Issue №: 2 (133)
The journal presents the results of scientific research and addresses current issues in the development and improvement of agricultural equipment and technologies, particularly in the design, production, and operation of machines and technical systems in the agro-industrial complex, including aspects of their efficient functioning.
ANALYSIS OF THE STRESS STATE OF A LOAD CHAIN LINK UNDER STATIC LOADING CONDITIONS
Bohdan SHELUDCHENKO – Candidate of Technical Sciences, Professor, Professor of the Department of Mechanical Engineering and Machine Building Technology, Polissya National University (7, Staryi Boulevard, Zhytomyr, 10008, Ukraine, e-mail: sheludchenkobogdan@ukr.net, https://orcid.org/0000-0002-8137-0905).
Yevgeny SYROID – Assistant of the Department of Mechanical Engineering and Machine Building Technology, Polissya National University (7, Staryi Boulevard, Zhytomyr, 10008, Ukraine, e-mail: syroides@ukr.net, https://orcid.org/0009-0000-6993-7430).
Oleg PLUZHNIKOV – Senior Lecturer of the Department of Mechanical Engineering and Machine Building Technology, Polissya National University (7, Staryi Boulevard, Zhytomyr, 10008, Ukraine, e-mail: torrent_17@ukr.net, https://orcid.org/0000-0002-9060-7775).
Yuriy PALADIYCHUK – Candidate of Technical Sciences, Associate Professor of the Department of Agroengineering and Technical Service, Vinnytsia National Agrarian University (3, Soniachna St., Vinnytsia, 21008, Ukraine, e-mail: rewet@vsau.vin.ua, https://orcid.org/0000-0003-4257-9383).
Universalization of regulated indicators of safety factors for a wide range of technical industrial chains and scientific substantiation of the service life of such chains is an important national and economic task. The purpose of this work is to study the stress state of the links of round-link cargo chains and substantiate proposals for the selection of their safety factors for use in machines and mechanisms of general mechanical engineering. Based on a comprehensive analysis of the components of the stress state of the arc section of the cargo round-link chain, performed using the developed visual cognitive model of this section, and taking into account the results of experimental tests of the mechanical characteristics of round-link chains of calibers 3, 4, 5, 6, 8 of class G80 according to the ASTM A391 standard, made of 20MnNiCrMo5-2 steel, a “sensitivity threshold” of the destructive stress of the link was established as an alternative to the value of the ultimate strength of the material from which the chain links are made. At the same time, the level of confidence probability for the obtained results is not worse than 0.96. It is proposed that in the case of using the “sensitivity threshold” of the destructive stress instead of the value of the material strength limit for the manufacture of cargo round-link chains, it is advisable to use general engineering standards for safety factors, which vary within 1.5…2.5. Prospects for further research are determined, which should be aimed at universalizing the characteristics of mechanical strength of a wide range of technical industrial chains.
The proposed analytical approach enables the improvement of strength assessment methods and optimization of safety factors for cargo round-link chains used in general mechanical engineering.
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About the journal
G8 – Materials Science
G9 – Applied Mechanics
G10 – Metallurgy
G11 – Mechanical Engineering (by specializations)
The journal "Engineering, Energy, Transport AIC" is indexed according to the following databases and catalogs:
The All-Ukrainian scientific journal “Technology, energy, agriculture transport AIC” is an open-access scientific publication that publishes the results of original research, theoretical and applied developments, as well as scientific papers in the fields of engineering sciences, energy systems, and transport technologies of the agro-industrial complex.
The main objective of the scientific journal “Technology, energy, agriculture transport AIC” is to disseminate the results of modern scientific research and to promote the development of technical, energy, and transport solutions for the agro-industrial complex through the publication of scientific materials characterized by scientific novelty and practical significance in the field of design and modernization of machinery, equipment, and technologies.
The journal’s activities are focused on supporting the development of engineering science, stimulating the implementation of innovative approaches into industrial practice, as well as ensuring effective exchange of scientific achievements among researchers, educators, engineers, and other specialists in relevant fields.
Objectives of the Journal
To achieve its defined objective, the journal ensures the implementation of the following key tasks:
· publication of the results of fundamental and applied research covering the fields of applied mechanics, mechanical engineering, materials science, energy systems, electrical engineering, electromechanics, and transport systems of the agro-industrial sector;
· promotion of the implementation of advanced technical and technological developments aimed at improving the efficiency of machinery, equipment, and production processes;
· creation of conditions for active scientific exchange among research institutions, higher education institutions, industrial enterprises, and other interested organizations;
· support for the development of interdisciplinary research and expansion of cooperation among specialists in various fields of science and technology;
· promotion of the improvement of the scientific and technical level of research related to the design, modernization, and operation of technical equipment used in agro-industrial production;
· dissemination of information on modern achievements in science and technology and the implementation of innovative technologies in the fields of technical support, energy, and transport;
· development of a scientific information environment that facilitates effective scientific communication and the integration of national research into the international scientific community.
Publication frequency: 4 issues per year
Languages of publication: Ukrainian, English
Editor-in-Chief: Vitalii YAROPUD
State Registration: Decision of the National Council of Ukraine on Television and Radio Broadcasting № 1337 and № 1180. Media Identifier: R30-05173
EDRPOU Code: 00497236
Publisher ROR: https://ror.org/05m3ysc06
Publisher DOI Prefix: 10.37128
Technology, energy, agriculture transport AIC is a scholarly professional journal with a long-standing history and stable academic tradition, reflecting the evolution of engineering and technical sciences within the agro-industrial sector of Ukraine.
The journal was founded in 1997 under the title Bulletin of Vinnytsia State Agricultural Institute. According to the Resolution of the Presidium of the Higher Attestation Commission of Ukraine dated September 11, 1997, the publication obtained the status of a professional scientific journal, which enabled the publication of the main results of doctoral and candidate dissertations in technical sciences. From its inception, the journal positioned itself as an academic platform for addressing current issues of mechanization, electrification, and technical support of agricultural production. During 2001–2014, the journal was published under the title Proceedings of Vinnytsia National Agrarian University. Series: Technical Sciences (State Registration Certificate of Print Media KV No. 16644-5116 PR dated April 30, 2010). Throughout this period, a systematic approach to the selection and peer review of scientific manuscripts was established, the thematic scope of publications was expanded, and continuity of scientific directions as well as the development of sectoral engineering schools was ensured. Since 2015, the journal has been published under its current title, Technology, energy, agriculture transport AIC (State Registration Certificate No. 21906-11806 R dated March 12, 2016). The change of title reflected the expansion of the journal’s thematic coverage and its orientation toward interdisciplinary research in mechanical engineering, energy systems, electrical engineering, transport technologies, automation, and digital solutions for the agro-industrial complex.
