轴瓦厚度测量机稳定性的测量分析

Measuring system analysis of step brass thickness measurement machines

介绍了轴瓦厚度测量系统分析计划的制订,测量系统偏倚特性、稳定性和线性分析.对测量系统的重复性与再现性分析步骤、计算过程、分析结果做了详尽的剖析与讨论.认为自行开发研制的轴瓦厚度测量机的偏倚特性、稳定性和线性能满足测量要求,其重复性与再现性指标R&R%<30%,基本上具有所需的测量能力.

The measuring properties of the step brass thickness measurement machines affect the application of step brasses, so it is necessary to apply MSA（measuring system analysis） to step brass thickness measurement machines. The analyzing plan of the step brass thickness measurement system was introduced first. The bias, stability and linearity of the measuring system was introduced too. The steps, caculation and results of the repeatability and reproducibility analysis of the measuring system were detected and discussed in detail. Results indicate that the bias, stability and linearity of step brass thickness measurement machines can meet the request. The R＆R% is less than 30%, which shows that the measuring capacity of the step brass thickness measurement machines is enough.