Punch grinder is a tool which can be put on the surface of grinding punches. It can do cylindrical grinding automatically. The roller can be used to adjust the workpiece before grinding. When during heavy grinding, use screw pressure for firm holding as shown in the picture. Accuracy of roller is within 0.005mm. It can grind punches of outside diameter from 1.5-25mm. Extended grinding length is 5-35mm.
