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.
INVESTIGATION OF RADIAL DEFORMATION OF NON-RIGID PARTS DURING ULTRASONIC BURNISHING WITH PRELIMINARY CLEARANCE
Simona PAULIKIENĖ – Department of Mechanical, Energy and Biotechnology Engineering, Faculty of Engineering, Agriculture Academy, Vytautas Magnus University (Studentų Str. 15A, Akademija, LT-53362 Kaunas District, Lithuania; e-mail: simona.paulikiene1@vdu.lt, https://orcid.org/0000-0002-8803-2941).
The article considers the process of ultrasonic burnishing of non-rigid parts with preliminary clearance and investigates the influence of processing parameters on the quality of the surface layer. The relevance of the study is обусловлена the need to improve the accuracy, wear resistance, and durability of machine parts while simultaneously reducing material consumption and manufacturing labor intensity. It is shown that conventional machining methods are inefficient for manufacturing parts of complex geometry and components made of difficult-to-machine materials; therefore, the application of ultrasonic surface plastic deformation methods is considered a promising approach.
The study examines the process of radial displacement of a part under the action of the ultrasonic burnishing force. Existing theoretical relationships for determining part displacement were analyzed, and it was established that the known calculation models do not accurately describe the actual deformation process. A refined relationship for determining part displacement based on the average burnishing force over the vibration period is proposed.
Experimental studies were carried out on specimens made of steel 45, bronze BrOF 6.5–0.15, and aluminum alloy D16T, which have different values of elastic modulus and rigidity. Burnishing was performed using a carbide spherical tool with ultrasonic vibrations. To measure part displacement, a special experimental setup equipped with a capacitive sensor and a dynamic displacement recording system was developed. Experimental values of part displacement were obtained and compared with theoretical calculations.
It was established that during ultrasonic burnishing with preliminary clearance, the magnitude of part displacement significantly depends on the rigidity of the workpiece material and the tool penetration depth. It was proven that, in order to ensure the required surface roughness and machining accuracy, the penetration depth should not exceed 7 μm, especially for parts made of materials with a low elastic modulus. The proposed ultrasonic burnishing method makes it possible to effectively process non-rigid parts while ensuring high surface layer quality parameters.
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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.
