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1 2023

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Dynamic analysis of three-mass vibratory system with twin crank-slider excitation mechanism

Korendiy Vitaliy, Gursky Volodymyr, Krot Pavlo, Kachur Oleksandr

Vibrations in Physical Systems

2023

Vol. 34, nr 2

art. no. 2023226

The paper studies the dynamic behavior of the vibratory sieving conveyor equipped with the twin crank-slider excitation mechanism. The main purpose of this research consists in substantiating the possibilities of implementing the improved drive for providing the controllable vibration parameters of the working member (conveying tray, sieve, etc.) in accordance with the specific technological requirements set for different materials to be sieved and conveyed. In order to reach the goal set above, the following objectives are established: analyzing the design peculiarities of the vibratory sieving conveyor; deriving the mathematical model describing the conveyor’s oscillatory system dynamic behavior; studying the system kinematic, dynamic, and power characteristics. The system motion is described using the Lagrange-d’Alembert principle, and the numerical modeling is carried out in the Mathematica software with the help of the Runge-Kutta methods. The influence of the vibratory system's geometrical parameters on the motion conditions of the conveyor’s working member (conveying tray and sieve) is analyzed.