Litteris et Artibus

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    Ways of improvement of productiveness of vibratory tubular conveyors
    (Видавництво Львівської політехніки, 2017-12-23) Shenbor, Vladyslav; Korendiy, Vitaliy; Brusentsov, Volodymyr; Lviv Polytechnic National University
    The principle of construction of two-mass lengthy tubular conveyors of coaxial type with electromagnetic oscillations exciter is considered. The dependence for determination of the conveyor productiveness is substantiated. The design diagrams of tubular multi-tube conveyors of twoand three-mass vibratory schemes are proposed and the efficiency of their implementation in order to increase the productiveness of bulk and lump products feeding due to the use of all tubular elements as transporting ones is substantiated.
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    Features of using the structural damping in construction of cutting tools
    (Lviv Polytechnic Publishing House, 2015) Novitskyi, Yurii; Lviv Polytechnic National University
    The influence of internal friction parameters in the joints of structural elements on the machine for vibration amplitude of cutting tool and detail was analyzed. The possibility of effectively suppress the amplitude of oscillation of the cutting tool by selecting optimal parameters of frictional connection of the cutting blade was shown.