The machining of Variable-axis NC Machine Tool is influenced by its accuracy directly.
变轴数控机床的精度直接影响着其加工能力。
The tooth side slack of the gear influences the machining accuracy of NC machine tool directly, so, taking out the slack of feed drive gearing is an important item in the machine tool rebuilding.
齿轮的齿侧间隙直接影响数控机床的加工精度，因此，进给系统传动间隙的消除是机床数控改造的一项重要内容。
Positioning accuracy in NC machines is defined by how accurately the machine can be positioned to a certain coordinate system.
数控机床中的定位准确度被定义为机床在特定坐标系统中被定位的准确程度。
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