FIELD: manufacture of building materials. SUBSTANCE: table vibrator has working member in form of vibrating table connected with vibration exciter and installed on base with help of flexible spacers. Vibration exciter is provided with two controlled coaxially installed and frequency-regulated induction motors, and digital system of automatic control of turning angle of these motors. Automatic system ensures control of frequency and amplitude of vibrating table by preset law. EFFECT: higher quality of compacting of concrete mixes. 3 dwg
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