Uncertainty of Measurement for Design Engineers

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• 作者：Władysław Jakubiec ; ^{wjakubiec@ath.bielsko.pl" class="auth_mail" title="E-mail the corresponding author} ; Wojciech Płowucha ; Paweł Rosner
• 关键词：coordinate measuring machines ; uncertainty evaluation ; geometrical product specifications
• 刊名：Procedia CIRP
• 出版年：2016
• 出版时间：2016
• 年：2016
• 卷：43
• 期：Complete
• 页码：309-314
• 全文大小：358 K

文摘

Paper presents simple software for evaluation of uncertainty for measurements carried out on CMMs. The input data are coefficients from MPE_E formulae for CMM as well as metrological characteristic (type of dimension or geometrical deviation). The evaluated uncertainty enables the designer preliminary judgement if the available measuring equipment enables proper verification of the products (if the assumed tolerances are not too narrow comparing to possibilities in the range of product verification). Attention is brought to the fact that on up-to-date technical drawings, to achieve unambiguous interpretation, more often tolerances of position and tolerance of profile any surface are used. The operation of the EMU-CMMUncertainty^TM software is discussed. On a few examples of coordinate measurement models the software principle of work is explained and uncertainty budgets presented.