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众所周知,使用塞棒系统很容易控制中间罐钢水的流出量。人们经常选择液压伺服装置来控制塞棒的位置。现在法国SERT公司设计了一种驱动塞棒的电伺服装置。与液压控制系统相比电伺服装置具有以下优点:
It is well known that the use of stopper systems makes it easy to control the flow of molten steel from the intermediate tank. People often choose hydraulic servo to control the position of plug. Now SERT France designed a servo-driven electric servo rod device. Compared with the hydraulic control system electric servo device has the following advantages: