CHAPTER 3

A Framework for Applying Lean

Many structured approaches exist for improving processes and solving problems. The Plan, Do, Check, and Act (PDCA) approach has existed for a long time and provides one well-known framework as does Define, Measure, Analyze, Improve, and Control (DMAIC) which is used in the Six Sigma process improvement methodology:

1.Map the process: This is called the value stream map (VSM).

2.Analyze the current state VSM looking for unnecessary lead time and possible ways to reduce that wasted lead time using Lean tools.

3.Draw a new process map that reflects ideas for improving the process and reducing its lead time: This is called the future state VSM.

4.Determine from the revised process map how much lead time can ...

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