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Aerospace Instrument-Making

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METHODS AND MEASURING TOOLS, TESTS AND OPERATION OF PRODUCTS IN AVIATION BRANCH
V.I. Pronyakin, E.V. Tumakova

In article the question of obtaining results of measurement and their processing for obtaining information on functioning of products of instrument making and mechanical engineering in the course of tests is considered. The metrological problems connected with measurement accuracy with the level of necessary technical information, primary converters taking into account service conditions and tests, interrelation of measuring information with a design and controlled processes in a product, etc. are put. The role of metrological level is shown in the solution of a problem by obtaining detail which has to be there higher than the level of stability of operation the gear and provide information on its work. One of the main problems of traditional approaches is lack of reliable repeatability of diagnostic signs. For devices, machines and gears this problem is solved by the phase-chronometric method. It is also specified the main objective of mathematical modeling in realization of interrelation between results of measurement and their processing with the structural elements and processes happening in gears. Results of comparison of processing of experimental data and a computing experiment by means of the mathematical model corresponding on accuracy level to the measurements received by means of highly effective the phase-chronometric of systems are presented.
Key words: instrument making, mechanical engineering, tests, technical preliminary treatment, metrological level, mathematical modeling, phase-chronometric method.

Contacts: E-mail: vip-u@yandex.ru

Pp. 30-36.

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