The result shows that the changing velocity of the errors has influence on the machining accuracy of the gear and the choosing of the compensating methods.
结果表明，滚刀与工件间的相对偏差变化速度的快慢不仅影响到齿轮加工精度，还影响到误差补偿方法的选取。
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。
By optimzing process measures during machining the gear hob and worm hob, the hob's accuracy could be raised obviously result in the part's accuracy could be raised.
在加工齿轮滚刀和蜗轮滚刀的过程中，通过一些工艺改进，可明显提高滚刀的精度，最终提高被加工零件的精度。
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