Your Reliability Engineering Professional Development Site
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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This episode is centered upon the failure mechanism that reliability engineers have to deal with in everyday work. Before we understand what a failure mechanism is, it is very important to know what is called a failure. A failure is a technically relative term that is used when the results are below the expectations. Now different people have different definitions of failure based on their own performance scales. The failure depends on the criteria of performance that you have set for a particular machine and when the machine falls short of generating that specific output, you call it a failure.
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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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Tim and Fred discuss the different kinds of quality information that’s available from suppliers, and how to make sure you’re getting what you really need in order to avoid reliability issues.
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In this episode, the thermal growth and the understanding of the phenomenon—how it occurs and how to prevent and calculate it—is being discussed by John Lambert. So, first of all, we have to know what actually the thermal growth is. The answer is simple. This phenomenon occurs when the rotating machines get hot due to the difference in temperature and they start to expand in every direction. As these machines are mostly metal so their thermal growth is explained by the coefficient of linear thermal expansion that is already known for many different materials.
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Tim and Fred discuss testing and failure analysis conducted by suppliers, why routine testing is often unnecessary, and why you should pay more attention to test results provided by your supplier.
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James and Fred discussing getting an assessment of a factories maintenance reliability program.
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Fred interviews John Paschkewitz a consultant, author, and engineer presents a very popular tutorial at RAMS each year. The title of Accelerated Reliability includes accelerated life testing and other forms of acceleration based experiments.
Accelerated Life Testing, ALT, is a technique to estimate an item’s time to failure-pattern. In short, ALT allows us to shorten time. Done well, it provides valuable insights into the future. Done poorly, it is a colossal waste of resources.
In this webinar, let’s talk about the various methods available to you for ALT. Select the right approach, given your understanding of the failure mechanism involved. And discuss the best and a few worst practices when planning and conducting ALT. [Read more…]
This episode focuses on the change management and the impact that it can have on your maintenance program. So, what is change management? It occurs at different levels in the organizations but the most basic level—the people level—that makes the organizational culture needs to be tended first. It happens a lot that after the successful planning and scheduling, work execution seems to be fine in the short term but fails horribly in the long term because the change process was not addressed and handled properly at all the critical levels in the organizational framework. So, what things need to be addressed first?
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Kirk and Fred discussing the Taguchi loss function and the problem of making it “in spec” but not on target.
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Kirk and Fred discussing the question of testing of reliability claims with the many variations of a specification, such as water resistance or any specific performance criteria.
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This episode of the weekly podcast is about reliability drive by that is very common in the organizations that have multiple sites. So how often does this happen and why? What exactly is a reliability drive by? Those organizations that have multiple sites with assets or plants there with teams working there often send their reliability engineers to check the site get any information that they can get in a specified—usually very short time—and then move on to the next sites for doing the same things they did on the previous sites. This is called reliability drive by.
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Carl and Fred discussing the big picture topic of reliability in our lives, and how our experiences can affect the application of reliability.
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Carl and Fred discussing the application of product and process characteristics in achieving reliability objectives.
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