1. The sliding block does not heat up at high speed. Becuase the sliding block is coated with a layer of ceramic to prevent thermal expansion and contraction, and to exert a cooling effect. 2. The point position of each Y-teeth point is exactly the same because the main axis has been locked 360° and there is no clearance. 3. Our new model machine is more stable. When the machine is in high speed operation, the puncher will not be broken easily.