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Titlebook: Mechanical Fault Diagnosis and condition monitoring; R. A. Collacott Book 1977 R.A. Collacott 1977 X-ray.chromatography.control.distributi

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Failure types, investigation and occurrences,Failure is defined in the BS Maintenance Glossary as ‘The termination of the ability of an item to perform its required function.’ This can involve such failure categories as follows:
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Data processing and analysis,Machinery produces messages or signals by its action on sensors. In most cases these signals are received as alternating electrical currents with a characteristic pattern of voltages comprising a mix of different magnitudes, frequencies and phase relationships. These signals are meaningful in condition diagnosis surveillance.
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Vibration analysis,Vibratory effects are sensed quite easily by most people, they are tiring and unpleasant, at the extreme they can be frightening. It is not surprising that vibration analysis occupies a prominent place in machine diagnostics.
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