Lean Manufacturing and Six Sigma Definitions

Glossary terms, history, people and definitions about Lean and Six Sigma

Andon

A visual and/or audible communication system that notifies everyone of abnormalities in a process when support or attention is needed. This can be triggered automatically or manually by a machine or person.

It could be a:

  • cord that is manually pulled (often seen on an assembly line)
  • light (red, yellow and green colors)
  • flag (also red, yellow and green) that is placed in a holder or flipped to signal a problem


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