天气预报 > 教育 > 什么是同轴度
什么是同轴度
更新时间: 2021-04-10 14:24:19  

1、同轴度就是定位公差,理论正确位置即为基准轴线。由于被测轴线对基准轴线的不同点可能在空间各个方向上出现,故其公差带为一以基准轴线为轴线的圆柱体,公差值为该圆柱体的直径,在公差值前总加注符号“Φ”。

2、同轴度的用途:

(1)轴类零件圆度、同心度、圆周跳动、断面差的精密测量

(2)轴类零件外圆及内圆参数的同时精密测量;

(3)轴类零件多点参数的同时精密测量;

(4)快速测量、断差面、内圆及外圆可同时测量。

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