Titlebook: Reliability and Maintainability in Perspective; David J. Smith Textbook 1988Latest edition Macmillan Publishers Limited 1988 Liability.mai

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How Important are Reliability and Maintainability?eed left a heritage of longstanding edifices such as the Menai and Clifton bridges. Fame is secured by their continued existence but little is remembered of the failures of their age. If, however, we concentrate on the success and seek to identify which characteristics of design or construction have

Indigence

Density

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Design Factors Influencing Down Timeined by the design and the passive elements which are governed by the maintenance philosophy. The designer must be aware of the maintenance environment and of the possible equipment failure modes. He must understand that production difficulties all too often become field problems since, if assembly

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Maintenance Philosophy and Down Timeares provisioning is known as Maintenance Philosophy and plays an important part in determining overall availability. The costs involved in these activities are considerable and it is therefore important to strike a balance between over- and under-emphasising each factor. They can be grouped under s

GUMP

Reliability Analysis and Failure Mechanismserall sum of these stresses can be pictured as constantly varying, with peaks and troughs, and superimposed on a distribution of strength levels for a group of devices. A failure is assumed to be the result of stress exceeding strength. The average strength of the group of devices will increase duri

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偏離

Aspiration

Ointment