Test bench for determining the moment of friction rolling bearings of cone drill bit

The article discusses the method of determining the moment of friction of the bearing of a drill cone bit. The design of which does not contain separators and is characterized by increased clearance. To determine the moment of friction under these conditions, a simple design of the test bench is proposed, which includes a load and a counterweight connected by a thread thrown over a rolling bearing. As a result, it is shown that the available design of the stand and simple calculations make it possible to determine the reduced moment of rest friction for the conditions of non-standard multi-row bearings of bearings drill bit. The proposed design of the stand and method of calculating moment friction are in demand for assessing resource of the bearings drill bit, the design of which do not contain separators and are characterized by increased clearances.

Simisinov D. I., Volkov E. V., Afanasyev A. I., Zubov V. V. Test bench for determining the moment of friction rolling bearings of cone drill bit. MIAB. Mining Inf. Anal. Bull. 2022;(11-2):106-113. [In Russ]. DOI: 10.25018/0236_1493_2022_112_0_106.

The study was carried out in accordance with the state assignment of the Ministry of Education and Science of Russia to perform research for the Ural State Mining University.

D.I. Simisinov¹, Cand. Sci. (Eng.), Assistant Professor, Head of Chair, e-mail: 7sinov@mail.ru, ORCID ID: 0000-0001-6095-0073,
E.B. Volkov¹, Cand. Sci. (Eng.), Head of Chair, e-mail: gmf.tm@m.ursmu.ru, ORCID ID: 0000-0002-8313-3137,
A.I. Afanasyev¹, Dr. Sci. (Eng.), Professor, e-mail: gmf.tm@m.ursmu.ru, ORCID ID: 0000-0002-7869-9208,
V.V. Zubov¹, Cand. Sci. (Eng.), Assistant Professor, e-mail: v.zubov.r66@yandex.ru, ORCID ID: 0000-0003-0659-9870,
¹ Ural State Mining University, 620144, Ekaterinburg, Russia.

D.I. Simisinov, e-mail: 7sinov@mail.ru.

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