采用误差分离技术将工件的形状误差从所测信号中分离出来，实现在线测量主轴的径向误差运动。
The profile error of workpiece is separated by error separation technique to realize the online measurement of spindle radial motion error.
工作台主轴采用高精度可调径向间隙双列短圆柱滚子轴承定心。
Work spindle with high precision adjustable radial clearance of double row cylindrical roller bearing centering.
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