2017
Постійне посилання на розділhttps://repository.kpi.kharkov.ua/handle/KhPI-Press/28160
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Документ The impact of selected environmentally friendly lubricants on the wear of the sliding bearing(НТУ "ХПІ", 2017) Rusnák, Juraj; Kadnár, Milan; Tóth, František; Bošanský, MiroslavThe paper presents the impact analysis of the selected environmentally friendly oils of the same viscosity class on the wear of the defined sliding bearing as a part of sliding matched-pair. Sliding bearing wear was assessed by means of the following parameters: changes in mass loss of the sliding matched-pair; changes in bearing surface roughness in the contact area; and changes in cylindricity tolerance. The results are statistically processed and shown in the provided figures and tables.Документ Tribological experiments in automobile industry(НТУ "ХПІ", 2017) Kadnár, Milan; Rusnák, Juraj; Tkáč, Zdenko; Bošanský, MiroslavThe competitive environment forces producers in automotive industry to decrease the costs. Producers as well as subsuppliers need to find possible savings. The paper presents results of laboratory experiments with real journal bearings made of bimetallic alloy realised to find out possible replacement of a rolling bearing by a journal bearing. The important correlation between results of laboratory experiments with a model of tribological system and the real journal node may by achieved by maximum approach of simulation features by real running conditions. Thus, the given experiment conditions result from the chosen application, i. e. steering servo unit. The experiments were realised on Tribotestor M’06 testing machine.