Forum: Reliability & Maintainability Questions and Answers

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Posted by: Choi (mh856.choi@samsung.com )
Date posted: Tue Aug 23 21:24:08 US/Eastern 2005
Subject: Questions for training program
Message:
My name is Choi and live in South Korea.
I'm looking for training course for enhancing reliability field. For example, reliability centered maintenance, repair parts provisioning analysis or level of repair analysis etc. I looked around RAC's training programs but, I think that is short course and that's a little bit pure reliability. Do anybody give me imformation on this kind of training ?

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Posted by: Sadat
Date posted: Thu Aug 11 14:56:12 US/Eastern 2005
Subject: Running Hotter
Message:
what is the effect of operating a product like a switch in Central Office for a max. of 3 hrs per day (in non air conditioned location) at 45C? How that will affect MTBF for the product? Telcordia predictions are for 40C Ambient ??

Replies:
Telcordia
Joe Dzekevich Fri Aug 12 15:58:42 US/Eastern 2005

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Posted by: Sadat
Date posted: Thu Aug 11 14:53:49 US/Eastern 2005
Subject: Hard Disk Reliability
Message:
How long is the useful life of a hard disk in a telecom switch environment? What is the dominant failure mode?

Replies:
hard drive
bwd Thu Sep 8 13:45:13 US/Eastern 2005

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Posted by: Sadat
Date posted: Thu Aug 11 14:51:57 US/Eastern 2005
Subject: Confidence Bounds on Availability
Message:
How can I calculate confidence bounds on my system availability predictions?

Replies:
Ao Confidence Bounds
Joe Dzekevich Fri Aug 12 16:01:53 US/Eastern 2005

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Posted by:Tom Wendling (twendlin@omiinc.com )
Organization:Operations Management Inc.
Date posted: Thu Aug 11 11:54:25 US/Eastern 2005
Subject: Weibull Data
Message:
I am looking for a source of Weibull data ie. values for Beta (not just MTTF) for mechanical components, either in database form, or from a predictive methodology. Can anyone tell me if such data/methodology exists, or if Beta values have to be derived from actual test/field data?
Anyone's help is very much appreciated.

Replies:
Weibull Data
bwd Thu Aug 11 12:11:43 US/Eastern 2005

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