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System of metrological assurance of traceability of measurements of mass geometry characteristics
https://doi.org/10.32446/0368-1025it.2020-12-28-34
Abstract
A system of metrological support is proposed that allows testing for type approval, verification and calibration of stands for measuring mass, coordinates of mass center and moments of inertia. The mathematical model of a special standard has been developed. It is based on the analytical principles for the determination of the mass center coordinates and inertia moments of homogeneous bodies with a regular geometric shape. The standard consists of a set of modules and fasteners of a special shape. Each module is a reference measure of both mass, center of mass coordinates, and moments of inertia, and can be used either separately or in a set with other modules. A scheme for transferring units of values from state primary standards of mass and length to stands using special standards has been developed. A method for calibration of special standards has been developed. It includes indirect measurements of the coordinates of the center of mass and moments of inertia based on the results of direct measurements of the mass and geometric dimensions of the standard modules’ elements, as well as measurements of the form deviations and deviations of position of the standard modules’ surfaces and static balancing of the standard. Technical requirements for special standards have been developed to minimize methodological measurement uncertainties when reproducing units of values by the standard. A line of special standards was created, their certification and approval in Rosstandart was carried out. Stand verification methods using special standards have been developed and approved. The type approval of two stands was carried out using special standards. The decision to grant a patent for the invention “Method for determining the error of the stand for measuring the characteristics of the mass geometry of products and a device for its implementation” was received.
About the Authors
O. V. Dovydenko
Central Aerohydrodynamic Institute
Russian Federation
Russian Federation
Olga V. Dovydenko
Zhukovsky, Moscow region
A. I. Samoylenko
Central Aerohydrodynamic Institute
Russian Federation
Russian Federation
Alexander I. Samoylenko
Zhukovsky, Moscow region
V. V. Petronevich
Central Aerohydrodynamic Institute
Russian Federation
Russian Federation
Vasiliy V. Petronevich
Zhukovsky, Moscow region
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Review
For citations:
Dovydenko O.V., Samoylenko A.I., Petronevich V.V. System of metrological assurance of traceability of measurements of mass geometry characteristics. Izmeritel`naya Tekhnika. 2020;(12):28-34. (In Russ.) https://doi.org/10.32446/0368-1025it.2020-12-28-34
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