ANALYSIS OF INSTALLATION AND BASISING METHODS OF NODES OF TECHNOLOGICAL LINES OF METALLURGICAL SHOPPING PLANTS
Abstract
Rolling production is the final stage of the metallurgical cycle, and the quality of finished products supplied to the consumer directly depends on the coordinated operation of all technological units. The high level of wear and tear of the main production assets of metallurgical enterprises necessitates not only their renewal, but also the constant modernization of outdated equipment. Since renewal is carried out in the conditions of existing production, this process involves complex installation work to integrate new or reconstructed equipment into already functioning production lines.Operation of mechanical equipment is a set of three interdependent processes: performance of technological operations, wear during operation and performance of repair actions to restore operability. The rate of wear of machines and mechanisms depends on both the intensity of technological actions and the quality of installation work, lubrication modes of friction units, periodicity and completeness of technical maintenance.The reliability of machines depends on the quality of design, technological and assembly work. Errors in dimensions, configuration, mutual arrangement of parts can lead to an unacceptable increase in forces and emergency failures. For metallurgical equipment, such errors often appear during assembly, which is understood as a set of operations to connect parts into a product. Thus, an important issue arises of establishing optimal methods for assembling metallurgical equipment in the conditions of a manufacturing enterprise in view of the possibility of minimizing all possible errors in assembly work.Known methods of assembly and verification of basic parts of technological equipment are somewhat outdated and require constant and continuous improvement. The most accurate and fast method of controlling the accuracy of assembly and installation of basic parts is optical-geodetic, which allows you to free up to 20% of working personnel and at the same time save up to 30% of working time compared to the string method of controlling the assembly of metallurgical equipment units.
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