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Practical Balancing of Rotating Machinery

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    khoshshaans
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    Practical Balancing of Rotating Machinery

    اسلام عليكم
    SBN: 1856174654
    Title: Practical Balancing of Rotating Machinery
    Author: Derek Norfield
    Publisher: Elsevier Science
    Publication Date: 2006-04-20
    Number Of Pages: 218

    Description
    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.

    *******s

    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.

    Code:
    http://rapidshare.com/files/10470809/1856174654.rar
    mihd.net/yhcfzq

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    speed99a
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    تاريخ التسجيل: Jun 2007
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