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当加工出键槽后(见图1),测量键槽深度D-t值,此处D为轴的实际直径尺寸,由于D-t值不受槽宽b值的影响,故测量精度
When the keyway is machined (see Figure 1), the depth of the keyway D-t is measured, where D is the actual diameter of the shaft. Since the D-t value is not affected by the b-value of the groove width, the measurement accuracy