Beam in motion under the output force of the plunger of the hydraulic cylinder and the reaction force of the cutting block compression workpiece, is the main force component of the forging press and ceramic machine, at the same time, the stiffness of the beam will directly affect the forming accuracy of the forging press.  Therefore, in the design of ceramic machine, how to achieve the stiffness and strength of the movable beam to meet the design requirements, has become the key technology of large forging press design.