FIELD: machine building.
SUBSTANCE: device contains pressing sheet, having at least two groups of conditional rectangular areas between adjacent fixtures. The pressing sheet is made with thickness from 0.05 to 0.5 of thickness of dampened structure. Each group contains areas with similar dimensions. Average geometric size of sections with maximum area is determined by length of bending wave of the pressing sheet at lower frequency of the range. The average geometrical size of the sections with lower area differs from the same value of sections of groups with sections having large area by at least 1.2 times.
EFFECT: expansion by at least 2 times of frequency range of vibrations suppression.
1 dwg
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