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You are here: Home / Archives for Articles / on Product Reliability

on Product Reliability

A listing in reverse chronological order of articles by:



  • Kirk Grey — Accelerated Reliability series

  • Les Warrington — Achieving the Benefits of Reliability series

  • Adam Bahret — Apex Ridge series

  • Michael Pfeifer — Metals Engineering and Product Reliability series

  • Fred Schenkelberg — Musings on Reliability and Maintenance series

  • Arthur Hart — Reliability Engineering Insights series

  • Chris Jackson — Reliability in Emerging Technology series

by Fred Schenkelberg Leave a Comment

The Value of a Great Question

The Value of a Great Question

Some time ago, earlier in my career, I worked for a wonderful boss. She would stop by my office on occasion and ask ‘what’s new?’ or “how’s it going?’ Just a check-in. I often let her know about the current vexing problem I was struggling with at the moment.

The funny thing is she never directly solve the problem for me. She certainly could have. Instead, she would ask a couple of questions that always helped me to find the solution. This happened with problems concerning dealing with a difficult person, strange material properties, motivating change within a group, or finding someone that could design and run a computational fluid dynamic model for me.

It was her questions the helped. She did this in meetings, in presentations, and when she swung by my office for a chat. [Read more…]

Filed Under: Articles, Musings on Reliability and Maintenance Topics, on Product Reliability

by Fred Schenkelberg Leave a Comment

Infrastructure Is Not a One Time Investment

Infrastructure Is Not a One Time Investment

In a recent blog post, Seth Goin discussed the need for ongoing investment to maintain infrastructure. Whether a road or building or even your own skills, it takes regular care to avoid system failures or obsolesce. [Read more…]

Filed Under: Articles, Musings on Reliability and Maintenance Topics, on Product Reliability

by Fred Schenkelberg Leave a Comment

Is SPC Part of the Reliability Toolkit?

Is SPC Part of the Reliability Toolkit?

Statistical process control, SPC, is a set of tools to enable monitoring the stability of a process. SPC is also the first step to checking process capability with measures such as Cpk. Many consider SPC a quality or manufacturing tool. Yet, having and maintaining a stable process is also essential to creating a reliable product. Let me explain why. [Read more…]

Filed Under: Articles, Musings on Reliability and Maintenance Topics, on Product Reliability

by Fred Schenkelberg Leave a Comment

Reliability Questions and Decisions

Reliability Questions and Decisions

Very few reliability decisions are made by reliability engineers. Yet, reliability engineers are asked many questions concerning reliability. How reliable will this design be for customers? How will the system likely fail? How many failures should we expect next month?

How you answer these and the many other questions received does impact the reliability of your product or system. The information provided those that ask reliability related questions, with useful and practical information, can make better decisions which improves reliability performance.

[Read more…]

Filed Under: Articles, Musings on Reliability and Maintenance Topics, on Product Reliability

by Fred Schenkelberg Leave a Comment

The Purpose of Reliability Engineering Work

The Purpose of Reliability Engineering Work

An immediate purpose is to earn a living. You also may suggest the work is to improve the reliability of the product or system. Reduce downtime, reduce warranty, increase profit, etc.

That is fine for the overall purpose of reliability engineering work, yet in the day to day work, the specific task level, what is the purpose behind what we do?

[Read more…]

Filed Under: Articles, Musings on Reliability and Maintenance Topics, on Product Reliability

by Adam Bahret Leave a Comment

You Really need a Plan

You Really need a Plan

There is a lot to be said for having a plan. Now, I’m not saying I always operate with a plan.  In my personal life, I tend to shoot from the hip, so to speak, and those that know me would undoubtedly describe me as impulsive.  As evidence of my spontaneity, I can cite a few  ever-morphing construction projects that had to be half redone once the final was denied  as well as dinners that ended up tasting a little weird because the recipe was composed of whatever I could find. Neither of these scenarios have devastating consequences when they are over budget, late to delivery or  kind of suck as far as accomplishing the original goal. We can always fix the weird porch extension next year and if you really don’t like my chicken, rice, tartar, mustard and olive dish then just order a pizza.  [Read more…]

Filed Under: Apex Ridge, Articles, on Product Reliability

by Adam Bahret 1 Comment

Should They Have the Right?

Should They Have the Right?

