该机以一根立轴联接螺旋板齿脱粒滚筒、上排杂风扇和下轴流风扇，并驱动其旋转。
The helical plate tooth threshing cylinder, the top thresh fan and the undershot fan are connected and driven by a vertical shaft.
首先分析了影响滚动轴承径向游隙的因素，然后根据印刷要求，确定了胶印机滚筒滚动轴承的最佳工作游隙值，最后计算了不同印刷条件下该轴承的装配游隙。
The article discusses the influenced factors of rolling bearing's radial internal clearance, and fixes the optimal working radial internal clearance of offset printing cylinder's rolling bearing.
并且我们也发现在高速运作下这个滚筒驱动具有高的效率。
It is also found that the roller drive has high efficiency under the operation of high speed.
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