CMM在产品检验中的不确定度分析与合格性判定

陈晓怀; 姜瑞; 王汉斌; 徐磊; 程银宝; 程真英

doi:10.3969/j.issn.1000-1158.2017.01.11

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计量学报 ›› 2017, Vol. 38 ›› Issue (1) : 51-55. DOI: 10.3969/j.issn.1000-1158.2017.01.11

几何量计量

CMM在产品检验中的不确定度分析与合格性判定

陈晓怀,姜瑞,王汉斌,徐磊,程银宝,程真英

作者信息 +

Measurement uncertainty analysis of CMM in product inspection and conformance testing

CHEN Xiao-huai,JIANG Rui,WANG Han-bin,XU Lei,CHENG Yin-bao,CHENG Zhen-ying

Author information +

文章历史 +

摘要

采用测量系统分析方法,基于量值特性指标对三坐标测量机在产品检验中的不确定度进行评定。以测量不确定度作为产品检验的质量指标,结合产品设计精度,建立产品合格判定的误判率与产品设计公差、产品检验结果估计值和不确定度的数学模型。通过三坐标测量机对零件进行产品检验实验,对测量系统的量值特性给出合理评价,在产品检验不确定度评定基础上对产品的合格性做出判定,并计算可能存在的误判率,以验证理论方法的可行性与可操作性。

Abstract

Uncertainty of the CMM in product inspection was evaluated based on the indexes of quantum property by using the method of measurement system analysis. Using the measurement uncertainty as the quality index of product inspection, considering the accuracy of product design, the mathematical model of the misjudgment probability in product inspection was established, based on the tolerance of product design and the measurement result combining with its uncertainty. A product inspection experiment was conducted with CMM . The reasonable evaluation of the measurement system's indexes of quantum property were given, the conformity assessment was carried out based on the uncertainty of product inspection, misjudgment probability was calculated. Finally, the feasibility and operability of the method were verified.

导出引用

陈晓怀,姜瑞,王汉斌,徐磊,程银宝,程真英. CMM在产品检验中的不确定度分析与合格性判定[J]. 计量学报. 2017, 38(1): 51-55 https://doi.org/10.3969/j.issn.1000-1158.2017.01.11

CHEN Xiao-huai,JIANG Rui,WANG Han-bin,XU Lei,CHENG Yin-bao,CHENG Zhen-ying. Measurement uncertainty analysis of CMM in product inspection and conformance testing[J]. Acta Metrologica Sinica. 2017, 38(1): 51-55 https://doi.org/10.3969/j.issn.1000-1158.2017.01.11

中图分类号： TB92

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