title: ÐÐ½Ð°Ð»Ð¸Ð· Ð¸ ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ°Ð»ÑÐ½Ð¾Ðµ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ ÑÑÐ°Ð»ÐµÐ¹, Ð¿ÑÐ¸Ð¼ÐµÐ½ÑÐµÐ¼ÑÑ Ð´Ð»Ñ Ð¸Ð·Ð³Ð¾ÑÐ¾Ð²Ð»ÐµÐ½Ð¸Ñ Ð·ÑÐ±ÑÐµÐ² ÐºÐ¾Ð²ÑÐµÐ¹ ÐºÐ°ÑÑÐµÑÐ½ÑÑ ÑÐºÑÐºÐ°Ð²Ð°ÑÐ¾ÑÐ¾Ð²
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Analysis and experimental study of steels used for the manufacture of bucket teeth of quarry excavators
Creators: name: ÐÐ°Ð»Ð°ÑÐ°, ÐÑÐ´Ð¼Ð¸Ð»Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: Ð­ÐºÑÐºÐ°Ð²Ð°ÑÐ¾ÑÑ
Ð­ÐºÑÐºÐ°Ð²Ð°ÑÐ¾ÑÐ½ÑÐµ ÐºÐ¾Ð²ÑÐ¸
Ð¡ÑÐ°Ð»Ñ Ð»ÐµÐ³Ð¸ÑÐ¾Ð²Ð°Ð½Ð½Ð°Ñ
Ð¡ÑÐ°Ð»Ñ
ÐÐµÑÐ°Ð»Ð»Ñ
Ð¡Ð¿Ð»Ð°Ð²Ñ
ÑÐ°Ð±Ð¾ÑÐ¾ÑÐ¿Ð¾ÑÐ¾Ð±Ð½Ð¾ÑÑÑ
efficiency

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description: The mining industry is the main base of the country's industrial potential, a significant part of which is the development and extraction of various rocks and minerals. The main type of machines used in quarry mining are powerful excava-tors, which make up the main part of the equipment fleet of mining enterprises. Operating companies suffer large losses due to wear and tear of the teeth of excavator buckets, so improving the quality of the tooth material is an urgent task. In this paper, the influence of the quality of casting, including the cast structure of the material on the performance of the teeth of quarry excavators is considered. As an object of research, the teeth of the buckets of quarry excavators were used after longterm operation. The actual condition of the bucket teeth of mining excavators was investigated and the microstructure, hardness and worn surfaces of the teeth were analyzed. The study showed that the efficiency of excavator bucket teeth is determined by the level of unevenness of the microstructure and the presence of casting defects. In the course of the study, the main directions of improving the efficiency of the bucket teeth of quarry excavators were identified.