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Poka-yoke (ポカヨケ) is a Japanese term that means “fail-safing” or “mistake-proofing”. A poka-yoke is any mechanism in a lean manufacturing process that helps an equipment operator avoid (yokeru) mistakes (poka). Its purpose is to eliminate product defects by preventing, correcting, or drawing attention to human errors as they occur.
The concept was formalised, and the term adopted, by Shigeo Shingo as part of the Toyota Production System or Lean Manufacturing. It was originally described as baka-yoke, but as this means “fool-proofing” (or “idiot-proofing”) the name was changed to the milder poka-yoke.
The articles below show examples of Poka-Yoke, the problem the actual Poka-Yoke device is meant to solve, and how you might apply the principle of Mistake Proofing to your work.
1) What is Poka-Yoke?
2) When to use Poka-Yoke?
3) How to use Poka-Yoke?
Share on Twitter Share on Google+ Share on Facebook Share on LinkedIn Few of us think of eating as a process, but it is. And, just like any process, there are wastes that can be categorized into the 7 Wastes. For example, one could even commit Overproduction – in other words, eat more than is [...]
Share on Twitter Share on Google+ Share on Facebook Share on LinkedIn There are numerous methods of preventing error or preventing defects. We discuss several of those in my series on Poka Yoke Examples. But, rarely, do we see an example of Poka Yoke where humiliation and embarassment was the primary method of preventing human [...]
Share on Twitter Share on Google+ Share on Facebook Share on LinkedIn We know that a Poka-Yoke approach is a much more effective approach to preventing mistakes and errors. But, sometimes, we see the approach of providing a “do not” sign only, which by itself, is not effective. But, coupled with a process or system [...]
Share on Twitter Share on Google+ Share on Facebook Share on LinkedIn My family and I recently returned from a vacation. We went on a cruise – our first one. And, our experience was great. I highly recommend going on a cruise – much more affordable than Disneyland, that’s for sure. There are other benefits [...]
Share on Twitter Share on Google+ Share on Facebook Share on LinkedIn Most of us are familiar with ATM machines. If you deposit or withdraw money from a bank, rent from a Redbox DVD machine, or have bought from a soda machine, you’ve likely used an ATM like machine. This specific experience I had highlighted [...]
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