Poka Yoke

POKA YOKE OR MISTAKE PROOFING Trupti Musale Roll no. 7508

WHAT IS MISTAKE PROOFING? Matsushita manufacturing engineer named Shigeo Shingo

Objective to achieve zero defects

WHEN TO USE MISTAKE PROOFING? Processing error 2. Setup error 3. Missing part 4. Improper part 5. Operation error 6. Measurement error 1.

HOW TO USE MISTAKE PROOFING? Identify the process 2. Process can fail 3. Decide right poke yoke approach 4. Use of checklist 5. Trail the method 6. Train the operator 1.

PRINCIPLES IN MISTAKE PROOFING Build

good quality into the processes Eliminate all errors and defects Stop doing it wrong and start doing it right Don’t think up excuses; think about how to do it right A 51% chance of success is good enough –implement your idea

Mistakes

and defects can be reduced to zero when everyone works together to eliminate them Many Ask

heads are better than one

“WHY” and “HOW”

EXAMPLE