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Introduction To Introduction To SIX - SIGMA SIX - SIGMA Presented by : Presented by : http://www.QualityGurus.com
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Introduction To Six Sigma

Nov 29, 2014

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Siddharth Nath

Introduction To Six Sigma
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Page 1: Introduction To Six Sigma

Introduction ToIntroduction ToSIX - SIGMASIX - SIGMA

Presented by : Presented by : http://www.QualityGurus.com

Page 2: Introduction To Six Sigma

QualityGurus.com

AgendaAgenda

0750 - 08000750 - 0800 Participants introductionParticipants introduction

0800 - 09300800 - 0930 Introduction to Six Sigma conceptIntroduction to Six Sigma concept

Key ConceptsKey Concepts0930 - 09450930 - 0945 Tea / Coffee BreakTea / Coffee Break

0945 - 12000945 - 1200 Forms of wasteForms of waste

What is SigmaWhat is Sigma

Components of Six SigmaComponents of Six Sigma1200 - 01001200 - 0100 Lunch Break Lunch Break

0100 - 02000100 - 0200 Selecting a ProjectSelecting a Project

0200- 03000200- 0300 Open session / Q&AOpen session / Q&A

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Participants IntroductionParticipants Introduction

Your NameYour Name

DepartmentDepartment

Your job profileYour job profile

Your exposure to Quality Management/ Your exposure to Quality Management/ Six SigmaSix Sigma

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Ground RulesGround Rules

Program success depends on your participation. Program success depends on your participation. Actively participate.Actively participate.

Please avoid cross-talks.Please avoid cross-talks.

Observe specified timings.Observe specified timings.

Please keep your mobile phones switched off.Please keep your mobile phones switched off.

Feel free to ask question at any point of time.Feel free to ask question at any point of time.

- Restrict question to specific issue being - Restrict question to specific issue being discussed, while generaldiscussed, while general

questions can be discussed during Q & A questions can be discussed during Q & A session.session.

Enjoy the program !Enjoy the program !

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Purpose of six sigma : Purpose of six sigma : To make customer happier and increase To make customer happier and increase

profitsprofits

Introduction to Six SigmaIntroduction to Six Sigma

Page 6: Introduction To Six Sigma

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Origin of Six SigmaOrigin of Six Sigma

1987 Motorola Develops Six Sigma1987 Motorola Develops Six SigmaRaised Quality StandardsRaised Quality Standards

Other Companies Adopt Six SigmaOther Companies Adopt Six SigmaGEGEPromotions, Profit Sharing (Stock Options), Promotions, Profit Sharing (Stock Options),

etc. directly tied to Six Sigma training.etc. directly tied to Six Sigma training.

Dow Chemical, DuPont, Honeywell, Dow Chemical, DuPont, Honeywell, WhirlpoolWhirlpool

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Time LineTime Line

2002200219951995199219921987198719851985

Dr Mikel J Harry wrote aPaper relating early failures to quality

Motorola

Allied Signal

General Electric

Johnson & Johnson,Ford, Nissan,Honeywell

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Width of landing strip 1/2 Width

of landingstrip

If pilot always lands within 1/2 the landing strip width, we say that he has Six-sigma capability.

Pilot’s Six-Sigma Pilot’s Six-Sigma PerformancePerformance

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Current Leadership ChallengesCurrent Leadership Challenges

Delighting Customers.Delighting Customers.Reducing Cycle Times.Reducing Cycle Times.Keeping up with Technology Keeping up with Technology Advances.Advances.Retaining People.Retaining People.Reducing Costs.Reducing Costs.Responding More Quickly.Responding More Quickly.Structuring for Flexibility. Structuring for Flexibility. Growing Overseas Markets.Growing Overseas Markets.

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Six Sigma— Benefits?Six Sigma— Benefits?Generated sustained successGenerated sustained successProject selection tied to Project selection tied to organizational strategy organizational strategy

Customer focusedCustomer focusedProfitsProfits

Project outcomes / benefits tied to Project outcomes / benefits tied to financial reporting system.financial reporting system.Full-time Black Belts in a rigorous, Full-time Black Belts in a rigorous, project-oriented method.project-oriented method.Recognition and reward system Recognition and reward system established to provide motivation.established to provide motivation.

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Management involvement?Management involvement?

Executives and upper management Executives and upper management drive the effort through:drive the effort through:

Understanding Six SigmaUnderstanding Six Sigma

Significant financial commitmentsSignificant financial commitments

Actively selecting projects tied to Actively selecting projects tied to strategystrategy

Setting up formal review processSetting up formal review process

Selecting ChampionsSelecting Champions

Determining strategic measuresDetermining strategic measures

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Key issues for Leadership:Key issues for Leadership:How will leadership organize to support How will leadership organize to support Six Sigma ? (6 Six Sigma ? (6 council, Director 6 council, Director 6 , , etc)etc)

Transition rate to achieve 6 Transition rate to achieve 6 ..

