Authors: A.V. Walter, V.V. Aksenov

Title of the article: The optimization of shells deviations resulting from an assembly of geokhod's bodies

Year: 2017, Issue: 3, Pages: 94-102

Branch of knowledge: Transport, mine and construction engineering

Index UDK: 622.002.5

DOI: -

Abstract: The article reviews the issues of improving the quality of geokhod shells manufacture. Testing of the prototype model of the geokhod ‘401’ has shown that the accuracy of the bodies’ shells directly affects the performance of the machine and requires a substantial improving. Deviations of shells that occur during assembly are close to the maximum allowable values. The urgency of the issue under review comes from the need to increase the geometric accuracy of the shells and to create the scientific and methodological basis for the development of effective technologies for manufacturing of the shell bodies. The main aim of the study is to develop methods of optimization of shell deviations which occur during the geokhod body assembly by setting the rational parameters for assembly adjustment. The methods used in the study are based on mathematical modeling, an analysis of the accuracy of assembly processes and nonlinear programming. The result of the study is the procedure for calculation of the integral evaluation of the accuracy of the geohod body shells that is based on the model of errors formation in the process of assembling. These expressions allowed formulation of the deviation optimization problem in conditions of restrictions for the tolerances and adjustment parameters. This paper gives the solution to this optimization task in the field of external parameters, commensurate with the requirements that have been established for products of a test geokhod model. The resulting solution can be used in the development of technological solutions to ensure the accuracy of the shells in the process of bodies manufacturing as well as when setting up the reasonable accuracy requirements to the sectors.

Key words: Geokhod shell deviation analysis of accuracy nonlinear programming optimization tolerance

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