... , rotating loading system, infeed conveyor, CNC infeed carriage, marking unit, punching unit, shearing unit, unloading conveyor as well as hydraulic, ... three kinds of punches with different diameters. Versatile triple tooling can move together controlled by CNC which is to change ... can be conveniently adjusted. 4) Marking unit adopts a closed frame with good rigidity. Four sets of character boxes ...