SIMULATION OF INFLUENCE OF BASING HOLES RELATIVE POSITION ON THE ACCURACY OF LOCATION OF RMS AUTOMATICALLY CHANGEABLE UNITS


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Abstract

The article covers the issues of provision of accuracy of location of automatically changeable units when repackaging the work station of repackaged production systems. The study showed the influence of basing holes relative position on the accuracy of location of automatically changeable units during multisided treatment of parts. To resolve the issues of multisided treatment of parts, the author suggested the model of automatically changeable unit – part carrier for simulation of issues of assurance of accuracy of location on the work station of repackaged production system. The author offers the carrier design in the form of a prism where the basing holes are located on the side edges, and the tool set and the parts are installed in the plane of each edge. In this case, the parts position dimensioned repetitiveness against the work station production units and the equal structural stiffness of carrier body in the directions of parts treatment. The article considers the model of system of equally spaced basing holes for simulation of the carrier accuracy of location. The parameters characterizing the accuracy of processing of each basing hole are defined on the basis of dimensional analysis. The study showed the influence of relative position of each basing hole of the carrier on the accuracy of the part processing. To specify the conditions of treatment of basing holes using the automated equipment, the author determined the parameters of treatment which should be ensured to resolve the issues of accuracy of location of the carrier on the work station. The requirements for technology process of production of basing holes were determined on the basis of simulation of dimensional conjunctions. The study showed the necessity of taking into account the decrease of accuracy of their relative position in the result of processing.

According to the simulation results, the ensuring of required relative position of basing holes during their processing will allow to meet the requirements for relative position of the carriers of the repackaged production systems.

About the authors

Denis Gennadyevich Levashkin

Togliatti State University, Togliatti

Author for correspondence.
Email: LevashkinD@rambler.ru

candidate of technical sciences, assistant professor of the Department «Equipment and technology of engineering production»

Россия

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