1_2023_sen_9

Title of the article ENVIRONMENTALLY SAFE LIQUID LUBRICANT FOR THE SAW CHAINS BASED ON THE COMBINED DISPERSION MEDIUM
Authors

ZAPOLSKY Andrey V., Specialist in the Introduction of New Technologies, LLC “Eurasia Lubricants”, Zaslavl, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

ZHORNIK Viktor I., D. Sc. in Eng., Prof., Head of the Department of Technologies of Mechanical Engineering and Metallurgy — Head of the Laboratory of Nanostructured and Superhard Materials of the R&D Center “Mechanical Engineering Technologies and Processing Equipment”, Joint Institute of Mechanical Engineering of the NAS of Belarus, Minsk, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.
In the section MECHANICAL ENGINEERING MATERIALS AND TECHNOLOGIES
Year 2023
Issue 1(62)
Pages 63–71
Type of article RAR
Index UDK 669.018.95
DOI https://doi.org/10.46864/1995-0470-2023-1-62-63-71
Abstract The realization of the synergistic effect is shown on the example of creating of the composite liquid lubricant with improved properties using the combined dispersion medium obtained by mixing of the vegetable and mineral oils. The lubricant for the saw chains and the method of its production are developed. The highly purified mineral oil of group III of the NS-4 brand is added to the rapeseed oil in the amount of 20.0…25.0 wt.%, and the complex of the calcium sulfonate with calcium carbonate in the amount of 1.5…2.0 wt.% is used as a multifunctional additive in the manufacture of this lubricant. The developed lubricant has the following characteristics: kinematic viscosity at 40 °C — 61…63 mm2/s; solidification temperature is –29 °C; flash point — 242…246 °C; welding load — 2,764 N; wear index — 0.39…0.41 mm; mass fraction of free organic acids — 1.3...4.7 mg KOH/g; degree of biodegradability — 88–89 %; warranty period of storage in an open container — 12 months.
Keywords liquid lubricant, saw chain, vegetable and mineral oils, combined dispersion medium, physicochemical properties, sedimentation stability, biodegradability
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