Introduction to Six Sigma

Methodology and symbol of quality

Contents :Contents :

What is Six Sigma?What is Six Sigma? Why Six Sigma?Why Six Sigma? Six Sigma to Defect LevelsSix Sigma to Defect Levels Six Sigma Phases : Define, Measure, Six Sigma Phases : Define, Measure,

Analyze, Improve and ControlAnalyze, Improve and Control Tools and Key Roles for Six SigmaTools and Key Roles for Six Sigma

Six Sigma : An OverviewSix Sigma : An Overview

Sigma is a statistical concept that represents the amount of variation present in a process relative to customer requirements or specifications.

A statistical concept that measures a process in terms of defects – at the six sigma level, there 3.4 defects per million opportunities

Commonly denoted as 6σ, 6 Sigma, or 6s

Why should I use Six Sigma?

Quality

Growth

Process Improvement

Customer Satisfaction

Money

Time Reduction

Defect at Sigma Scale:-Defect at Sigma Scale:-

Sigma % Good % Bad DPMO

1 30.9% 69.1% 691,462

2 69.1% 30.9% 308,538

3 93.3% 6.7% 66,807

4 99.38% 0.62% 6,210

5 99.977% 0.023% 233

6 99.9997% 0.00034% 3.4

Six Sigma methodologies

Define Measure Analyze

Improve

Control DMAICDMAIC

Six Sigma PhasesSix Sigma Phases

Define

Measure

Define the project goals and customer

(internal and external) deliverables

Measure the process to determine

current performance

Analyze and determine the root

cause(s) of the defects

DefineDefine

Analyze

Six Sigma PhasesSix Sigma Phases

Improve

ControlControl future process performance

Improve the process by eliminating defects

Tools for Six SigmaTools for Six Sigma

• Balanced Scorecard• Stakeholder Analysis• Force Field Analysis• Cause & Effect Diagram• Affinity Diagram• SIPOC Diagram.• Minitab:- Statistical and Process Management Software for

Six Sigma and Quality Improvement.

Key Roles for Six Sigma Key Roles for Six Sigma

Are the employees who take up Six Sigma

implementation along with their other job

responsibilities. They operate under the

guidance of Black Belts and support them

in achieving the overall results.

Green BeltsGreen Belts

Key Roles for Six Sigma Key Roles for Six Sigma

Black BeltsBlack Belts Operate under Master Black Belts to apply

Six Sigma methodology to specific

projects. They primarily focus on Six

Sigma project execution.

Identified by champions, act as in-house

expert coach for the organization on Six

Sigma. They devote 100% of their time to

Six Sigma.

Master Master

Black BeltsBlack Belts

Key Roles for Six SigmaKey Roles for Six Sigma

Includes CEO and other key top

management team members. They are

responsible for setting up a vision for Six

Sigma implementation.

Executive Executive

LeadershipLeadership

ChampionsChampions Are responsible for the Six Sigma

implementation across the

organization in an integrated manner.

Champions also act as mentor to Black

Belts.

Thank You