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erreur au point de contrôle

datum error

industrie mécanique - acta.es

erreur au point de contrôle (d'un instrument de mesure)

datum error (of a measuring instrument)

industrie mécanique - lexique.mecaniqueindustrielle.com

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Evaluating downstream channel changes in response to a small dam removal on the calapooia river, oregon with respect to measurement errors and prior aerial photo observed changes... Three types of measurement error (position error, identification error, and wetted boundary datum error) were assessed for the field surveys and aerial photos in order make the two methods of measurement more comparable....

général - core.ac.uk - PDF: hdl.handle.net

A novel method of establishing “datum reference ” for the coaxiality measurements using the multi-section and multi-probe gauges... The new coaxiality measurement principle can separate the datum error of the coaxiality master theoretically and can improve the coaxiality measurement accuracy greatly with the common accuracy coaxiality master

PDF: www.scientific.net

Kinematic analysis of dimensional variation propagation for multistage machining processes with general fixture layouts... In this paper, a linear model is developed to describe the dimensional variation propagation of machining processes through kinematic analysis of the relationships among fixture error, datum error, machine geometric error, and the dimensional quality of the product....

PDF: citeseerx.ist.psu.edu

Machining accuracy on cnc lathes under the lack of unity of the process and design data ... In cases when the process datum is different from the design datum, datum errors may occur....