The Lean Goal Is Zero Defects
Many organizations use what is called statistical process control (SPC); however, SPC will not ensure zero defects, since the defects are usually detected after they are made (historical data). SPC should be used as a preventive tool to identify patterns before an out-of-control condition happens. In a truly Lean environment, abnormalities should be clearly and immediately visible in the workplace and fixed in real time. Lean requires defect-free processes to support a just in time (JIT) system, thus the goal of Lean is 100% defect prevention at the source. If this is not the case, then the system breaks down and delays will occur.
Mistake-proofing, also known as poka yoke in Japanese, ...
Get Implementing Lean now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
