机床几何精度
机床几何精度——是指在空载条件下机床本身的精度,描述机床独立部件相对理想的线或面的形状特征(直线度、平面度)、位置(平行度、垂直度、重合度、等距度、角度)、旋转(径向圆跳动、轴向窜动、轴向圆跳动)、位移(运动部件的位置偏差、线性偏差、角度偏差)的偏差程度。
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