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Practical Balancing of Rotating Machinery скачать


'Practical
Название: Practical Balancing of Rotating Machinery
Автор: Derek Norfield
Издательство: Elsevier Science
Год: 2006
Страниц: 218
ISBN: 1856174654
Формат: PDF
Размер: 3,6 Mб
Язык: английский


Rotating machinery (eg pumps, motors, compressors) is normally manufactured to precise measurements but there comes a point when the costs of manufacture mean that further precision is not cost-effective and thus any slight imbalance inherent in the machine will need to be attended to after manufacture. When such machinery is in operation, often at very high speeds of thousands of revs per minute, any imbalance will set up vibration and often noise. In addition, such imbalance will cause extra wear and loss of efficiency in the machine. The answer is to balance the affected parts of the machine so that it operates smoothly and efficiently.
This book is a practical account of such balancing techniques e.g how to balance a rotor, how to set up and verify performance of a balancing machine, and procedures for on-site balancing. In addition, other common causes of vibration will be covered e.g. misalignment, bad bearings and looseness.








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