The Lean Six Sigma Black Belt Handbook

1

Introduction to Lean SixSigma Methodology

Lean Six Sigma increases the focus on Lean approaches with less emphasis on the statistical rigor included in the Six Sigma methodology alone.

—H. J. Harrington

Lean Six Sigma is a synergistic process that creates a value stream map of the process identifying value add and non-value add costs, and captures the Voice of the customer to define the customer Critical To Quality issues. Projects within the process are then prioritized based on the delay time they inject. This prioritization process inevitably pinpoints activities with high defect rates (Six Sigma tools) or long setups, downtime ...