Centering ball and seat 中间转向联焊
centering the ball 传中球
datum ball off-centering quantity 基准球中心偏移量
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An analysis is given to the effect of centering error of the mechanical mounting of the master ball in a digital measurement upon the radial motion polar plot of an axis of rotation.
本文主要分析采用数字式测量时,标准测试球的安装偏心对回转轴径向误差运动圆图象的影响。
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