A special test gauge for large aperture inner diameter and roundness is designed in this paper, and the gauge error is analyzed by calculating and determining its parameters.
介绍一种大孔径内径和圆度专用检验量具的设计，并通过计算确定该量具的设计参数并对该量具进行误差分析。
The authors introduce a method for measuring inner and outer diameter of thin wall cylinder with conventional measuring gauge, by means of changing the way of supporting the parts.
作者介绍一种通过改变薄壁气缸套支承形式，再用常规量具来测量薄壁气缸套内外径的方法。
The present invention has the advantage that the measurement data of the diameter value of the inner bore with the bore gauge in specific depth is accurate due to high locating accuracy.
因为定位准确度高，用内径表测量内孔定深处直径值数据准确。
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