Multi-shaft rotating machinery fault occurred are diverse, but the percentage of emerged from the failure point of view, there is a common imbalance, misalignment, oil whirl, oil whip, mechanical loosening, but for of different rotating machinery, due to the use of different occasions, working conditions, such as working medium, pressure, temperature, electric fields, magnetic fields as diverse, as well as its own texture, movement differences in form, its chances of failure are different in order to PG6531 gas turbine and its generators, for example, focus on resolving the problem of vibration analysis and processing.
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