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Постійне посилання на розділhttps://repository.kpi.kharkov.ua/handle/KhPI-Press/35393

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2021 - 20222

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Автор: search.filters.author.Molnar, ViktorКлючові слова: search.filters.subject.3D surface roughness

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Зараз показуємо 1 - 2 з 2
  • Ескіз
    Документ
    Wear resistance of hard turned surfaces
    (Національний технічний університет "Харківський політехнічний інститут", 2022) Molnar, Viktor
    The quality of working surfaces plays an important role in automotive industrial components. One of the main characteristics of such surfaces is their wear resistance. In this study external cylindrical surfaces were analyzed. A Design ofExperiment methodology was applied and hard turning experiments were carried out to analyze the effects of the cutting parameters on the 3D surface roughness values of reduced peak height, skewness and kurtosis. The study confirmed earlier findings that at lower feed the wear resistance is higher based on the analyzed roughness parameters. The cutting speed and the depth-of-cut do not influence these parameter values significantly.
  • Ескіз
    Документ
    Tribology and topography of hard machined surfaces
    (Національний технічний університет "Харківський політехнічний інститут", 2021) Molnar, Viktor
    In machining automotive industrial parts by hard machining procedures, the topographic characteristics of high accuracy surfaces have high importance. In this paper 2D and 3D surface roughness features of gear bores machined by hard turning and grinding are demonstrated. The 3D roughness parameters, which are considered as more exact than the 2D parameters, were compared to the 2D ones, which are used more widely in industrial practice. The analyzed machining procedure versions were ranked based on the topographic parameters determining the tribological (wear and oil-retention capability) characteristics of the different surfaces.