Effect of Track Support Structures on Friction-Induced Vibrations of Wheelset-Track Systems

Figure 4

Modes of unstable vibrations of the leading wheelset-track system with (a) track type 2: frequency f ≈ 41 Hz, (b) track type 3: frequency f ≈ 35 Hz, (c) track type 3: frequency f ≈ 42 Hz, and (d) lateral slip causing polygonal wear on the inner wheel treads.

(a)

(b)

(c)

(d)