Introduction of evaluation procedure of excavator bucket teeth into maintenance and repair: Prompts

Major components of excavators operating in complex geological conditions are subject to heavy wear, which greatly affects productivity of the machines, leads to increased downtime and can be a cause of accidents. A common system of maintenance and repair in industry is planned maintenance without evaluation of current condition of excavator components such as bucket teeth and their crowns, which can worsen efficiency of excavators. Many equipment manufacturers select to shift to the maintenance and repair on the basis of the current status evaluation and technical diagnosis of machines as such system demonstrates higher efficiency than planned maintenance. For making the planned maintenance more efficient at mineral deposits with difficult geological conditions, a procedure is developed for evaluating current condition of major excavator components on the basis of bucket tooth diagnostics by monitoring the hardness and defective factor of the surface layer. The article gives some prompts on introduction of the proposed procedure into maintenance and repair system in order to enhance efficiency of excavators when operating under conditions of spontaneous coal combustion.

Gromyka D. S., Gogolinskiy K. V. Introduction of evaluation procedure of excavator bucket teeth into maintenance and repair: Promptse. MIAB. Mining Inf. Anal. Bull. 2023;(8):94-111. [In Russ]. DOI: 10.25018/0236_1493_2023_8_0_94.

D.S. Gromyka¹, Graduate Student, e-mail: poloronta@yandex.ru, ORCID ID: 0000-0002-1976-150X,
K.V. Gogolinskiy¹, Dr. Sci. (Eng.), Assistant Professor, e-mail: nanoscan@yandex.ru, ORCID ID: 0000-0003-4908-0657,
¹ Saint-Petersburg Mining University, 199106, Saint-Petersburg, Russia.

D.S. Gromyka, e-mail: poloronta@yandex.ru.

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