Abstract
The article deals with dynamics of orthogonal mechanism of vibrating table in view of friction. The emphasis is placed on the influence of friction on the oscillatory motion of the mechanism at its interaction with non-ideal energy source. As a result of analysis of numerical solutions of nonlinear motion equation has been determined that the coefficient of sliding friction affects the average angular speed of the driving link, and at that its growth in the first half cycle, when the vibrating table moves upward will cause reduction of the average angular speed, but in the second half-cycle, conversely, will cause increase of this value of angular speed. A coefficient of rolling friction influences on the vibration amplitude of the angular speed of the driving link: with its increasing the amplitude of vibrations increases. Therefore, sliding friction may affect the coefficient of non-uniformity of rotation in two ways, i.e. one half cycle of the mechanism rotation can reduce it and increase it in the other half cycle, and only rolling friction destabilizing effect has been found.
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