表面粗糙度参比样块Ra测量结果的不确定度评定

Uncertainty Evaluation of Surface Roughness Reference Sample Ra Measurement Results

本文对表面粗糙度参比样块Ra的测量结果不确定度来源进行了分析,阐述了表面粗糙度测量结果合成不确定度和扩展不确定度的评定过程,为工件表面粗糙度测试结果不确定度评定提供指导。

This paper analyzes the sources of uncertainty in the measurement results of the surface roughness reference sample Ra,and expounds the evaluation process of the combined uncertainty and the expanded uncertainty of the surface roughness measurement results,so as to provide guidance for the uncertainty evaluation of workpiece surface roughness test results.