Width and thickness of the material can be based on different specifications, set knife blade distance and increase the distance. Sawing blade automatically dropped after the completion of the workpiece and then returned to the original point, avoiding retract secondary scratching material, improve surface finish and ensure accuracy of length. 

Motor overload protection device to prevent saw blades not sharp continued to use after causing personal injury. Forced cooling system, make cuts more smooth without burrs, and extend the life of saw blade