THE STATE AND WAYS TO IMPROVE THE EFFICIENCY OF THE MATERIAL MOVEMENT PROCESS MANAGEMENT IN THE PROCESSING OF EXTERNAL WAGON TRAFFIC OF METALLURGICAL ENTERPRISES

Abstract

The external wagon flow of a large metallurgical enterprise was identified with the development of a concept of dual operations. Four functional stages of processing an external carriage stream in the process of material movement were identified: unloading of bulk raw materials in the transport and cargo complex, selection of cars for loading in the transport complex, loading of finished products in the transport and cargo complex of the workshop, and sending cars to an external network. Each stage was investigated from the point of view of the used technical means, technology and organization of the interaction of production and transport links during the promotion of wagons of the external fleet, as well as the management of stream processes during cargo processing. Factors were identified that affect the duration of processing of the external car flow at each stage. It has been established that the longest duration of rolling stock during double operations, as well as the influence of various factors, are characterized by transport and cargo complexes for unloading raw materials and shipping finished products, in which transport technology interacts directly with production and, often, adapts to the latter. This circumstance significantly complicates the work of transport in terms of the dynamics of both the production process and the external environment, which leads to an increase in transportation costs of the enterprise during the turnover of wagons of the external fleet. The studies conducted allowed us to identify ways to solve the problem associated with the development of optimization models for the operation of PTS subsystems using production resources, their integration into a single system and the transition to logistics management of the material movement process. The basis of system control of stream processes is the Just-in-time concept, which allows you to create the optimal system cycle of dual operations, ensuring the efficiency of the enterprise’s production process.