Practical Balancing of Rotating Machinery

Practical Balancing of Rotating Machinery

1st Edition - March 8, 2006

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  • Author: Derek Norfield
  • eBook ISBN: 9780080459387
  • Hardcover ISBN: 9781856174657

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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.This book is the distillation of a successful course run by the author and developed over 20 years. University engineering departments do not teach balancing techniques beyond the very basic, and there is a need for educators and engineers to have a practical book available on the topic.

Key Features

· A practical book which will help the reader understand the importance of balance in today's high technology world
· Outlines the history of dynamic balancing and other vibration reduction techniques
· Profusely illustrated throughout


Manufacturing engineers; maintenance engineers and technicians; pump, motor and compressor engineers; consultants.

Table of Contents

  • Section 1: Introduction; The need for balancing; The history of balancing; Why do we balance; Balancing is not an additional expense!; Section 2: Balancing Basics; Vibration, causes and effects; In the beginning; Simple Vibration; Complex vibration; Why is vibration so bad?; What is the cause of vibration; Misalignment; Damaged bearings; Bent shaft; Turbulence.

Product details

  • No. of pages: 218
  • Language: English
  • Copyright: © Elsevier Science 2006
  • Published: March 8, 2006
  • Imprint: Elsevier Science
  • eBook ISBN: 9780080459387
  • Hardcover ISBN: 9781856174657

About the Author

Derek Norfield

Affiliations and Expertise

Vibration and Balancing Solutions, Lynchburg, VA, USA

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