Goal. It consists of studying the influence of the frequency of harmonic disturbance of a continuous section in the form of a rectangular plate on its maximum stresses, deflections, and acceleration, and in identifying frequency ranges in which there is a significant amplification of the oscillations of continuous sections. Significance. In known designs of discrete-continuous vibrating machines, only the first natural frequency of oscillations of the continuous section is used to implement energy-efficient modes of operation. Conducting a dynamic analysis of a continuous section on a wide range of frequencies would allow the formation of new ideas for the realization of the dynamic potential of such vibrating equipment. Method. A continuous section in the form of a rectangular plate hinged in the intermediate mass of the vibrating machine is considered. For the plate, taking into account the fastening conditions, the natural frequencies of oscillations are determined. The calculation scheme of the plate is formed. Control points on the surface of the plate were selected, for which the maximum stresses, deflections, and resulting accelerations were determined using simulation modeling. Results. When conducting a dynamic analysis of a continuous section in the form of a rectangular plate, it was found that the maximum stresses, deflections, and accelerations are observed during its harmonic disturbance at frequencies, close in value to the first, third, and seventh natural frequencies. Scientific novelty. For the first time, the linear dynamic analysis of a continuous section in the form of a rectangular plate hinged in the intermediate mass of a discrete-continuous vibrating table with an electromagnetic drive, was carried out. Practical significance. Based on the conducted research, ideas were formed for the implementation of new, more energy-efficient modes of operation of discrete-continuous vibrating machines.
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