Accendo Reliability

Your Reliability Engineering Professional Development Site

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Fundamentals of RBD

Fundamentals of RBD

An Introduction, Basic Uses, and Examples of How RBD Calculations Work

A reasonable model helps you make informed decisions. In many cases, a simple reliability block diagram provides the insights your team needs to prioritize and achieve the desired reliability performance. Let’s create, populate and use RBDs effectively.

RBDs comprise of a few simple elements and arrangements, yet are capable of describing a wide range of products and systems. There are a few assumptions to keep in mind, and a few basic ways to create a useful model for your system. [Read more…]

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61 – Understanding Asset Criticality with Susan Lubell

61 – Understanding Asset Criticality with Susan Lubell

Understanding Asset Criticality with Susan Lubell

Now as a maintenance and reliability engineer, you need to come up with some tools to help you do this asset criticality activity. The heat maps are a good way as they include the asset hierarchy of the organization along with the budget details and other related information. You rank every system in the map by creating matrices that have different illustrations—usually red dots for critical ones and so on—to allow you to focus on specific factors and the determine the consequences if those assets fail. In order to do this, stakeholders, plant maintenance staff and concerned officials need to interact as it leads to right answers by asking the right questions and addressing the right issues in a right way. This is done by cascading everything from the corporate level to the site level.
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60 – What is High Impact Learning with Dan Anderson

60 – What is High Impact Learning with Dan Anderson

What is High Impact Learning with Dan Anderson

This episode is dedicated to the High Impact Learning that is not limited to just the information you are provided within the classrooms. It meant you have to truly learn about something by actually applying what you have acquired in a learning program so that you can deliver the desired results for your organization. The main focus here is to practically implement the course material for better understanding purposes. This can be done by promoting the activity-based learning in the organizations. Then it becomes a true process where you are doing performance-based work rather than just gaining bookish knowledge.
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59 – What is a Failure Mechanism with Fred Schenkelberg

59 – What is a Failure Mechanism with Fred Schenkelberg

What is a Failure Mechanism with Fred Schenkelberg

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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SOR 224 How Does a Failure Above the Specs Matter?

SOR 224 How Does a Failure Above the Specs Matter?

How Does a Failure Above the Specs Matter?

Abstract

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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SOR 223 Getting the Information You Want and Need with Your Suppliers

SOR 223 Getting the Information You Want and Need with Your Suppliers

Getting the Information You Want and Need From Your Suppliers

Abstract

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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58 – Understanding Thermal Growth with John Lambert

58 – Understanding Thermal Growth with John Lambert

Understanding Thermal Growth with John Lambert

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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SOR 222 Stop Doing Unnecessary and Expensive Testing

SOR 222 Stop Doing Unnecessary and Expensive Testing

Stop Doing Unnecessary and Expensive Testing

Abstract

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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DTK John Paschkewitz Scholar

DTK John Paschkewitz Scholar

John Paschkewitz, Author

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.

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