DEVELOPMENT OF METHODS OF MONITORING AND DIAGNOSTICS OF OPERATIONAL PROPERTIES OF LUBRICANTS ACCORDING TO TRIBOTECHNICAL PARAMETERS
DOI:
https://doi.org/10.18372/0370-2197.1(90).15234Keywords:
technique, lubricating layer, antifriction properties, lubrication mode, wear, microhardnessAbstract
The application of software and hardware complex for evaluation of tribotechnical characteristics of triboelements is offered. The developed software and hardware complex for evaluation of tribotechnical characteristics of triboelements in the on-line mode provides control of kinetics of change of the moment of friction, temperature of the lubricant, speed of rotation of contact surfaces, the thickness of a lubricating layer. The advantages of the developed method of monitoring and diagnostics of operational properties of lubricants are the continuous evaluation of their lubricating, antifriction, wear-resistant and rheological characteristics in non-stationary friction conditions. The oil "Bora B" SM-9 were used to the approbate proposed method. Effective lubricating and antifriction properties characterize the investigated oil «Bora B» SM-9 both during start-up and at the studied maximum frequency of revolutions of friction pairs, providing the mainly hydrodynamic mode of lubrication in contact. The high effective viscosity characterizes the lubricant despite the high gradients of the shear rate in contact. It indicates the resistance of the components of the oil to destruction under conditions of increasing shear rate gradient. The high wear resistance of steel 40ХН is established, which is caused by the presence in the investigated lubricant of oil for hypoid gears TSgip. The effective tearing-protection additives in oil promote the formation of boundary adsorption layers on the friction-activated metal surface. These components lead to adsorption plasticization of the surface layers of the metal and increase their wear resistance. The considered technique can be applied to an estimation of operational properties of lubricants in a wide range of loading, kinematic and temperature factors.
References
Методы контроля и диагностики эксплуатационных свойств смазочных материа-лов по параметрам термоокислительной стабильности и температурной стойкости [Эле-ктронный ресурс]: монография / Ю. Н. Безбородов, Б. И. Ковальский, Н. Н. Малышева, А. Н. Сокольников, Е. Г. Мальцева .— Красноярск : Сиб. федер. ун-т, 2011 .— 367 с. — ISBN 978-5-7638-2225-0 .— Режим доступа: https://rucont.ru/efd/213853
Ludwig M. Simulation of Dynamic Lubricant Effects in Sheet Metal Forming Processes / M. Ludwig, C. Müller, P. Groche // Key Engineering Materials. – 2010. – Vol. 438. – P. 171-178.
Simulation of Tribosystems and Tribometrology / F. Franek, G. Vorlaufer, W. Edelbauer, S. Bukovnik // Tribology in industry. – 2007. – Vol. 29, № 1-2. – Р. 3-12.
Патент 88748, Україна, МПК G01N 3/56. Пристрій для оцінки триботехнічних ха-рактеристик трибоелементів / Мікосянчик О. О.; заявник та патентовласник Мікосянчик О. О. – № u 2013 13450; заявл. 19.11.2013; опубл. 25.03.2014, Бюл. № 6. – 4 с.
Патент 89261, Україна, МПК G01N 11/00. Спосіб оцінки динамічної ефективності в’язкості мастильних матеріалів в триботехнічному контакті / Мікосянчик О. О., Мнацаканов Р. Г., Кіндрачук М. В.; заявник та патентовласник Мікосянчик О. О., Мнацаканов Р. Г., Кіндрачук М. В. – № u 2013 14086; заявл. 04.12.2013; опубл. 10.04.2014, Бюл. № 7. – 4 с.
Трибология – машиностроению : Труды XI международной научно-технической конференции. — М.: Институт компьютерных исследований, 2016. — 290 с.
