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本文介绍了用传动链误差反馈校正和头架主轴偏心的综合补偿，以及用双零位初相获得高的螺旋线精度和分头精度，以及用展成法修整砂轮，从而达到理论齿形的方法，对设计和改装机床有一定的参考价值。
In this paper, we introduce the method of feedback compensation of transmission chain and eccentric compensation of headstock spindle, as well as the method of obtaining high helical accuracy and accuracy by using double zero initial phase, and dressing the grinding wheel by using the spreading method to achieve the theoretical tooth profile , On the design and modification of machine tools have a certain reference value.