2023 № 98 Різання та інструменти в технологічних системах

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

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Ключове слово: search.filters.subject.3D surface topography

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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
    Determination of reliable area sizes for 3D roughness measurement
    (Національний технічний університет "Харківський політехнічний інститут", 2023) Zaghal, Jawad; Benke, Márton
    Surface roughness characterization plays an important role in the qualification of machined surfaces. As a result of the development of high resolution 3D scanning techniques, researchers and technologists have more possibilities to analyze surface topography in a more detailed way. The purpose of this study is determining the minimal measurement area size of surfaces hard machined by single-point and abrasive tools. Some important height parameters were analyzed: Sa, Sq, Sp, Sv, Ssk and Sku. It was found that the minimum area sizes vary for the different roughness parameters, however, in several cases minimization is possible, depending on the purpose of the surface analytics.