MFPG--detection, Diagnosis, and Prognosis: Proceedings of the 26th Meeting of the Mechanical Failures Prevention Group, Held at the IIT Research Institute, Chicago, Illinois, May 17-19, 1977U.S. Department of Commerce, National Bureau of Standards, 1977 - 294 pages |
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Page vi
... Rotor Offset in a Large Induction Motor . Robert L. Leon SESSION III : NEW DETECTION , DIAGNOSIS AND PROGNOSIS TECHNIQUES AND EQUIPMENT 117 1 . -- A New Chip Detector Reliable , Versatile , and Inexpensive . Thomas Tauber 123 2 . 3 . 4 ...
... Rotor Offset in a Large Induction Motor . Robert L. Leon SESSION III : NEW DETECTION , DIAGNOSIS AND PROGNOSIS TECHNIQUES AND EQUIPMENT 117 1 . -- A New Chip Detector Reliable , Versatile , and Inexpensive . Thomas Tauber 123 2 . 3 . 4 ...
Page 79
... rotor wear or loading ) as an increase in the rotative speed component of the spectra . The long term operating speed stability of the machine may also be trended by the frequency location of the rotative speed component . An increase ...
... rotor wear or loading ) as an increase in the rotative speed component of the spectra . The long term operating speed stability of the machine may also be trended by the frequency location of the rotative speed component . An increase ...
Page 98
... Rotor Bow When the turbine has been shutdown , the rotor can bow if uneven cooling occurs within its cylinder . A distance detector can be used to measure the rotor's eccentricity when the unit is on turning gear and operating at ...
... Rotor Bow When the turbine has been shutdown , the rotor can bow if uneven cooling occurs within its cylinder . A distance detector can be used to measure the rotor's eccentricity when the unit is on turning gear and operating at ...
Page 99
... Rotor Non - Uniformity If the flexibility of the rotor is not equal in all direct- ions it will have different moments of inertia . A cracked rotor will have a double moment of inertia when the crack is deep enough to affect the shaft's ...
... Rotor Non - Uniformity If the flexibility of the rotor is not equal in all direct- ions it will have different moments of inertia . A cracked rotor will have a double moment of inertia when the crack is deep enough to affect the shaft's ...
Page 100
... rotor and cylinder . When the problem first starts to occur there is no audible characteristic frequency which ... rotor vibration , rotor axial position , rotor eccentricity , casing and differ- ential expansion , speed , governor valve ...
... rotor and cylinder . When the problem first starts to occur there is no audible characteristic frequency which ... rotor vibration , rotor axial position , rotor eccentricity , casing and differ- ential expansion , speed , governor valve ...
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Common terms and phrases
1817 LIBRARIES Acoustic Emission Air Propulsion amplitude bearing CHIGAN chip detector coil component condition contamination crest factor cylinder DAPU debris derailment detection diagnostic disc scoring display eddy current electrical Engineering Center ENVELOPE DETECTOR equipment evaluation Ferrogram FILTER filtration level fluid power Format frequency function GCSC Hotbox hydraulic indication Journal Bearing laboratory lander linear regression lube lubricated machine machinery magnetic measurements metal production rate MICHIGAN micron microprocessor NAVSEC normal oil analysis oil consumption oil monitors operation parameters particle counter prediction pressure preventive maintenance problem provides Proximity Probe R.T. Ferrograph Research rotor sample sensors sequence shown in Figure signal SPALL speed Standards steam turbine SUBSYSTEM techniques Technology Temp temperature thermal transducer trend turbine UNIV valve vehicle vibration Viking VMSEA waveform wear metal concentrations wear metal production wear particle weld WMPR
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Page viii - In no case does such identification imply recommendation or endorsement by the National Bureau of Standards, nor does it imply that the material or equipment identified is necessarily the best available for the purpose.