Your Reliability Engineering Professional Development Site
Kirk and Fred discuss the history of our Speaking of Reliability podcasts and the changes needed in approaches to reliability engineering and the need for leaders to continue practical and efficient reliability development.
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Kirk and Fred discussing how sometimes we get accustomed to a product starting to wear out when it is still functioning, and how long can we go without replacement.
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Kirk and Fred discussing comments we have received throughout the history of “Speaking of Reliability”. In this podcast we discuss one of the questions “should I calculate an average MTTR or MTBF ? “. We review the reasons that calculating an average time to or between failures does little to help make more reliable systems. ᐅ Play Episode
Kirk and Fred discussing the continued issue of how tough and robust does a product have to be or should be for their markets.
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Kirk and Fred discussing the big question is how robust should a product be to be “good enough” for use and occasional accidents?
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Kirk and Fred discussing the many causes and contributors to products failing after purchase. How do we know which factors are the largest contributor to causing failures?
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Kirk and Fred discussing the continued use of Reliability prediction and the very outdated government reference document, MIL HDBK 217.
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Reliability engineers have traditionally been asked to answer a common question during development of a new device or system, and that is “How long will it last?”.
It is the eternal question in equipment reliability development, and it really comes down to “that depends on many factors”. One question that needs to be asked is how long do you need it to, or should it last? [Read more…]
Kirk and Fred discussing the recent article Kirk and comments posted on LinkedIn regarding the estimated maintenance costs required for the F-35 Fighter Jet.
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Kirk and Fred discussing the issue of derating components to increase the reliability of the larger system. Although Fred and Kirk agree on most reliability topics, derating by the traditional reliability guidebooks is not one of them.
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Kirk and Fred discussing Kirk’s recent attendance at the Denver Pinball Showdown, a local Pinball conference and reliability.
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Kirk and Fred discussing the article that Fred recently posted and the strategy of making a spare parts and service a source of the majority of programs profit.
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I posted an article recently by Bloomberg on the Defense Department’s recent disclosure of the escalating support cost of the F-35 Joint Fighter Jet. With over 3,700 views, it was the most read of my posts. The original article on escalating F-35 reliability costs can be read at this link
I posted the article with the comment: “Once a test engineer working for a large DoD contractor once told me at a reliability conference, ‘These new reliability development techniques of HALT and HASS would be a lot easier to implement if spare parts and service did not constitute 60% of the total program profits.’ That was not the first time I have heard a similar comment from a test or reliability engineer or manager working in the defense industry. I believe these engineers working on the reliability end of the programs said these concerns me out of frustration. [Read more…]
Kirk and Fred discussing the question many have, that is if margins are important, why not specify more strength in the product design?
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Kirk and Fred discussing the common question in empirical limit testing (a.k.a HALT) that many design engineers have. How strength margins above specifications are important for long term reliability.
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