Browsing by Author "Breshev, Oleksii Volodymyrovych"

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    Study of the dynamics of spindle shaft on gas-static bearings
    (National Aviation University, 2024-03) Breshev, Oleksii Volodymyrovych; Nosko, Pavlo Leonidovych; Bashta, Oleksandr Vasylovych; Bashta, Alla Oleksiivna; Radko, Maksym Olehovych; Брешев, Олексій Володимирович; Носко, Павло Леонідович; Башта, Олександр Васильович; Башта, Алла Олексіївна; Радько, Максим Олегович
    This study delves into the complex dynamics of spindle shafts mounted on gas-static bearings, employing computational experiments and analysis to reveal crucial insights for optimizing high-precision machining processes. We identify natural frequencies and resonant tendencies of spindle vibrations through advanced Finite Element Method (FEM) simulations, highlighting their impact on operational stability and machining quality. Deliberately introduced imbalances further illuminate the dynamic behavior, displaying the detrimental effects of resonance on spindle performance. To mitigate these effects, we explore various technical solutions, including reducing rotor imbalances and intensifying acceleration through critical regions. Ultimately, this investigation provides a comprehensive understanding of spindle dynamics on gas-static bearings, guiding the development of robust and high-precision spindles for a range of industrial applications beyond just machining, such as precision robotics and microfabrication.