© 2004 Cayman Business Systems
Rev: Pre-G3 - Rendered  Thursday, February 12, 2004
Slide 173
Elsmar.com  --- The Cove!
8-Disciplines Problem Solving
Elsmar.com
Poka Yoke Defined
•Shigeo Shingo defines Poka Yoke as:
•Poka
– “Inadvertent Mistake That Anyone Can Make”
•Yoke
–“To Prevent or Proof”
–
•
Shigeo Shingo, a Japanese Industrial Engineer, contributed many concepts to modern Management and Manufacturing practices.  Some of these included the creation of:
dZero Quality Control “Shipping No defects”
dSequence Inspection “Checking previous work, Prior to starting your task”
dSource Inspection “Checking ones own work”
dPoka Yoke “Mistake Proofing”
dSMED (Single Minute Exchanges of Dies)
Although he did not create the concepts of Sequence and Source Inspection, Shingo developed a structure of knowing which to use when.