Level of resource commitment.Level of resource commitment.

Centralized or decentralized approach.Centralized or decentralized approach.

Integration with current initiatives e.g. Integration with current initiatives e.g. QMSQMS

How will the progress be monitored?How will the progress be monitored?

Management Involvement?Management Involvement?

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What can it do?What can it do?Motorola:Motorola:

5-Fold growth in Sales5-Fold growth in Sales

Profits climbing by 20% paProfits climbing by 20% pa

Cumulative savings of $14 billion Cumulative savings of $14 billion over 11 yearsover 11 years

General Electric:General Electric:$2 billion savings in just 3 years$2 billion savings in just 3 years

The no.1 company in the USAThe no.1 company in the USA

Bechtel Corporation:Bechtel Corporation:$200 million savings with $200 million savings with investment of $30 millioninvestment of $30 million

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GE Six Sigma EconomicsGE Six Sigma Economics

1996 1998 20002002

0

500

1000

1500

2000

2500

1996

Cost

Benefit

(in millions)

Source: 1998 GE Annual Report, Jack Welch Letter to Share Owners and Employees - progress based upon total corporation cost/benefits attributable to Six Sigma.

6 Sigma Project Progress

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PAIN, URGENCY, SURVIVAL

COSTS OUT

GROWTH

TRANSFORM THE ORGANIZATION

CHANGE THE

WORLD

6 SIGMA AS ASTATISTICAL

TOOL

6 SIGMA AS APHILOSOPHY

6 SIGMA ASA PROCESS

Overview of Six Overview of Six SigmaSigma

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Overview of Six Overview of Six SigmaSigma

It is a PhilosophyIt is a PhilosophyAnything less than Anything less than ideal is an opportunity ideal is an opportunity for improvementfor improvementDefects costs moneyDefects costs moneyUnderstanding Understanding processes and processes and improving them is the improving them is the most efficient way to most efficient way to achieve lasting resultsachieve lasting results

It is a ProcessIt is a ProcessTo achieve this level of To achieve this level of performance you need performance you need to: to:

DDefine, efine, MMeasure, easure, AAnalyse, nalyse, IImprove and mprove and CControlontrol

It is StatisticsIt is Statistics

6 Sigma processes will 6 Sigma processes will produce less than 3.4 produce less than 3.4 defects per million defects per million opportunitiesopportunities

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PhilosophyPhilosophy

Know What’s Know What’s Important to the Important to the Customer (CTQ)Customer (CTQ)

Reduce Defects Reduce Defects (DPMO) (DPMO)

Center Around Center Around Target (Mean) Target (Mean)

Reduce Variation Reduce Variation (Standard Deviation)(Standard Deviation)

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Critical ElementsCritical Elements

Genuine Focus on the CustomerGenuine Focus on the CustomerData and Fact Driven ManagementData and Fact Driven ManagementProcess FocusProcess FocusProactive managementProactive managementBoundary-less CollaborationBoundary-less CollaborationDrive for Perfection; Tolerance for Drive for Perfection; Tolerance for failurefailure

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Data Driven Data Driven DecisionDecision

• YY• DependentDependent• OutputOutput• EffectEffect• SymptomSymptom• MonitorMonitor

• X1 . . . XnX1 . . . Xn• IndependentIndependent• Input-ProcessInput-Process• CauseCause• ProblemProblem• ControlControl

f(X)f(X)Y=Y=

The focus of Six sigma is to identify and control XsThe focus of Six sigma is to identify and control Xs

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Two ProcessesTwo Processes

• DefineDefine• MeasureMeasure• AnalyzeAnalyze• ImproveImprove• ControlControl

• DefineDefine• MeasureMeasure• AnalyzeAnalyze• DesignDesign• VerifyVerify

DMAICDMAIC DMADVDMADV

• Existing Existing ProcessesProcesses

• New ProcessesNew Processes• DFSSDFSS

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Key ConceptsKey Concepts

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COPQ (Cost of Poor COPQ (Cost of Poor Quality)Quality)

- Lost Opportunities

- The Hidden Factory

- More Setups- Expediting Costs- Lost Sales- Late Delivery- Lost Customer Loyalty- Excess Inventory- Long Cycle Times- Costly Engineering Changes

