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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 6    No. 1    March 1996

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OPTIMIZED DESIGN OF HYDRAULIC CONTROL PATTERN OF SYNCHRONOUS SYSTEM IN LARGE SCALE DIE-FORMING HYDRAULIC PRESS
Tan Jianping,Zhong Jue,Yan Jian

Department of Mechanical Engineering,Central South University of Technology,410083

Abstract:The hydraulic control mode of the synchronous system in Chinese-built 300 MN die-forming hydraulic press was analysed comprehensively.  To improve the deficiency of the existing sys-tem, a series investigations were put forward,such as the controlling of inclination angular-velocity.the pre-estimating of compensation, the synchronous cylinder's pressure signal protection, ratio pres-sure control and changing flow control etc,to increase the system's control accuracy and reliability greatly.

 

Key words: synchronous system        hydraulic control  optimization

ISSN 1672-7029
CN 43-1423/U

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