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Low amplitude sidebands in the high frequency data at 3.09 orders, which is very close to the outer race bearing defect frequency in the motor bearings. • The waveform data was also showing just over 14 G’s peak to peak.
A closer look at the acceleration spectrum shows the sidebands of outer race defect frequency clearly.The I-DNA measurement (High frequency vibration analysis technique) also shows the harmonics of 3.09 orders confirming the existence of an outer race bearing defect. • Based on our findings our recommendation was to replace the motor and laser align the machine. • Ensure the coupling and all of its components are in good condition. • Ensure that all machine bolts are torqued properly.
Low amplitude sidebands in the high frequency data at 3.09 orders, which is very close to the outer race bearing defect frequency in the motor bearings. • The waveform data was also showing just over 14 G’s peak to peak.
A closer look at the acceleration spectrum shows the sidebands of outer race defect frequency clearly.The I-DNA measurement (High frequency vibration analysis technique) also shows the harmonics of 3.09 orders confirming the existence of an outer race bearing defect. • Based on our findings our recommendation was to replace the motor and laser align the machine. • Ensure the coupling and all of its components are in good condition. • Ensure that all machine bolts are torqued properly.