![]() Poka-yoke can be implemented in many different ways. Implementing poka-yoke to eliminate unsafe errors Poka-yoke does not change human nature, but it does decrease the opportunities for a failure to occur, which helps drive quality higher and decreases the stress of the working environment. The reality of being human is that our rate of success at any given task, regardless of simplicity or complexity, is never 100%. ![]() Poka-yoke is an especially useful tool when you’re trying to improve upon the cost of quality, which is the concept that the longer it takes to detect an error, the more expensive it is to repair the error. Poka-yoke is used to avoid waste, typically by eliminating or minimizing quality mistakes that lead to rework and scrap as well as eliminating potential safety issues. Poka-yoke, a Japanese term that means “mistake-proofing,” refers to any tool or mechanism that keeps a person from being able to perform an action in an incorrect manner. There is a switch that triggers when the door is opened that tells the microwave to stop, and that switch is an excellent everyday example of poka-yoke. Have you ever accidentally microwaved your face? No? You’ve never opened the microwave door while it was cooking and accidently exposed your face to microwave energy? I know that you haven’t, because whenever you open the door, the microwave stops running. ![]() Definition of Poka-Yoke: « Back to Glossary Index ![]()
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