Lean Six Sigma: Difference between revisions
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=Kaizen (Continuous Improvement) vs Six Sigma= | |||
{| class="wikitable" | |||
! Kaizen | |||
! Six Sigma | |||
|- | |||
| Continuous small improvements (everyday change) | |||
| Structured, project-based defect and variation reduction | |||
|- | |||
| Everyone participates; frontline-driven | |||
| Typically led by trained roles (Green/Black Belts) with executive sponsorship | |||
|- | |||
| Cultural mindset and habits; improvement as part of daily work | |||
| Methodology with defined phases and deliverables (DMAIC/DMADV) | |||
|- | |||
| Fast experimentation; “try, learn, standardize” | |||
| Data- and analysis-intensive; statistical tools common | |||
|- | |||
| Focus: flow, waste reduction, work standardization, ergonomics | |||
| Focus: variation control, capability, defect reduction (DPMO, sigma level) | |||
|- | |||
| Measurement: simple operational metrics (lead time, WIP, rework, safety) | |||
| Measurement: process capability, control charts, hypothesis tests, DOE | |||
|- | |||
| Best for: high-frequency opportunities, local process improvements | |||
| Best for: chronic quality problems, complex cross-functional processes | |||
|- | |||
| Typical cadence: daily/weekly improvements; occasional Kaizen events | |||
| Typical cadence: defined projects lasting weeks to months | |||
|} | |||
Revision as of 22:15, 1 March 2026
https://en.wikipedia.org/wiki/Lean_Six_Sigma (LSS)
DOWNTIME is an acronym in LSS representing 8 forms of waste. Defects. Overproduction. Waiting. Transportation. Non-used talent, Inventory. Motion. Extra processing.
Here are some useful icons [1]:
Kaizen (Continuous Improvement) vs Six Sigma
| Kaizen | Six Sigma |
|---|---|
| Continuous small improvements (everyday change) | Structured, project-based defect and variation reduction |
| Everyone participates; frontline-driven | Typically led by trained roles (Green/Black Belts) with executive sponsorship |
| Cultural mindset and habits; improvement as part of daily work | Methodology with defined phases and deliverables (DMAIC/DMADV) |
| Fast experimentation; “try, learn, standardize” | Data- and analysis-intensive; statistical tools common |
| Focus: flow, waste reduction, work standardization, ergonomics | Focus: variation control, capability, defect reduction (DPMO, sigma level) |
| Measurement: simple operational metrics (lead time, WIP, rework, safety) | Measurement: process capability, control charts, hypothesis tests, DOE |
| Best for: high-frequency opportunities, local process improvements | Best for: chronic quality problems, complex cross-functional processes |
| Typical cadence: daily/weekly improvements; occasional Kaizen events | Typical cadence: defined projects lasting weeks to months |