The work spindle get four-grade rotate speed, which is driven by a couple of two-grade v-belt pulley.

由一对两级三角皮带轮传动工件主轴，使其获得四级转速；

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It is found that the damping properties of the work-spindle system are largely affected by the type of main bearing and the mounting method of the pulley.

实验的测试结果表明工件-主轴系统的阻尼特性很大程度上受轴承结构型式及带轮安装方式的影响。

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It is found that the damping properties of the work-spindle system are largely affected by the type of main bearing and the mounting method of the pulley.

实验的测试结果表明工件-主轴系统的阻尼特性很大程度上受轴承结构型式及带轮安装方式的影响。

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