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Wyszukujesz frazę "Tymoshenko, N." wg kryterium: Autor


Wyświetlanie 1-1 z 1
Tytuł:
Probability-statistical estimation method of feed influence on the tangential cutting force under turning
Autorzy:
Krupa, V.
Tymoshenko, N.
Kobelnyk, V.
Petrechko, I.
Powiązania:
https://bibliotekanauki.pl/articles/2201054.pdf
Data publikacji:
2022
Wydawca:
Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:
tangential cutting force
cutting depth
stochasticity feed
distribution law
distribution characteristics
siła skrawania
głębokość skrawania
posuw
rozkład
Opis:
Purpose This research aims to develop the mathematical model and propose a method for estimating the feed stochasticity impact on the tangential cutting force during turning. The main reason for this research is that the existing models for determining the tangential component of the cutting force do not take into account the stochasticity of the feed rate. Design/methodology/approach Measurements of tangential cutting force during turning on general-purpose lathes with known feed dispersion parameters were made. The mathematical model was developed, and dispersion characteristics (mean value, dispersion and mean square deviation) of the tangential cutting force component depending on the corresponding dispersion characteristics of the feed rate were obtained. The method of assessing the impact of stochasticity of the feed rate on the tangential cutting force is proposed. Findings As the result of the carried-out investigations, it is proved that the stochasticity of the feed rate affects the dispersion of the tangential cutting force during turning. For specific conditions, the share of feed stochasticity in the dispersion of tangential cutting force component is from 40 to 60% and should be taken into account while prescribing rational cutting modes. Practical implications The obtained results make it possible to adjust the cutting modes, particularly the amount of feed, under the conditions of real equipment to ensure certain power characteristics of the cutting process to prevent overloads during cutting. This investigation benefits to the establishment of additional factors affecting oscillations in the cutting process. Originality/value The probabilistic-statistical approach is used in this investigation in order to prove that the stochasticity of the feed rate affects the dispersion of the tangential cutting force component.
Źródło:
Journal of Achievements in Materials and Manufacturing Engineering; 2022, 114, 1; 22--31
1734-8412
Pojawia się w:
Journal of Achievements in Materials and Manufacturing Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-1 z 1

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