Justification of the practical application of jaw crushing machines with a non-linear cheek shape

One of the options for crushing rocks during their extraction, processing and enrichment is destruction in a jaw crushing machine. The ever-growing needs for increasing productivity and reducing the energy intensity of crushing processes cannot be met without upgrading the designs of crushers based on advanced scientific and technical experience. Only a certain combination of the structure of the drive mechanism, the shape and design of the cheeks can give a positive effect in solving the problem of increasing productivity. The article reveals the possibilities of practical application of crushing machines in which the shape of the cheeks differs from the rectilinear one. According to the results of the patent search, unique variants of technical solutions for both cheeks and drive mechanisms have been established, which are quite capable of finding wide application in certain operating conditions. Special attention is paid to the crushing machine, in which both cheeks have mobility. As a result of the analysis of the kinematics of a double-jaw crusher, data have been obtained that are fundamental in solving the issue of synchronizing the movement of the cheeks.

Koposov P. V., Zhukov I. A., Boiko V. S. Justification of the practical application of jaw crushing machines with a non-linear cheek shape. MIAB. Mining Inf. Anal. Bull. 2023;(11-1):102-115. [In Russ]. DOI: 10.25018/0236_1493_2023_111_0_102.

P.V. Koposov¹, Graduate Student, e-mail: pashakoposov@mail.ru,
I.A. Zhukov¹, Dr. Sci. (Eng.), Assistant Professor, Head of Chair, e-mail: tmmiok@yandex.ru, ORCID ID: 0000-0001-9068-3201,
V.S. Boiko¹, Student, e-mail: verboiko@mail.ru,
¹ Empress Catherine II Saint-Petersburg Mining University, 199106, Saint-Petersburg, Russia.

I.A. Zhukov, e-mail: tmmiok@yandex.ru.

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