Kinematic efficiency factor of a drive mechanism design for the jaw crusher actuator
G.D. Pershin1, V.V. Melnik2, E.G. Pshenichnaya1, I.A. Pytalev1, A.I. Kurochkin1
1 Nosov Magnitogorsk State Technical University, Magnitogorsk, Russian Federation
2 National University of Science and Technology “MISIS”, Moscow, Russian Federation
Russian Mining Industry №4/ 2026 p. 118-122
Abstract: The use of solid minerals extracted from the earth’s subsoil in the mining and road construction industries is impossible without the processes of their crushing and grinding. Therefore, throughout the history of industrial production, crushing processes have been continuously improved in order to create high-performance and low-energy crushing machines. At present, as a result of many years of experience in the manufacturing and operation of crushing machines, broad industrial applications have been found for jaw crushers with both simple and complex moving plate paths, which basic kinematic designs were proposed more than a hundred years ago. All the subsequent attempts to upgrade these designs to improve productivity were not successful. For a correct practical assessment of the effects that various structural designs of the jaw crushers have on their technical and economic indicators, a kinematic efficiency factor of the drive is proposed for these crushers. The idea of the developed procedure is that the proposed grain-size model of crushing and location of the fragments inside the chamber takes into account its longitudinal dimensions and the speed of the one-stage process of hard rock crushing. The authors have developed and proposed a new criterion of the crushing process efficiency, i.e. the kinematic efficiency factor, which is proposed to be used in comparative efficiency analysis of all the existing and proposed designs of jaw crushers.
Keywords: rocks, jaw crusher, reduction ratio, particle-size distribution in crushing, energy of disintegration process, simple paths of the moving plate
For citation: Pershin G.D., Melnik V.V., Pshenichnaya E.G., Pytalev I.A., Kurochkin A.I. Kinematic efficiency factor of a drive mechanism design for the jaw crusher actuator. Russian Mining Industry. 2026;(4):118–122. (In Russ.) https://doi.org/10.30686/1609-9192-2026-4-118-122
Information about the article
Received: 07.03.2026
Received after peer review: 04.05.2026
Accepted for publication: 26.05.2026
Information about the authors
Gennady D. Pershin – Dr. Sci. (Eng.), Professor, Associate Professor of the Department of Mining Machines and Transport-Technological Complexes, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Vladimir V. Melnik – Dr. Sci. (Eng.), Professor, Head of the Department of Geotechnologies for Subsurface Development, National University of Science and Technology “MISIS”, Moscow, Russian Federation; https://orcid.org/0009-0008-8678-8324; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Elena G. Pshenichnaya – Cand. Sci. (Eng.), Senior Lecturer of the Department of Mechanics, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Ivan A. Pytalev – Dr. Sci. (Eng.), Professor, Director of the Institute of Mining and Transport, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russian Federation; https://orcid.org/0000-0002-5415-8079; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Anton I. Kurochkin – Cand. Sci. (Eng.), Associate Professor, Head of the Department of Mining Machines and Transport-Technological Complexes, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russian Federation; https://orcid.org/0000-0003-3287-4653; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
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