三点测径规示值误差的扩展不确定度分析

Extended Uncertainty Analysis of Three-point Caliper Gauge Error

为了确保三点测径规的数据准确可靠,有必要对其进行常规几何量的溯源和量值传递,根据三点测径规的计量特性和工作原理,本文对三点测径规示值误差的扩展不确定度进行分析。

In order to ensure the accuracy and reliability of the data of the three-point caliper,it is necessary to trace the source and transfer the value of the conventional geometric quantity.According to the measurement characteristics and working principle of the three-point caliper,The expanded uncertainty of the value error is analyzed.