Pinion defect in the gearbox confirmed by repetitive shocks of the shaft frequency (17.54 Hz) in the Rolling Mill.
Catch Of The Day
Repetitive shocks of the shaft frequency (17.54 Hz) in Rolling Mill reported as Pinion defect in the gearbox, the defect confirmed as shown in the photo.
The SFI - Shock Finder Filter from Acoem shows vividly the shaft frequency of the shaft in the Time-Waveform.
The Circular Plot was also effective to confirm the damaged area in the pinion.