FIELD: testing engineering.
SUBSTANCE: bench comprises computer, frame, hydraulic cylinder for horizontal movements and providing vertical loading, acoustic converters mounted on the disk of the wheel, and multi-channel acoustic-emitting system composed of n units each of which has four measuring channels made of acoustic converter, preamplifier, filter, main amplifier, and analogue-digital converter connected in series. The frame receives the wheel pair and electric dynamometer connected with one of the hydraulic cylinders in series. The platform of the frame receives the hydraulic cylinder that provides lifting of the wheel pair and its rotation around the axis.
EFFECT: expanded functional capabilities.
1 cl, 2 dwg
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