Hydraulic press machine is a general-purpose press with a sophisticated structure, which has the characteristics of wide range of uses and high production efficiency. Delishi/Goodsjack hydraulic press machine can be widely used in cutting, punching, blanking, bending, riveting and forming processes. By applying strong pressure to the metal blank, the metal is plastically deformed and fractured to be processed into parts. When the mechanical hydraulic press is working, the motor drives the large pulley through the V-belt, and drives the crank-slider mechanism through the gear pair and the clutch, so that the slider and the punch go straight down. After the mechanical press is completed, the sliding block travels upward, the clutch is automatically disengaged, and the automatic on the crankshaft is switched on, so that the sliding block stops near the top dead center.