03. Aleshkin A.V., Bulatov S.Yu., Nechaev V.N., Nizovtsev S.L. Substantiation of the Structural and Technological Parameters of the Working Body of the Milling Grain Shredder

DOI: 10.15507/2658-4123.033.202301.037-051

Substantiation of the Structural and Technological Parameters of the Working Body of the Milling Grain Shredder

Aleksey V. Aleshkin
Dr.Sci. (Engr.), Professor of the Chair of Mechanics and Engineering Graphics, Vyatka State University (36 Moskovskaya St., Kirov 610000, Russian Federation), ORCID: https://orcid.org/0000-0002-6949-1480, Researcher ID: ABA-6228-2020, Scopus ID: 57190028500, This email address is being protected from spambots. You need JavaScript enabled to view it.

Sergey Yu. Bulatov
Dr.Sci. (Engr.), Professor of the Chair of Technical Service, Nizhny Novgorod Engineering-Economic State University ( 22a Oktyabrskaya St., Knyaginino 606340, Russian Federation), ORCID: https://orcid.org/0000-0001-9099-0447, Researcher ID: ABC-3577-2020, This email address is being protected from spambots. You need JavaScript enabled to view it.

Vladimir N. Nechaev
Cand.Sci. (Engr.), Associate Professor of the Chair of Technical and Biological Systems, Nizhny Novgorod Engineering-Economic State University (22a Oktyabrskaya St., Knyaginino 606340, Russian Federation), ORCID: https://orcid.org/0000-0002-7566-6013, Researcher ID: ABC-4742-2021, This email address is being protected from spambots. You need JavaScript enabled to view it.

Sergey L. Nizovtsev
Dr.Sci. (Engr.), Postgraduate Student, Nizhny Novgorod Engineering-Economic State University (22a Oktyabrskaya St., Knyaginino 606340, Russian Federation), This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract
Introduction. One of the main components in the diet of farm animals is concentrated feed, which in Russia is grinded by shredders. At the same time, in the final product, there is a high dust content, which can be reduced by using grinders with a different principle of grinding. The design of a milling shredder, in which grains are crushed by cutting, is proposed.
Aim of the Article. The article presents theoretical studies of the influence of design and technological parameters of a milling shredder on the conditions of grain motion along the tooth of the working body.
Materials and Methods. The theoretical study of the developed shredder was carried out using averaged acceleration methods. The tooth surface of the working organ was studied.
Results. As a result of theoretical studies, equations describing the motion of a particle along the working body tooth surface were obtained. There has been developed a program to facilitate the process of analyzing the influence of the structural and technological parameters of the shredder on the process of particle motion along the tooth surface.
Discussion and Conclusion. There is a directly proportional decrease in the time of motion of the particle along the working body tooth surface with increasing the angular velocity. At the same time, increasing the angle leads to the increase of the time of the particle along the tooth surface. The increase of angular velocity values leads to decreasing particle displacement along the axis. At the angle of 45° displacement along the axis is 1.1‒1.5 times less than at an angle of 70°. At high angular velocities, the moving along the axis is minimal. The analysis, given the need to create a smoother motion of the particle along the helical line, shows that the most rational will be the following values: angle 70° and angular velocity of the working body 185‒206 rad/s.

Keywords: concentrated feed, shredder, milling shredder, tooth of the working body, grain

Conflict of interest: The authors declare no conflict of interest.

For citation: Aleshkin A.V., Bulatov S.Yu., Nechaev V.N., Nizovtsev S.L. Substantiation of the Structural and Technological Parameters of the Working Body of the Milling Grain Shredder. Engineering Technologies and Systems. 2023;33(1):37‒51. doi: https://doi.org/10.15507/2658-4123.033.202301.037-051

Authors contribution:
A. V. Aleshkin – developing the theoretical background, writing the program.
S. Yu. Bulatov – scientific guidance, formulation of the main directions of research, critical analysis and revision of the text.
V. N. Nechaev – preparation of the initial version of the article, design of graphic material, analysis of the results.
S. L. Nizovtsev – formulating the purpose of the research, conducting a review of literary sources.

All authors have read and approved the final manuscript.

Submitted 06.12.2022; revised 26.12.2022;
accepted 29.12.2022

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