Definition of Poka-Yoke:
Japanese term which means mistake proofing.
A poka-yoke device is one that prevents incorrect parts from being made or assembled, or easily identifies a flaw or error.
A means of providing a visual or other signal to indicate a characteristic state. Often referred to as “error-proofing,” poka-yoke is actually the first step in truly error-proofing a system. Error-proofing is a manufacturing technique of preventing errors by designing the manufacturing process, equipment, and tools so that an operation literally cannot be performed incorrectly.
To avoid (yokeru) inadvertent errors (poka).« Back to Dictionary Index