Almost all maintenance, reliability or asset management professionals have heard of reliability engineering. But what is reliability engineering? A quick google search will return the following definition “Reliability Engineering is engineering that emphasizes dependability in the lifecycle management of a product. Dependability, or reliability, describes the ability of a system or component to function under stated conditions for a specified period of time.”

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Uptime Insights – 7 – Support Systems, EAM, CMMS

Computerized data gathering and information management systems are indispensable tools for business. Just remember the last power failure you experienced and you’ll understand. Technology continues to develop and become more complex. The array of available business applications is astounding and more are added daily.

Name That Failure Pattern (2)…

This failure occurred on a turbine driven boiler feedwater pump (TDBFP) at a fossil fuel power plant. The pump in question is an outboard boiler feed pump. Plant is operating normally when unexpectedly pump shuts down and causes a forced outage.

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by James Kovacevic 1 Comment

The Role of Statistics in Reliability Engineering

This Isn’t Your High School Statistics Course

What does the word statistics bring to mind when you hear it? Horrible high school classes that you sat through wondering why do I need this stuff? Complex math problems what were almost impossible to figure out? Or is it nonsense that is only used in political polls?

Statistics are used in every aspect of Reliability Engineering. So if you don’t have a good relationship with statistics, I highly recommend that you are starting investing time in building your knowledge in statistics. [Read more…]

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Uptime Insights – 6 – KPIs and Performance Management

Most of us wouldn’t argue that if you can measure it, you can improve it. Performance measures do indeed drive results, both good and bad. Knowing where you are now and what you want to achieve by some point in the future do help you to outline your path towards your objective. Once you know your path, you then need a way to make sure you are still on it. And once you’ve past way-points, you also need to know that what you’ve achieved so far, continues to be sustained.

Name That Failure Pattern (1)…

This is a failed shaft that came out of a pump in a paper mill. The pump was only in service for about a month before it failed unexpectedly.

From the top view above, identify the type of failure pattern that you see from the fractured surface(s). If you need more info to make your assessment, just ask.

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Uptime Insights – 5 – Materials Management for Maintenance

Materials management for maintenance purposes is often a big mess. When I visit operations (doesn’t matter what industry) I often hear complaints from maintainers that they cannot get the parts they need, when they need them. Sometimes, their supply chain (warehouse, inventory, and purchasing management) are indeed a mess, but more often than not maintenance planning is also a mess, and there is usually (almost always) a lack of integration between planning and supply chain.

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How to Create Reorder Point analysis in Excel

We will create a reorder point analysis file from scratch with simple CMMS data as our starting point. Learn how to create a file which will update automatically each time CMMS data is updated.

Anatomy of a ‘Failure’

Where does ‘failure’ come from? Why do some things not go as we planned? When bad things happen, at that time, it can be chaotic and appear very complex. Often, in hindsight (when the urgency has faded), we find that good people made bad decisions at that time. Most of the time such failures were not complicated and we find that most likely, anyone else put in the same position, would have made the same decision. So why do things not always go as planned?

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The 7 Steps to Proper Machinery Alignment

How to Ensure Your Assets are Installed to Prevent Premature Failure

How many times has an asset been installed or commissioned, only to have it fail in a few days or months when it should have lasted even longer? If you look at the study by Nowlan & Heap, they have found that only 11% of failures are age related, so when is happening with these assets? The answer… comes down to poor installation practices.
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Invest in Food Manufacturing CMMS

From demonstrating compliance and ensuring safety to maintaining assets and increasing productivity, food manufacturing maintenance managers have their work cut out for them. Thankfully, computerized maintenance management software (CMMS) can streamline processes and improve maintenance operations for the food manufacturing industry. Read on to learn how food manufacturing CMMS software can significantly benefit your organization.

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Uptime Insights – 4 – Basic Care

Like the human body, our plant and mobile equipment will break down if it’s not looked after. If we exercise and push ourselves harder, we gain strength. Unlike our biological bodies that can self-repair, our physical plants and mobile equipment do NOT strengthen if we overload them. Yes, they will tolerate some abuse but not for long. Machinery, unlike biological organisms, can not recover from damage on its own. It needs a bit of basic care. Basic care is all about taking care of our physical assets so they continue to do what we need them to do. Take care of their fluids (e.g.: oils, coolants), keep them from running hot (e.g.: clean heat transfer surfaces like cooling fins), and keep them free of contaminants that damage their insides (e.g.: keep moisture and dirt out). In the “Uptime Pyramid of Excellence,” the pinnacle is “Choosing Excellence”. That choice implies an active application of all of the model’s components. It’s a journey, not a destination.

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Loss Analysis

A brief discussion on plant loss analysis by George Williams.

Error: Is it a Cause or an Outcome?

Trick question, it’s neither!

When we hear people use the term ‘error’ it is normally associated with being the cause of some type of bad outcome. We hear it all the time with airline accidents where they conclude ‘pilot error’.

‘Error’ is neither the cause nor the undesirable outcome! Let’s see why.

Is the only type of error a ‘human error’? I struggled to think of an ‘error’ that is not a human error, so I asked if others could think of something else. I would like to thank Dr. Peter Elias who commented that errors can occur in biologic processes, such as RNA and DNA replication or messaging. He also cited non-human animals make errors all the time as well.

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Ensuring Equipment Doesn’t Grow Out of Alignment

Understanding & Compensating for Thermal Growth

A major asset is being installed, and the asset is vital to the success of a brand new, high-profit product being introduced to the site. This product is enough to keep the site operational for many years to come. The installation of the asset is critical, and there is extensive prep work to eliminate soft foot, ensuring the base is flat (using geometric measurement) and that the asset is aligned properly.
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