The CD-HSS box drawing experimental device included four parts of die structure, lever mechanism, hydraulic and electric control system were designed based on the CD movement principle.
基于可控拉深筋运动原理设计了可控拉深筋高强度钢板盒形件拉深实验装置，该实验装置分为模具结构、杠杆机构、液压及电气控制系统四部分。
The electric part USES PLC touch screen control, hydraulic system USES an electric pump to increase screening and dedusting equipment with high degree of automation.
本机电器部分采用PLC触摸屏控制，液压系统采用电动油泵，增加过筛、除尘装置，自动化程度高。
Firstly, this paper analyses the communication means of the main products on hydraulic powered support electric and hydraulic control system. Deficiency of the original means is indicated.
本文首先分析了国际上几种主要的液压支架电液控制系统的通讯实现方法，指出原有方法中存在的不足。
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