首先进行强度和稳定性计算，主要进行了筒体、端盖的壁厚计算、水压试验应力校核以及叶轮、轴的强度校核。

First of all, for strength and stability, mainly a cylinder, cover the wall, the water pressure check and impeller stress test, the axis of strength checking.

youdao

包装速度快，空包少，包装性能稳定。有空包排除装置。双纸筒轴装置，减少停机时间。

Fast speed, less empty bags, steady packing capacity. Empty bags' remove device. Double film shaft device, reduce time of stop machine.

youdao

或操纵紧定套、拆卸筒安装在圆柱轴上。

Or use tight set cover, remove pipe shall be fitted on cylinder shaft.

youdao