采用国内最新型的大传动机构，由排链带动主传动轴，免除了其它齿轮传动的误差和噪音。

It adopts the newest type high-power transmission mechanism to arrange the chain and drive the main driving shaft. The errors and noises of other gear wheel transmission can be avoided.

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本实用新型能够有效避免机具升降时，有 效避免了机具升降时变速箱动力传动轴与横梁的干涉。

The utility model can effectively avoid the interference between the power transmission shaft of the gear-box and the cross beam during the process of rising and descending of the machine tool.

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本实用新型主要用在纺丝设备中计量泵的传动轴上。

The utility model is mainly applied in metering pump driving axle of spinning equipment.

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