Transactions of Materials and Heat Treatment

Title：Contrast and simulation analysis on pressure relief characteristics of three types of pressure relief circuits for forging press

Authors： Zhang Hui He Tao Wang Chuanli Deng Haishun

Unit： Anhui University of Science and Technology

KeyWords： forging press pressure relief circuit AMESim simulation analysis

ClassificationCode：TG315

year,vol(issue):pagenumber：2015,40(5):99-104

Abstract：

For three types of pressure relief circuits of 6000 kN forging press, their models, parameters setting and simulation processes were conducted by AMESim, and the displacement, velocity and acceleration of the working cylinder rod, the port pressure fluctuation on the oil inlet and outlet and the pressure conditions under the stable status were analyzed comparatively. The comparative simulation results show that steady velocity of the working cylinder rod can be reached within 1 s after the pressure relief starts under the condition that displacements of the rod are nearly the same for three types of circuits. At the same time, the fluctuation margin and peak acceleration reach the minimum level, and the most stable motion of the working cylinder can be realized with the minimum inertial impact. The pressure relief circuit of throttling valve is the best in the three types of pressure relief, and the rest sequence is the throttling-sequence valve pressure relief and the sequence valve pressure relief circuit respectively.

Funds：

国家自然科学基金资助项目（51205002）；流体动力与机电系统国家重点实验室开放基金资助项目（GZKF-201205）；安徽省科技攻关计划项目（1301022074）

张辉（1991-），男，硕士研究生王传礼（1964-），男，博士，教授，博士生导师

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