Organizing the Process of the Time Costs Assessment in Manufacturing the Civilian Product Components at the Military-Industrial Complex Enterprises within the Tender Documentation Preparation Stage

Abstract

The paper presents results of analyzing application of the existing methods in labor standardization of the new range mechanical engineering components manufacture at the military-industrial complex enterprises. It shows insufficient effectiveness of the labor standardization methods caused by significant labor intensity and duration. Analytical, experimental-statistical and statistical methods in assessing the labor intensity are considered in relation to the following types of technological processes: single, standard/group and modular. At the stage of determining technical and economic indicators of the civilian products manufacture and in order to reduce the time required for estimating time costs at the military-industrial complex enterprises, a method for calculating labor intensity in manufacturing the new range components is proposed. It is based on geometric differentiation of the design and technological components elements, taking into account the machining cycle features. A component information model was constructed consisting of the unified design and technological elements, which parameters were identical to the turning and milling cycles. A list of structural and technological elements of components produced by turning and milling was compiled. Mathematical dependencies for calculating the machine-tool capacity in manufacturing each unified structural and technological element was developed. As an example, an information model of a body-type component was constructed. A model was developed in the Business Process Modeling Notation (BPMN) for the process of calculating labor intensity based on the concentration of functions within one structural unit that assessed labor intensity and made it possible to reduce the labor standardization duration. While the other units were providing information support for this process

The study was supported by RSF (project no. 22-79-10254). The study was carried out on the equipment of the Centre of collective use "State Engineering Center" of MSUT "STANKIN" supported by the Ministry of Education and Science of Russian Federation (project no. 075-15-2021-695 from 26.07.2021, unique identifier RF-2296.61321X0013)

Please cite this article in English as:

Umnov P.I., Dolgov V.A. Organizing the process of the time costs assessment in manufacturing the civilian product components at the military-industrial complex enterprises within the tender documentation preparation stage. Herald of the Bauman Moscow State Technical University, Series Mechanical Engineering, 2024, no. 2 (149), pp. 174--193 (in Russ.). EDN: VXUNSM

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