Error Proofing Solution Factsheet

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Overview

Error Proofing (or Poka-Yoke) is a remedy for one of the ‘7 wastes of lean manufacturing,’ specifically defects. Quality errors that cause defects require rework or replacement and utilize additional resources and materials that ultimately lead to additional costs and potential loss in customers.

Early on in the development of lean manufacturing processes it was identified that defects, amongst all the types of waste, are the most challenging to control with process design alone. Instead, many tools and techniques have been developed over time to help eliminate this source of waste from the manufacturing process.