Transactions of Materials and Heat Treatment

Title：Improvement of control system of 300 MN die forging hydraulic press

Authors： TAN Jian-ping1 HUANG Chang-zheng2 ZHOU Jun-feng1 XU Xian-dong1 Wei Liang3(1.School of Mechanical and Electrical Engineering Central South University Changsha 410083 China 2.Department of Mechanical and Electrical Engineering Shaoguan University Shaoguan 5

Unit：

KeyWords： water press operation control system control system

ClassificationCode：TG315.42

year,vol(issue):pagenumber：2007,32(3):80-84

Abstract：

Based on the analysis of shortages of the original control system for 300 MN die forging hydraulic press,the "water controlling water" control mode was reformed into "oil controlling water".Applying modern hydraulic control and communication network technique,its waterway distribution system,oil control system,communication network control system and intelligence monitor system were improved.Practical application shows that control precision of distributor cam turn angel is ±1.5°,labor productivity is increased by 50% and so that the hydraulic press is upgraded to be the intelligent mechanical and electrical equipment from traditional mechanical equipment.

Funds：

国防科工委资助项目(科工计字2000(589))

Reference：

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[3]郭淑娟,刘少军,张怀亮.水压机操纵控制系统的改造[J].锻压机械,1996,11(6):28-28.
[4]俞新陆.液压机[M].北京:机械工业出版社,1982.
[5]Liu Kai.Learning control system for a ten-thousand-ton hy-draulic press[A].Conference Proceedings.Proceedings ofthe International Symposium on Test and Measurement[C].Beijing:Int.Acad.Publishers,1997.541-544.
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