What is the primary objective of Poka-Yoke?

What is the primary objective of Poka-Yoke?

• A. Detect Defects After Production
• B. Prevent Errors From Being Introduced
• C. Optimize SMED
• D. Reduce Cycle Time

Answer: (B)

Poka-Yoke is about making errors impossible or immediately obvious so they don’t become defects in the first place. The goal is to prevent mistakes from being introduced into the process, using simple devices or methods that stop the wrong action or halt the process if something is not right. For example, a fixture that only fits one correct orientation, or a sensor that stops a machine if a part isn’t present. This proactive approach reduces scrap and rework by catching issues before they propagate. In contrast, detecting defects after production, reducing setup time, or shortening cycle time address different goals and aren’t the primary aim of Poka-Yoke.

Poka-Yoke is about making errors impossible or immediately obvious so they don’t become defects in the first place. The goal is to prevent mistakes from being introduced into the process, using simple devices or methods that stop the wrong action or halt the process if something is not right. For example, a fixture that only fits one correct orientation, or a sensor that stops a machine if a part isn’t present. This proactive approach reduces scrap and rework by catching issues before they propagate. In contrast, detecting defects after production, reducing setup time, or shortening cycle time address different goals and aren’t the primary aim of Poka-Yoke.