Forum: Reliability & Maintainability Questions and Answers

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Posted by: Barry Ma (bma@anritsu.com )
Organization:Anritsu Company
Date posted: Wed May 9 17:33:29 US/Eastern 2001
Subject: Can HASS replace Burn-in
Message:
Reasons to replace burn-in on PCB or higher assembly level with HASS are said as follows.
Burn-in is not effective today because component failure rate have improved by orders of magnitude. Other screens, such as all-axis vibration and high-rate thermal cycling, are vastly more cost effective today than burn-in on PCB or higher assembly level. What do you think of their opinion?

Replies:
Burn-in Testing of PCBs
Bruce Dudley Mon May 21 13:24:32 US/Eastern 2001

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Posted by: D. Gordon (info@reliability.com )
Organization:Reliability Center, Inc.
Date posted: Tue May 8 10:02:12 US/Eastern 2001
Subject: Maintenance Guidelines for Generators
Message:
I am looking for maintenance guidelines (pm/rcm) for portable and fixed generators. Any resources where I can find this information would be most appreciated.

Replies:
Maintenance Guidelines for Generators
Robert Arno Fri May 18 11:33:08 US/Eastern 2001

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Posted by: Richard Smith (atari_400@hotmail.com )
Date posted: Mon May 7 14:02:33 US/Eastern 2001
Subject: Reliability Growth Development Test Help
Message:
Hello there,
Can anybody please point me to a Reliability Growth Development Test procedure, that will allow me to estimate how many units I need to place under test, and how long I will need to test them etc. in order to meet a required MTBF and confidence level ? Ideally, I would like to fix the test duration to say 6 months, and vary the number of test units required. Any help would be appreciated. Thanks, Richard.

Replies:
Growth Testing
Bruce Dudley Tue May 8 13:16:19 US/Eastern 2001

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Posted by: Luke DENG (luke1024@kimo.com )
Organization:Aerospace Development Center
Date posted: Sun May 6 23:32:18 US/Eastern 2001
Subject: What's the definition of 4 Reliability parmameters ?
Message:
What's the following 4 parameter meaning ?
1.Mean Time Between Downing Event 2.Mission Time Between Critical Failure. 3.Mean Time Between Maintenance. 4.Mwan Time Between Demand

Replies:
Reliability Definitions
Bruce Dudley Tue May 8 11:46:49 US/Eastern 2001

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Posted by: John Plies
Date posted: Mon Apr 30 1:08:31 US/Eastern 2001
Subject: 20 20 Kitchen Design Dongle Lost =(
Message:
Does anyone know of a "fix" for 20 20 Kitchen Design dongle ?
Due to a break in, our design computer was stolen. Replacement computer & dongle is over 6000!! Can anyone help me ?

Replies:
Kitchen Design Dongle
Bruce Dudley Wed May 2 10:27:02 US/Eastern 2001

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