valve spool

基本解释

Pneumatic valve works by rotating the valve spool to flow or occlusion.
气动球阀的工作原理是靠旋转阀芯来使阀门畅通或闭塞。
By changing the balance valve spool of the flow area to adapt to the changes before and after the valve, so as to achieve the purpose of flow control.
通过改变平衡阀的阀芯的过流面积来适应阀门前后的变化，从而达到控制流量的目的。
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The mate-grinding for axial mate dimension of valve spool and valve sleeve is the key process during machining, and the axial mate dimension is called as overlap values.
阀芯和阀套的轴向配合尺寸的加工是伺服阀制造过程中的关键工序，这种轴向配合尺寸通常称之为叠合量。