 the same weight as normal grinder easy to use, worker can operate machine after simple training. No damage for bonding area while stripping. Improve the efficiency of the following process gluing/ automatic packing)