Diagnosing Machinery Health: Presented at the Winter Annual Meeting of the American Society of Mechanical Engineers, San Francisco, California, December 10-15, 1978 |
Contents
Machinery Protection Through Automated Diagnostics | 1 |
An Overview | 15 |
Computerized Assessment of Machinery Performance and Health | 41 |
Copyright | |
Common terms and phrases
accelerometer Alarm Level alert and alarm alert or alarm amplitude modulations assess axial bandpass filter baseline baseline survey bearing failure cause changes channel characteristics condition monitoring contamination crest factor DEFECTIVE BEARING determine diagnostic flag diagnostic system displacement sensors display ENVELOPE DETECTED Fast Fourier Transform fault frequency components FREQUENCY SPECTRUM frictional energy gear high frequency hydrodynamic bearings identify increased indication infrared infrared spectroscopy insolubles content instability instruments Jet Engine kinetic and frictional Level Sensor low frequency vibration lubricant additive lubricant samples machine machinery health maintenance measured methods minicomputer misalignment mode normal oil analysis operator outer race output parameter peak perform plant problem PUMP real time analyzer resonant frequencies rolling element bearings rotor running speed shaft SHOCK EMISSION ANALYZER SHOCK LEVEL HISTOGRAM Shock Profile Area SHOCK PULSE PROFILE shutdown spall spectra spectral line SPECTRUM ANALYZED start/stop transducer trend turbine typical unbalance viscosity warning wear metals