液压问答 方向控制阀的中位机能是指什么

2025-04-04 02:53:14
推荐回答(1个)
回答1:

三位换向阀共有三个机能位,平时不工作的时候,阀芯的位置不动,油路连接就是按照阀符号中间的机能位连接
这个分很多种,O型、Y型、H型。。等等
中位机能不一样也限制了阀的用途,比如说O型阀,它在阀不工作的时候,ABPT全部断开,这样的机能位可以起到一点保压的作用(作用较小,一般不采用),但是它绝对不能与液控单向阀一起使用,因为它的机能会造成液控单向阀保压性能不佳
Y型、H型等 这些叫法也和符号比较近似,这个中位机能是你选用时候重要的衡量标准,在油缸无动作的情况下,你必须考虑这时候油路A,P,B,T的连接情况。

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