FIELD: physics.
SUBSTANCE: invention relates to vibration equipment, particularly to agroindustrial complex, and can be used for grain processing enterprises in the process and transport equipment. According to the invention, in a four-debalance-type vibration exciter, which excites oscillations of power factors as per asymmetric law to provide a symmetric law of oscillations, which means equality of the greatest absolute values of the power factor in the positive and negative directions, initial position of slow-rotating eccentric weights is changed.
EFFECT: technical result is variation of speed of transportation and high efficiency of processes of separation of grain mixtures.
1 cl, 45 dwg
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