Category Archives: Product quality & reliability

Eddie Mair rattles my speakers

Intermittent problems are a real pain. They never show themselves when you are in a position to do anything about it. I have been disappointed by the Bose sound system in my Mazda; it under-uses its sub-woofer, fails to automatically … Continue reading

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Posted in Main Page, Miscellaneous, Product quality & reliability | Leave a comment

Being devious about Deviations

If quality is doing “exactly what it says on the tin” (courtesy of Ronseal), what happens if you really don’t want to? What happens if you knowingly choose to do something else? Presumably that isn’t allowed? Well, yes it is. … Continue reading

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Control your cosmetics – “because you’re worth it”!

No, I’m not talking about lipstick and blusher despite the tongue-in-cheek introduction. Cosmetic Inspection refers to the quality of the surfaces of products or equipment, especially those surfaces that are visible to the customer. Nothing is perfect; no material is … Continue reading

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The real meaning of MTBF

Ignore some of the more disparaging descriptions of what ‘M.T.B.F.’ means; it actually stands for Mean Time Between Failures (or, for products that can’t be repaired, the term Mean Time To Failure is often used instead). It’s the inverse of … Continue reading

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Posted in Main Page, Manufacturing, Product quality & reliability | 1 Comment

The secrets of Poka Yoke

Poka Yoke (“poh-ka yoh-kay”), translated as mistake-proofing, was developed by Toyota manufacturing engineer Shigeo Shingo in the 1960s. (Its original name, ‘fool-proofing’ was changed because some people were offended by its implications.) It’s another preventive technique that I recently promised … Continue reading

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In praise of Design Reviews

I worked in one of the large Cambridge-based technology consultancies for many years and was privileged to have clients from small, inexperienced start-ups to large, established mature enterprises. Sometimes we developed products from scratch but sometimes we were brought in … Continue reading

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Quality is a strategic issue

I’d like to take an overview of what quality is… and why it’s strategically important to your business. What is Quality? Quality means meeting requirements. It isn’t about providing more features, or complexity, or performance that increases cost, takes longer … Continue reading

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Posted in Business quality & processes, Main Page, Management, Product quality & reliability | 2 Comments

Prevention is better than cure

Many moons ago I was blogging about Corrective Actions and said that, whilst they were invaluable, taking Preventive Actions was even better, as it should stop the problems occurring in the first place, but is considerably more difficult! I thought … Continue reading

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Hong Kong and Shenzhen

I’ve just returned from a very interesting visit to a Contract Electronics Manufacturer in Shenzhen, China. Many of the things I have blogged about recently were clearly demonstrated including rigorous application of the 5S methodology along with good SPC and … Continue reading

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Posted in Main Page, Manufacturing, Product quality & reliability | Leave a comment

CE marking misconceptions

To the uninitiated, product regulatory and approvals requirements seem baffling and over-complicated beyond belief; ‘bureaucracy gone mad’. CE marking is a prime example. Most products that are to be placed on the market in Europe need to have the familiar … Continue reading

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Posted in European Directives, Main Page, Product quality & reliability | 6 Comments