What is Poka-Yoke?

Poka-Yoke means Mistake Proofing or Error Prevention. Poka-Yoke prevents defects from being made or it highlights a defect so that it is not passed to the next operation. A poka-yoke is any mechanism in a process that helps an equipment operator avoid (yokeru) mistakes (poka) and defects by preventing, correcting, or drawing attention to human errors as they occur.

Benefits of Poka-Yoke:

Poka-Yoke saves time and money by preventing defects or being made defective products.

It is difficult to find all defects by inspection so we can use Poka-Yoke for effective and efficient operation.

Poka-Yoke prevents human error and it is a very important tool.