... Four-column double-action 2.fast speed, without stroke 3.lower energy 4.easy operation 5.cnc hydraulic,mechanical Features of Drawing ... to the actual thickness of material.4.Fast speed of drawing,highly efficient, and without stroke.5.A long traveling , ... screen safety protection device Rated pressure: 1600KNWorking pressure: 20.0MpaDeep drawing depth: 0-300mmWorking period: 3-4times/minMax.diameter of ...