FIELD: machine building.
SUBSTANCE: invention relates to machine building. Damper consists of lower and upper support plates. Between plates coaxially and concentric springs are installed, external with right and internal with left angles of coils pitch. Lower support plate is base, on which springs lower flanges are rigidly attached. Between the top support plate and top flange of the internal spring the dry friction damper is installed. Damper consists of two contacting cylindrical discs. Bottom disc is rigidly linked with top flange of the internal spring. Top disc is rigidly linked with the top support disk. On facing each other discs surfaces concentric diametric grooves and projections entering to them are made. As discs material copper-based sintered friction material can be used.
EFFECT: higher efficiency of damping in resonance mode.
1 cl, 1 dwg
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