... , carving knife, computer engraving machine, engraving machine. grinding machine lathe is aimed at turning tool, bit, cutter, carving knife, ... 2500, 3000,3500,4500 can be selected. grinding machine lathe Precision type:High-precision, high transmission ball screws, efficiency, ... speed of belt drive.knife holder is using worm gear transmission,magnetic chuk knife,grinding head degree has special ...