Failure analysis of main components of cone crushers

The study aimed to identify and analyze the most characteristic failures and their causes in components of cone crushers used at all the stages of ore crushing at mining and processing plants. This can help route further R&D on effective prevention of cone crusher failure. The failure analysis used statistical data on cone crusher failures at the Stoilensky Mining and Beneficiation Plant (Stoilensky GOK). The analysis revealed the types of intermittent failures in the components of cone crushers. The studies into the operation mode of the equipment and its failure cases made it possible to determine the major failure causes. Furthermore, the failure types were distinguished in terms of their predictability: predictable failures, weakly predictable failures and spontaneous failures. Based on the implemented studies, the priority ways of upgrading of cone crushers include: prediction of the first-type failures to determine the overhaul period; extension of overhaul period through improvement of manufacturing quality of liners as well by development of new forms and material for liners capable of longer wear resistance; prevention of the secondand third-type failures by engineering and introduction of new drive safety gears and elastic elements for efficient reduction of the amplitude of dynamic loads during feed and crushing, and also to break connection between the drive and the cone in case of overloading.

Keywords: cone crusher, crushing, crushing zone, failure, wear, dynamic loads, safety gears.
For citation:

Belov N. V., Borodina M. B., Smirnova O. A., Chasovskikh A. S. Failure analysis of main components of cone crushers. MIAB. Mining Inf. Anal. Bull. 2021;(3):17-27. [In Russ]. DOI: 10.25018/0236-1493-2021-3-0-17-27.

Acknowledgements:
Issue number: 3
Year: 2021
Page number: 17-27
ISBN: 0236-1493
UDK: 621.926.3
DOI: 10.25018/0236-1493-2021-3-0-17-27
Article receipt date: 10.03.2020
Date of review receipt: 08.09.2020
Date of the editorial board′s decision on the article′s publishing: 10.02.2021
About authors:

N.V. Belov1, Graduate Student, e-mail: belov_nv1975@mail.ru; Head of Processing Equipment Maintenance and Repair, JSC «Stoilensky GOK», Stary Oskol, Russia,
M.B. Borodina1, Cand. Sci. (Eng.), Assistant Professor, e-mail: borodina_marina@mail.ru,
O.A. Smirnova1, Graduate Student, Head of Science Department, e-mail: oksanchik200482@mail.ru,
A.S. Chasovskikh1, Student, e-mail: andreychas9708@gmail.com,
1 A.A. Ugarov Stary Oskol Technological Institute, National University of Science and Technology «MISiS» branch, 309530, Stary Oskol, Russia.

 

For contacts:

M.B. Borodina, e-mail: tomm_sti_misis@mail.ru.

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