DEVELOPMENT OF INDICATORS FOR ASSESSMENT OF PARTS OPERABILITY IN THE SYSTEM OF PLANNING OF ENGINEERING MECHANICAL PROCESSING


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Abstract

The decisions made at the stages of design-engineering preparation during the production effectiveness evaluation, which allows defining the compliance of planned for processing parts set with the possibilities of manufacturing system and providing achievement of the highest operability and efficiency of manufacturing processes, play the significant role in the product life cycle. The paper presents the methods of quantitative assessment of the products operability which take into account the feasibility of use of equipment for their production and allow creating the formalized procedures for the structure production effectiveness provision. Within the developed methodology for quantitative assessment of additional operability indicators which take into account the specificity of technological preparation of single-unit, small-series and medium-scale production, the authors revealed the interrelations between the operability and its impact on the technological components of the specified nomenclature processing within the specified manufacturing system, proved the structure of additional quantitative indicators of operability assessment within the system of planning of multiproduct engineering processes. The methodology of defining additional quantitative indicators is developed in the form of independent design procedures which include the examination of the parts design characteristics for the feasibility of their production within the specified manufacturing system with the account of processing machine’s capabilities, determination of the equipment capacity utilization, assessment of the manufactured parts set according to the form uniformity index and design characteristics of surfaces as the parts components, and the conclusion about the degree of their unification, predictive modeling of technical-and-economic indices of the planned parts nomenclature production. The additional quantitative indicators for operability assessment offered in the paper increase knowledge being obtained on the basis of analysis of the parts design elements and manufacturing system capabilities for their production on the stage of production effectiveness assessment during the technological preparation of production in order to improve the efficiency of multiproduct manufacturing systems functioning. 

About the authors

Larisa Gennadyevna Bokova

Yuri Gagarin State Technical University of Saratov, Saratov

Author for correspondence.
Email: bokovalg@mail.ru

PhD (Engineering), assistant professor of Chair “Development of engineering and technological complexes”

Russian Federation

Petr Yurievich Bochkarev

Yuri Gagarin State Technical University of Saratov, Saratov

Email: bpy@sstu.ru

Doctor of Sciences (Engineering), Professor, Head of Chair “Development of engineering and technological complexes”

Russian Federation

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