Tractors and Agricultural MachineryTractors and Agricultural Machinery0321-44432782-425XEco-Vector6665210.31992/0321-4443-2019-3-70-75Research ArticleMethod of improving the service properties of the plowshare frame using abrasion-resistant surfacing materials and polymer compositesMihal'chenkovA. MDSc in Engineeringmihalchenkov.alexandr@yandex.ruMihal'chenkovaM. Amihalchenkov.alexandr@yandex.ruPetrakovM. APhD in Pedagogikmihalchenkov.alexandr@yandex.ruGucanA. Amihalchenkov.alexandr@yandex.ruBryansk State Agrarian University15062019863707528042021Copyright © 2019, Mihal'chenkov A.M., Mihal'chenkova M.A., Petrakov M.A., Gucan A.A.2019The presence of intensive cultivation of agricultural crops in modern agriculture contributes to the in-creased wear rate of plowshares due to high plowing speeds. The use of well-known hardening methods is reduced to the use of hard alloys as coatings for working surfaces, which currently does not allow that currently does not allow to achieve a significant increase in the resource of the ploughshares, especially their frame (if the ploughshare is composite). The reason for this is the absence of an anti-abrasive coating over the entire volume of the friction surface of the part, which limits the working condition, which reaches 50 or more millimeters (undercutting-blade area). Such a significant value allows the use of various technological options to improve the resistance to abrasive wear, including the use of abrasion-resistant materials of different nature. Therefore, the task was to develop and test in real conditions the hardening technology, which provides a significant increase in abrasive resistance and durability, while maintaining the geometric parameters established by the technical conditions when performing agrotechnical requirements for tillage. The proposed technological process of hardening consists in surfacing the blade on the back side of the frame of the composite plowshare with a hard alloy. On the working surface, two rollers of increased hardness are formed along the edges of the blade and undercut areas, and the gap between them is filled with a glue-resin abrasive resistant composite. In this case, the entire area of the working surface (friction surface) of the undercutting-blade part is covered by reinforcing coatings (weld metal and composite). As a result of testing the developed hardening technology with the use of high-hardness alloys and an abrasion-resistant epoxy-based polymer composite with gravel filler, the durability of parts was increased by a factor of 1,6 compared with factory-made components.служебные свойстваостов лемехаизносостойкостьресурсабразивостойкие материалынаплавкаполимерные композиты[Титов Н.В., Коломейченко А.В., Виноградов В.В. Анализ перспективных способов упрочнения рабочих органов почвообрабатывающих машин // Техника и оборудование для села. 2013. № 10. С. 33-36.][Серов Н.В., Серов А.В., Бурак П.И. Технология упрочнения лемехов плуга электроконтактной приваркой // Труды ГОСНИТИ. 2015. Т. 121. С. 287-290.][Булычев В.В., Пономарев А.И., Голубина С.А. Совершенствование технологий упрочняющей наплавки деталей плугов на основе применения вибродуговых процессов // Тракторы и сельхозмашины. 2010. № 4. С. 54-56.][Михальченков А.М., Лялякин В.П., Кожухова Н.Ю., Горбачев Р.В. Возобновление ресурса лемехов // Сельский механизатор. 2013. № 2. С. 34-35.][Сидоров С.А., Миронов Д.А. Обоснование повышения эксплуатационно-ресурсных характеристик лемехов плугов // Сельскохозяйственные машины и технологии. 2013. № 6. С. 14-17.][Ткачев В.Н. Индукционная наплавка рабочих органов почвообрабатывающих машин // Повышение износостойкости рабочих органов почвообрабатывающих машин. Ростов-на-Дону: ЦБТИ, 1962 С. 16-20.][Михальченков М.А., Якушенко Н.А. Способ упрочняющего восстановления плужного лемеха: патент России № 2544214. Российская Федерация; 2015. Бюл. № 7.][Козарез И.В., Ториков В.Е., Михальченкова М.А. Анализ и особенности износов плужных лемехов различных конструкций и динамика их изнашивания // Труды инженерно-технологического факультета Брянского государственного аграрного университета. 2015. № 1. С. 126-154.]