2023 № 98 Різання та інструменти в технологічних системах

Постійне посилання колекціїhttps://repository.kpi.kharkov.ua/handle/KhPI-Press/65691

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20232

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ORCID: search.filters.orcid.https://orcid.org/0000-0002-1147-7475

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  • Ескіз
    Документ
    Roundness error and topography of hard turned surfaces
    (Національний технічний університет "Харківський політехнічний інститут", 2023) Sultana, Jakiya; Sztankovics, István
    Accuracy and topography are significant indicators of precision machined high-quality surfaces. Case hardened steel (16MnCr5) was analyzed to obtain information about the effects of technological data and the connections between the analyzed accuracy (roundness) and roughness parameters (Sa, Sz, Ssk, Sku). It was found that the feed rate has a significant influence on the roundness and the roughness parameters, and there are strong relationships between the roundness and these roughness parameter values: the correlation coefficients varied between 0.78 and 0.85.
  • Ескіз
    Документ
    Analysis of selected function-defining 2D surface roughness parameters in tangential turning
    (Національний технічний університет "Харківський політехнічний інститут", 2023) Sztankovics, István
    Among other, more frequently analysed surface topography parameters, the function-defining parameters must be analysed in different machining procedures to outline their application possibilities. These values are the core roughness, the reduced peak height, the reduced valley depth, the skewness, and the kurtosis of the roughness profiles. Tangential turning is a promising machining procedure, which can produce ground-like surfaces with twist-free properties by defined cutting edged tools. The achievable productivity is also very high. Therefore, in this paper, these roughness parameters were analysed from 2D roughness profiles measured on surfaces machined by tangential turning.