Figure 8
From: Dynamical Behavior of Coal Shearer Traction-swing Coupling under Corrected Loads

Vibration spectrograms for critical shearer components. (a) Vibration spectrogram for front ranging arm (b) Vibration spectrogram for front walking unit.
From: Dynamical Behavior of Coal Shearer Traction-swing Coupling under Corrected Loads

Vibration spectrograms for critical shearer components. (a) Vibration spectrogram for front ranging arm (b) Vibration spectrogram for front walking unit.