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Forum: Reliability & Maintainability Questions and Answers

Topic: Reliability & Maintainability Questions and Answers

Topic Posted by: Reliability & Maintainability Forum (src_forum@alionscience.com )
Organization: System Reliability Center
Date Posted: Mon Aug 31 12:47:36 US/Eastern 1998

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Original Message:

Posted by: Hari (ch_hari_prasad@lycos.com )
Date posted: Tue May 6 10:58:43 US/Eastern 2003
Subject: Communicating Reliability with Designer
Message:
I am looking for the answer to this query.
How can we convince a designer regarding the RELIABILITY IN DESIGN.
How can we apply Reliability in Design.
Please give me an example of an automotive component.


Reply:

Subject: Reliability Design
Reply Posted by: B.W.Dudley (bdudley@alionscience.com )
Organization: RAC
Date Posted: Wed May 7 9:06:47 US/Eastern 2003
Message:
I would suggest that you review the RAC Reliability Blueprints for information on the way to show that reliability tasks can help in the design process. Each blueprint has the individual tasks listed with the purpose, time to perform and the extended results. These blueprints are general in nature and not directed to one equipment type. A simple example for automotive use could be the assessment of bearing life. Using the L10 life evaluation equation of [C / F]raised to p x 1,000,000, one can calculate the life for different ratings. This will show the impact of derating the bearing to achieve longer life. This example is shown in our Mechanical Applications in Reliability Engineering book. The RAC Electronic Part Derating handbook also shows the impact of reducing the electrical stresses on the components.


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