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    Wyświetlanie 1-2 z 2
    Tytuł:
    Surface roughness investigation through interplay of cutting speed and thermal-assisted machining in high-speed machining of SKD11 steel
    Autorzy:
    Bui, Long-Vinh
    Mac, Thi-Bich
    Nguyen, Duc-Toan
    Powiązania:
    https://bibliotekanauki.pl/articles/28407323.pdf
    Data publikacji:
    2023
    Wydawca:
    Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
    Tematy:
    surface roughness
    high-speed milling
    thermal-assisted machining
    SKD11 steel
    Opis:
    This study aims to investigate the interplay between cutting speed and Thermal-Assisted Machining (TAM) concerning surface roughness during the high-speed machining of SKD11 steel. The integration of pre-cutting workpiece heating introduces a temperature factor that intricately affects surface roughness. The primary objective is to ascertain optimal speed and temperature ranges that synergistically enhance machining efficiency, curtail costs, and elevate surface quality. The experimental protocol initiates with room temperature milling of SKD11 steel, progressively elevating the temperature gradient to systematically appraise temperature's impact on surface roughness under both conventional and elevated cutting speeds. Subsequent experimentation, conducted within specific temperature thresholds, entails stepwise augmentation of cutting speed to elucidate the influence of high-speed conditions on surface roughness. The ensuing analysis meticulously examines the ramifications of distinct cutting speed intervals on surface roughness. Ultimately, the study furnishes pragmatic recommendations for judiciously selecting cutting speeds and heating temperature parameters across diverse machining scenarios.
    Źródło:
    Journal of Machine Engineering; 2023, 23, 4; 33--42
    1895-7595
    2391-8071
    Pojawia się w:
    Journal of Machine Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Forecasting of the productivity of parts machining by highspeed milling with the method of half-overlap
    Autorzy:
    Dobrotvorskiy, S.
    Basova, Y.
    Ivanova, M.
    Kotliar, A.
    Dobrovolska, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/328626.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    high-speed milling
    processing efficiency
    processing strategy
    half-overlap
    deformation component
    obróbka maszynowa
    frezowanie
    jakość
    wydajność
    prognozowanie
    Opis:
    In the article the technology of high-speed milling was observed as a key to the most promising methods of engineering products machining. It is indicated that the correct choice of the strategy for moving the cutting tool in the manufacture of products is the basis for ensuring the desired surface quality of the workpiece and its high processing efficiency. A review of the work devoted to the diagnosis of high-speed processing strategies was performed. Based on the up-to-date knowledge of the physics of the process of establishing of a qualitative surface, the article proposes to consider a new technology of high-speed milling with half-overlap. As the main idea of this technology, it is suggested to consider the work of the deformation component of cutting process as the main component of the complex energy-intensive process of high-speed milling. In addition, the paper suggests a technique for estimating the productivity of machining by the method of high-speed milling with half-overlap. It is theoretically justified that the specific productivity of the proposed technology is quite high Q=12.5÷4.2 cm2 /min and depends on the technological regimes. The place of technology of high-speed milling with half-overlap in the technological process of manufacturing details of any complexity was noted. The area of further research is indicated.
    Źródło:
    Diagnostyka; 2018, 19, 3; 37-42
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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