For thrust bearings, and shaft tight and together with the movement of said shaft washer, and bearing or mechanicalshell holes into the transition and play supporting role with the said seat.
对于推力轴承，与轴紧配合并一起运动的称轴圈，与轴承座或机械壳体孔成过渡配合并起支承作用的称座圈。
2
The main mechanical seal is installed in the shaft on the dynamic in Central and fixed pump shell on the static ring for the relative motion between the end to achieve the objective of sealing.
机械密封主要的是靠装在轴上的动环与固定在泵壳上的静环之间端面作相对运动而达到密封的目的。
3
On the basis of analyzing stress shell, the mechanical essence that top coal performs a function of bedding is demonstrated.