Importance of Startup Vibration Measurements on Turbomachinery PDF Print E-mail
Written by Sulzer Turbo Services - Phil Mosher   
Saturday, 06 March 2010 12:56
Article Index
Importance of Startup Vibration Measurements on Turbomachinery
Oil Whirl
Operation Near Critical Speed
Piping Strain
Misleading Readings
Conclusion
All Pages

After installing new or repaired equipment, obtaining baseline vibration measurements during startup and initial steady state operation can be invaluable in diagnosing abnormal machine behavior. Careful study of vibration characteristics can reveal a range of problems as simple as scratched probe surfaces to more serious issues of bearing oil whirl, operation near critical speeds, distortion due to piping strain, and many others.