There is an issue up for vote this year in my home state of Massachusetts. It’s called “Right to Repair.” The proposed law states that automotive manufacturers can not lock owners and independent repair shops out of vehicles on-board diagnostic computers. These are the arguments on either side of the issue:

Auto manufacturers don’t want independent repair shops completing work on their vehicles with technicians who are not factory trained. They are also concerned about repairs being completed with non-factory parts that could potentially be sub-standard. These manufacturers believe they should have control regarding repairs because they are held responsible when issues occur under warranty. So why is this an issue now?

[Read more…]

Filed Under: Apex Ridge, Articles, on Product Reliability

by Adam Bahret Leave a Comment

The midlife crisis use case

The midlife crisis use case

Sometimes we can only test one use case before we ship our product. So what should it be? Should it be the hardest use case? The nominal use case? The 95th percentile use case?

No! It should be the “midlife crisis use case.” What is it? I’ll show you.

[Read more…]

Filed Under: Apex Ridge, Articles, on Product Reliability

by Adam Bahret Leave a Comment

Omega watch Use Case

Omega watch Use Case

Well, it’s time for another exploration in Use Case 7. Unfamiliar with UC7? It’s simply when customers do unexpected things to our products. We often ignore it, but in fact, it is one of our best ways to learn about our product’s reliability. [Read more…]

Filed Under: Apex Ridge, Articles, on Product Reliability

by Adam Bahret Leave a Comment

Disappointment

Disappointment

This is a direct followup to my post last week.

I usually don’t do two part posts but….

I got some great responses to my post last week.  I then got this image from my buddies at NASA (on the ground, not on the space station). One is actually my roommate from college. His hair is much shorter now.

[Read more…]

Filed Under: Apex Ridge, Articles, on Product Reliability

by Adam Bahret Leave a Comment

Faith

Faith

Sometimes I see images that speak strongly to how reliability engineering affects us everyday.  Think of how many items you own or use systems that you wouldn’t touch/interact with if  you couldn’t be absolutely sure they would work as expected. I wouldn’t use my microwave if I thought there was a 1/1000 chance it would catch fire.  The amount of faith I have in traffic lights working correctly is astounding.  If they malfunction it could be fatal.

[Read more…]

Filed Under: Apex Ridge, Articles, on Product Reliability

by Arthur Hart 1 Comment

Management View of Reliability During Product Development

Management View of Reliability During Product Development

Based on the book Reliability Engineering Insights

I found, while working at HP as a reliability engineer, that most managers of new products had little to no understanding of reliability concepts. They usually had the basic concept that reliability engineers should be brought into the project as the design was being finalized but had no clue what they would work on. [Read more…]

Filed Under: Articles, on Product Reliability, Reliability Engineering Insights

by Adam Bahret Leave a Comment

How is it even possible after 41 years?

How is it even possible after 41 years?

The clock in my ’79 Porsche 911 works perfectly. I don’t remember the last time I set it.  Maybe I made a small adjustment six months ago, a year ago, don’t know?  A modern day quartz clock does this no problem, a mechanical spring clock might struggle in such a rough environment.  So was it quartz or mechanical? the ’70s was when quartz came on the scene, so either was a possibility. First I wanted to find out if it was ever replaced or serviced. So what did I do?  I contacted the previous two owners.  One purchased it new in ’79 and the other owned it for a five year period before I bought it. Neither recalls it ever being serviced or having a problem.

[Read more…]

Filed Under: Apex Ridge, Articles, on Product Reliability

by Adam Bahret Leave a Comment

They hired a sniper and made a kill in one shot

They hired a sniper and made a kill in one shot

I can’t believe it!  They took it to the next level,  They hired a sniper, and he was good, he got a kill shot with one round.

I’m in the hull of my boat doing what should be the easiest “Spring prep before launch” I have ever done.  I got everything set up a week earlier to make this ritual of “man vs machine” as easy as possible.  I even took care of the squirrel problem from the previous year. [Read more…]

Filed Under: Apex Ridge, Articles, on Product Reliability

by Adam Bahret Leave a Comment

Reliability Culture

Reliability Culture

When it comes to product development, most technology companies understand the importance of reliability. In particular, the engineering teams usually have everything they need to design a reliable product, including the right testing tools and analysis methods.

At times, though, there can be problems. A product doesn’t ship on time. Or if it ships on time, it fails in the field.

[Read more…]

Filed Under: Apex Ridge, Articles, on Product Reliability

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