岗位面试题库合集-生产面试题库-机械、电器试题答案
机械类问题答案一、在一个完善的液压系统中,往往使用较多的单向阀,但功能又不相同,试列出三个最主要的功能?答:1.止回阀,防止液体回流。2.背压阀,为系统某一支路建立背压,防止该路压力过低。3.液压锁,对某一需要的支路锁定,以免因系统不稳定或掉电等原因造成意外卸压,发生危险。二、问题:1.请标注各液压件名称;2.请描述两缸各自完成”快进—慢进--快退”时,各电磁铁通断情况。答:1.1、2为液压泵;3、4为溢流阀;5、6为节流调速阀;7、8、11、12为二位五通电磁阀;9、10为单向阀;13、14为液压缸。2.快进时:1DT、2DT断电,3DT、4DT通电;慢进时:1DT、2DT通电,3DT、4D...
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