Average COPQ approximately 15% of Sales

Hidden Costs:- Intangible- Difficult to Measure

Traditional Quality Costs:- Tangible- Easy to Measure

- Inspection- Warranty- Scrap- Rework- Rejects

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0%5%

10%15%20%25%30%35%40%45%50%

2 3 4 5 6

Co

st

of

Qu

alit

y %

Sa

les

Sigma Level

COPQ v/s Sigma COPQ v/s Sigma LevelLevel

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CTQ (Critical-To-CTQ (Critical-To-Quality)Quality)

CTQ characteristics for the process, CTQ characteristics for the process, service or processservice or processMeasure of “What is important to Measure of “What is important to Customer”Customer”6 Sigma projects are designed to 6 Sigma projects are designed to improve CTQimprove CTQExamples:Examples:

Waiting time in clinicWaiting time in clinicSpelling mistakes in letterSpelling mistakes in letter% of valves leaking in operation% of valves leaking in operation

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Defective and DefectDefective and Defect

A nonconforming unit is a defective unitA nonconforming unit is a defective unit

Defect is nonconformance on one of many Defect is nonconformance on one of many possible quality characteristics of a unit possible quality characteristics of a unit that causes customer dissatisfaction.that causes customer dissatisfaction.

A defect does not necessarily make the A defect does not necessarily make the unit defectiveunit defective

Examples:Examples:Scratch on water bottle Scratch on water bottle

(However if customer wants a scratch free (However if customer wants a scratch free bottle, then this will be defective bottle)bottle, then this will be defective bottle)

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Defect OpportunityDefect Opportunity

Circumstances in which CTQ can fail Circumstances in which CTQ can fail to meet.to meet.Number of defect opportunities relate Number of defect opportunities relate to complexity of unit.to complexity of unit.Complex units – Greater Complex units – Greater opportunities of defect than simple opportunities of defect than simple unitsunitsExamples:Examples:

A units has 5 parts, and in each part there are 3 A units has 5 parts, and in each part there are 3 opportunities of defects – Total defect opportunities of defects – Total defect opportunities are 5 x 3 = 15 opportunities are 5 x 3 = 15

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DPO (Defect Per DPO (Defect Per Opportunity)Opportunity)

Number of defects divided by number Number of defects divided by number of defect opportunitiesof defect opportunities

Examples:Examples:In previous case (15 defect opportunities), if 10 In previous case (15 defect opportunities), if 10 units have 2 defects.units have 2 defects.

Defects per unit = 2 / 10 = 0.2Defects per unit = 2 / 10 = 0.2

DPO = 2 / (15 x 10) = 0.0133333DPO = 2 / (15 x 10) = 0.0133333

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DPMO (Defect Per Million DPMO (Defect Per Million Opportunities)Opportunities)

DPO multiplies by one millionDPO multiplies by one million

Examples:Examples:In previous case (15 defect opportunities), if 10 In previous case (15 defect opportunities), if 10 units have 2 defects.units have 2 defects.

Defects per unit = 2 / 10 = 0.2Defects per unit = 2 / 10 = 0.2

DPO = 2 / (15 x 10) = 0.0133333DPO = 2 / (15 x 10) = 0.0133333

DPMO = 0.013333333 x 1,000,000 = 13,333DPMO = 0.013333333 x 1,000,000 = 13,333

Six Sigma performance is 3.4 DPMO

13,333 DPMO is 3.7 Sigma

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YieldYield

Proportion of units within Proportion of units within specification divided by the total specification divided by the total number of units.number of units.

Examples:Examples:If 10 units have 2 defectivesIf 10 units have 2 defectives

Yield = (10 – 2) x 100 /10 = 80 %Yield = (10 – 2) x 100 /10 = 80 %

Rolled Through Yield (RTY)Rolled Through Yield (RTY)Y1 x Y2 x Y3 x ……. x YnY1 x Y2 x Y3 x ……. x Yn

E.g 0.90 x 0.99 x 0.76 x 0.80 = 0.54E.g 0.90 x 0.99 x 0.76 x 0.80 = 0.54

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Forms of WasteForms of Waste

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What are the forms of What are the forms of waste?waste?1.1. Waste of CorrectionWaste of Correction2.2. Waste of OverproductionWaste of Overproduction3.3. Waste of processingWaste of processing4.4. Waste of conveyance (or Waste of conveyance (or

transport)transport)5.5. Waste of inventoryWaste of inventory6.6. Waste of motionWaste of motion7.7. Waste of waitingWaste of waiting

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1. Waste of correction1. Waste of correction

Repairing a defect wastes time Repairing a defect wastes time and resources (Hidden factory)and resources (Hidden factory)

Operation Operation 11

TestTest TestTest ProductProductOperation Operation

22

FailureFailureInvestigationInvestigation

ReworkRework

FailureFailureInvestigationInvestigation

ReworkRework

HiddenHiddenFactoryFactory

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2. Waste of 2. Waste of OverproductionOverproduction

