Khramshin V.R., Evdokimov S.A., Gasiyarova O.A., Loginov B.M., Karandaev A.S. Feasibility Study of the Elastic Moment Telemetric Monitoring System at the Main Line Rolling Stand

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Abstract

The literature review was used to prove the urgency of the electromechanical system state continuous monitoring at rolling stands. It was pointed out that a monitoring system must be developed to control the spindle elastic moment at plate rolling mills. The main purpose is to provide continuous monitoring of dynamic loads at the main line stand, which can detect fatigue damage. The paper gives the characteristics of the horizontal stand equipment at 5000 mill, PJSC “Magnitogorsk Iron and Steel Plant” (PJSC “MMK”). The main causes of spindles and roll failures were enumerated, the main one being load accumulation caused by dynamic overloads during the strip gripping by the rolls. The paper shows the real roll and spindle failures and electric drive oscillograph records in the operating emergency conditions. The measuring system of roll elastic deformation previously installed at the mill was considered. The efficiency of the elastic moment monitoring was proved. The main principles of the innovative telemetric online monitoring system of the elastic moment at the transfer rolls were introduced. Requirements to the system were developed and it was proposed to design it according to the modular approach. The main requirements were the ease of installation and the induction feeding of the measuring device. The paper listed and justified the application of modules providing data control, transfer and storage. To measure the elastic moment, it was recommended to apply resistance strain gauges switched in accordance with the balanced bridge scheme. It was proposed to use induction feeding of the measuring device installed at the shaft without any electric batteries. The paper justified the database structure, which includes the characteristic and the text databases, alarm signals databases and databases for long storage of information. The paper also showed the proposed layout of the developed system. The authors pointed out the relevance of its technical implementation and the advantages of its application provided by the product range extension and rolling mode optimization. It will also make it possible to prevent the damage caused by failures and provide the synergistic effect due to its implementation at the operating rolling mills.

Keywords

rolling stand, electromechanical system, spindle, elastic moment, monitoring, telemetric system, concept, feasibility, structure, modules

Vadim R. Khramshin D.Sc. (Engineering), Professor, Department of Industrial Electric Power Supply, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russia, This email address is being protected from spambots. You need JavaScript enabled to view it., https://orcid.org/ 0000-0003-0972-2803

Sergey A. Evdokimov Ph.D. (Engineering), Associate Professor, Department of Electronics and Microelectronics, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russia

Olga A. Gasiyarova Design Engineer, LLC Scientific and Production Enterprise "Uchtekh-Profi", Chelyabinsk, Russia

Boris M. Loginov Ph.D. (Engineering), Master’s Degree Student, Department of Mechatronics and Automation, South Ural State University (National Research University), Chelyabinsk, Russia, This email address is being protected from spambots. You need JavaScript enabled to view it..

Alexander S. Karandaev D.Sc. (Engineering), Professor, Chief Researcher, South Ural State University (National Research University), Chelyabinsk, Russia, This email address is being protected from spambots. You need JavaScript enabled to view it..

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Khramshin V.R., Evdokimov S.A., Gasiyarova O.A., Loginov B.M., Karandaev A.S. Feasibility Study of the Elastic Moment Telemetric Monitoring System at the Main Line Rolling Stand . Elektrotekhnicheskie sistemy i kompleksy [Electrotechnical Systems and Complexes], 2022, no. 3(56), pp. 70-79. (In Russian). https://doi.org/10.18503/2311-8318-2022-3(56)-70-79

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