FIELD: reproduction of spatial vibration during vibration tests. SUBSTANCE: vibration-testing machine has platform made as parallelepiped for installation of object under test and sixteen electrodynamic vibrators. Moving part of every vibrator is coupled to platform by rod of high rigidity in direction of transmitted vibration and of low rigidity in perpendicular direction. Four vibrators are positioned at every vertical rib of platform. Axes of vibrators are perpendicular to respective edges of platform. Vibrators are arranged in pairs from opposite edges of platform, and their moving parts are directed in opposition. Vibrators of every pair positioned coaxially have antiphase, series or parallel connection. EFFECT: reproduction of vibration by all linear and angular coordinates. 4 cl, 5 dwg
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