... un-irregular interval puncturing.(5).Hydraulic system : 1.0.Working pressure without section adjustment,, hydraulic circuit using a zero-load ... when using fast turn to slow differential of hydraulic circuit design, high-speed down, low-speed ... of the properties, to enhance the stability of punching the workpiece shape, in addition to promoting ... :8200mm,H:2500mm,Total weight : 5T Punching Machine