文章分析了超声振动车削时工件的装夹偏心和车床主轴的旋转精度对加工表面粗糙度的影响。

This paper analyses the influence of the eccentric clamp of the workpiece and the rotative accuracy of the lathe spindle on the ultrasonic lathe.

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本文对宁夏工学院测试车床主轴回转误差运动时基准球安装偏心引起的误差进行了分析，并提出了剔除该误差的方法。

This paper analyzes the offcenter error of installing reference ball as testing lathe main spindle rotation errors in Ningxia Institute of Technology and puts forward the way of eliminating errors.

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