三是主传动的设计，包括洗浆机辊筒的强度和挠度计算，最后定出主、从动辊的结构尺寸；

The third part is the design of the host transmission which includes the calculating the intension and flinch of the roller , and decide the dimension of the host roller and the driven roller;

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另一个动力辊变速 机构是：在所述从动齿轮介轴上还装有齿系传动轮，该齿系传动轮 将运动副传递给上辊轴。

The other speed shifting mechanism is a shaft of the driven gear that is provided with a tooth driving wheel that puts the roll shaft in motion through transmission.

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