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一、引言机床主轴轴线的径向误差运动,直接影响工件的加工精度和表面光洁度。而引起主轴轴线径向误差运动的原因有两方面:一是静态因素,主要决定于主轴回转系统的设计合理性及主轴、轴承和箱体支承孔等零件所组成的主轴回转系统的制造质量和装配质量;二是动态因
I. INTRODUCTION The radial error motion of the spindle axis of the machine tool directly affects the machining accuracy and surface finish of the workpiece. There are two reasons for the radial error movement of the spindle axis. The first is the static factor, which is mainly determined by the design rationality of the spindle rotation system and the manufacturing quality of the spindle rotation system composed of the spindle, the bearing and the bearing hole of the box body. Assembly quality; the second is dynamic