Abstract

The dynamic processes occurring in the braking process in the friction contact of the brake mechanism of the drum-pad type are considered. The equations of the oscillatory system, namely the pair «pad – brake drum», for various arrangements of brake mechanisms of the drum-pad type are given. The obtained equations establish the effect on the instability of the braking torque during braking. The parameters of the influence on self-damping and forced oscillations for various brake arrangements are revealed. The criteria of influence, namely the dissipation coeffi-cients of various brake layouts, on the operational characteristics of the instability of the braking torque, and thereby determining the magnitude of the amplitude of the rebound of the brake pad from the working surfaces of the brake drum, are analyzed. The direction is set for improving the operational properties and increasing the tribological reliability of braking mechanisms.

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