10,000 t Multi-ram Die-forging Water Press Control System Based on S7-300 PLC

The article introduces the die-forging process of the 10,000 ton multi-ram die-forging water press in some aluminum company.The composition and working principle of the digital electric-liquid servo system which controls each part's work of the water press are particularized,and the hardware configuration of the water press control system is also presented.In order to enhance the position control precision of each move part of the water press,the intelligence exceeding tolerance twice regulative control arithmetic is adopted,and the work principle of the arithmetic is brief explained.Finally,the functions of the control system are presented.