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US08786243B2 Method and device for preparing error map and numerically controlled machine tool having error map preparation function 有权
用于制作误差图和数控机床的误差图准备功能的方法和装置

Method and device for preparing error map and numerically controlled machine tool having error map preparation function
摘要：
In a numerically controlled machine tool which has a linear feed axis and a rotational feed axis and in which a main spindle and a table are movable relative to each other, a position error and an attitude error produced by an operation of a linear feed axis and a rotational feed axis are measured at a plurality of measurement points set within a movable range of the linear feed axis and the rotational feed axis, and the position error and the attitude error thus measured are stored as an error map in correspondence to a position of the linear feed axis and a rotation angle of the rotational feed axis.
摘要（中）：

在具有线性进给轴线和旋转进给轴线的数控机床中，主轴和工作台相对于彼此可移动，通过直线进给轴线的操作产生位置误差和姿态误差， 在设置在线性进给轴和旋转进给轴的可移动范围内的多个测量点处测量旋转进给轴，并且将如此测量的位置误差和姿态误差作为误差图存储为对应于 线性进给轴线和旋转进给轴线的旋转角度。

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