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Tools Framework of Six Sigma
In my previous articles I had described about the formulas and the framework of Define, Measure, Analyse Improve and Control (DMAIC) of Six Sigma in this context we are discussing about the various tools used in each phase; please refer the table below.
Tools used In Define Phase
| 5 Whys | Data Collection Plan | Prioritization Matrix |
| Activity network Diagrams
|
Failure Mode and effect analysis | Process Decision Program Chart |
| Advance quality planning | Flowchart/process mapping as is | Project Charter |
| Auditing | Focus Groups | Project management |
| Benchmarking | Force Field Analysis | Project Scope |
| Brainstorming | Gantt Chart | Project Tracking |
| Cause and effect diagrams | Kano Model | Quality Function Deployment (QFD) |
| Check sheets | Matrix Diagrams | Run Charts |
| Communication plan | Meeting Minutes | Sampling |
| Control Charts | Multi voting | Stakeholder Analysis |
| Critical to Quality tree | Nominal Group Technique | SIPOC |
| Customer feedback | Pareto Charts | Tollgate review |
| Customer identification | PERT | Tree diagrams, Y= F(x) |
Tools used in Measure Phase
| Basic Statistics
|
Histograms | Regression |
| brainstorming |
Hypothesis Testing |
Run Charts |
| Cause and effect diagram | Measurement System Analysis | Scatter Diagrams |
| Check Sheets | Meeting Minutes | Statistical process Controls (SPC) |
| Circle Diagrams | Operational Definitions | SIPOC |
| Correlation | Pareto charts | Taguchi loss Function |
| Data Collection | Probability | Toll gate review |
| Data collection Plan | Process capability analysis | Value Stream maps |
| Failure Mode and effect analysis | Process Flow metrics | |
| Flowcharts | Process maps | |
| Gage R&R | Project Management | |
| Graphical methods | Project Tracking |
Tools used in Analyse Phase
| Affinity Diagrams | Non Parametric Tests | Y=f(x) |
| Annova | Parametric tests | |
| Basic Statistics | Process Capability Analysis | |
| Brainstorming | Project Management | |
| Cause and Effect diagrams | Project tracking | |
| Components of Variation | Regression | |
| Design of experiments | Root cause analysis | |
| FMEA | Run charts | |
| Gap Analysis | Scatter diagrams | |
| Histograms | Simulation | |
| Hypothesis Testing | SIPOC | |
| Meeting Minutes | Tollgate review | |
| Multi vari Studies | Tree diagram | |
| Multiple regression | Waste analysis |
Tools used In Improve Phase
| Activity network Diagrams | PERT |
| Anova | Process Capability Analysis |
| brainstorming | Project Management |
| Control Charts | Project tracking |
| Design of Experiments(DOE) | Risk Analysis |
| FMEA | Taguchi designs |
| Process Mapping ( to be –Future) | Toll gate review |
| Gantt charts | Value Stream maps |
| Hypothesis Testing | Work breakdown Structure (WBS) |
| Measurement System Analysis (MSA) | Y=f(x) |
| Meeting Minutes | |
| Pareto charts |
Tools used in Control Phase
| 5S | Pre control |
| Basic Statistics | Project management |
| Communication Plan | Project tracking |
| Control Charts | Run Charts |
| Control Plan | Six Sigma Story board |
| Data Collection | Standard Operating procedures(SOP) |
| Data Collection plan | Statistical process control (SPC) |
| Kaizen | Tollgate review |
| Kanban | Total productive maintenance |
| Lessons Learned | Training Plan deployment |
| MSA | Work instructions |
| Meeting Minutes | |
| Mistake proofing / Poka Yoke |
The Author Suresh .V. Menon is a lean Six Sigma Black Belt Certified Accredited by IASSC and is also the member of Research and Scientific Innovation Society (RSIS) and has an experience of 23 years in the IT Industry ; is also a Six Sigma Trainer and Consultant, he can be contacted at sureshmenonr1009@gmail.com for comments and queries.
