FIELD: machine building.
SUBSTANCE: invention relates to the field of machine building. Torsional vibration damper comprises rotary element. Hole is made in rotary element. Rolling mass oscillates along surface of raceway. Rolling mass comprises a tube passing through the hole. First angle is formed on the axial end of the tube, on which the external diameter of the tube gradually increases in the direction of the axial end. Flange part is formed on outer side along axis of first angle, outer diameter of which exceeds hole opening width. Second angle comprises radially outer angle whereat rotary element thickness makes maximum thickness. Axial length between initial point of first angle and opposite point in rolling mass exceeds axial length of second angle in rotary element.
EFFECT: damper of torsional vibrations is proposed.
14 cl, 10 dwg
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