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Modernization problems of known equipment now are actual enough for different branches of the mechanical engineering. Therefore, a lot of time and efforts is spent on rationalization and automation of synthesis and analysis of modernized objects. The known methods and the software tools for synthesis and analysis of schemes of different equipment and technologies for the machine building production are not enough universal and labor-intensive, because a significant part of work for their realization is fulfilled by high-qualified specialists without of use of computers. There is an improved method of criterial synthesis and analysis elaborated in this article. This method allows with relatively small expenses of time to receive effective variants of different equipment with consideration of the all main initial conditions and parameters and with a possibility of determination with help of simple formulas of the most important criterions of their evaluation for founded selection of the most effective variant. Under realization of the proposed method as main initial parameters of the projected equipment for machining, loading-unloading or transportation are used: equipment destination, its admissible dimension, mass, working capacity, cost, power-consuming, accuracy. Taking in consideration these initial parameters at the next stages are selected admissible variants of modernization. Final evaluation and selection of the most prospective variants are made under criterions of admissible dimension, mass, working capacity, cost, power-consuming, degrees of standardization, unification and automation. At basis of the proposed method can be elaborated a computer program of automated synthesis and analysis for high-effective modernization of modern equipment and technologies for the machine building production.

USE OF CRITERIAL SYNTHESIS AND ANALYSIS FOR MODERNIZATION OF OBJECTS OF MACHINE BUILDING PRODUCTION