Producing more than necessary or Producing more than necessary or producing at faster rate than requiredproducing at faster rate than required

Excess labor, space, money, handlingExcess labor, space, money, handling

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3. Waste of processing3. Waste of processing

Processing that does not provide Processing that does not provide value to the productvalue to the product

Excess level of approvalsExcess level of approvals

Tying memos that could be handwrittenTying memos that could be handwritten

Cosmetic painting on internals of Cosmetic painting on internals of equipmentequipment

Paint thickness more than specific valuesPaint thickness more than specific values

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4. Waste of conveyance4. Waste of conveyance

Unnecessary movement of material Unnecessary movement of material from one place to other to be from one place to other to be minimized because -minimized because -

It adds to process timeIt adds to process time

Goods might get damagedGoods might get damaged

Convey material and information Convey material and information ONLY when and where it is needed.ONLY when and where it is needed.

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5. Waste of inventory5. Waste of inventory

Any excess inventory is drain on an Any excess inventory is drain on an organization.organization.

Impact on cash flowImpact on cash flow

Increased overheadsIncreased overheads

Covers Quality and process issuesCovers Quality and process issues

ExamplesExamplesSpares, brochures, stationary, …Spares, brochures, stationary, …

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6. Waste of Motion6. Waste of Motion

Any movement of people, equipment, Any movement of people, equipment, information that does not contribute information that does not contribute value to product or servicevalue to product or service

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7. Waste of Waiting7. Waste of Waiting

Idle time between operationsIdle time between operations

Period of inactivity in a downstream Period of inactivity in a downstream process because an upstream activity process because an upstream activity does not deliver on time.does not deliver on time.

Downstream resources are then often Downstream resources are then often used in activities that do not add used in activities that do not add value, or worst result in value, or worst result in overproduction.overproduction.

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Some more sources of Some more sources of WasteWaste

Waste of untapped human potential.Waste of untapped human potential.

Waste of inappropriate systemsWaste of inappropriate systems

Wasted energy and waterWasted energy and water

Wasted materialsWasted materials

Waste of customer timeWaste of customer time

Waste of defecting customersWaste of defecting customers

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What is Sigma?What is Sigma?

Page 41: Introduction To Six Sigma

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Have you ever…Have you ever…

Shot a rifle?Shot a rifle?

Played darts?Played darts?

What is the point of these sports?What makes them hard?

Page 42: Introduction To Six Sigma

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Jack

Jill

Who is the better shooter?

Have you ever…Have you ever…

Shot a rifle?Shot a rifle?

Played darts?Played darts?

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VariabilityVariability

Deviation = distance between Deviation = distance between observations and the mean (or observations and the mean (or average)average)

Observations Deviations

1010 - 8.4 =

1.6

9 9 - 8.4 = 0.6

8 8 - 8.4 = -0.4

8 8 - 8.4 = -0.4

7 7 - 8.4 = -1.4

averages 8.4 0.0

Jack

871089

Jill

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Deviation = distance between Deviation = distance between observations and the mean (or observations and the mean (or average)average)

Observations Deviations

7 7 - 6.6 = 0.4

7 7 - 6.6 = 0.4

7 7 - 6.6 = 0.4

6 6 - 6.6 = -

0.6

66 - 6.6 = -

0.6

averages 6.6 0.0

Jack

Jill

76776

VariabilityVariability

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Variance = average distance Variance = average distance between observations and between observations and the mean squaredthe mean squared

Observations Deviations

1010 - 8.4 =

1.6

99 – 8.4 =

0.6

88 – 8.4 = -

0.4

88 – 8.4 = -

0.4

77 – 8.4 = -

1.4

averages 8.4 0.0

Squared Deviations

2.56

0.36

0.16

0.16

1.96

1.0

Variance

Jack

871089

Jill

VariabilityVariability

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Variance = average distance Variance = average distance between observations and between observations and the mean squaredthe mean squared

Observations Deviations

7 7 - 6.6 = 0.4

7 7 - 6.6 = 0.4

7 7 - 6.6 = 0.4

66 – 6.6 = -

0.6

66 – 6.6 = -

0.6

averages 6.6 0.0

Squared Deviations

0.16

0.16

0.16

0.36

0.36

0.24

Variance

Jack

Jill

76776

VariabilityVariability

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VariabilityVariabilityStandard deviation Standard deviation = square root of = square root of variancevariance

Jack

Jill

AverageAverage VariancVariancee

Standard Standard DeviationDeviation

JackJack 8.48.4 1.01.0 1.01.0JillJill 6.66.6 0.240.24 0.48989790.4898979

But what good is a standard deviation

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The world tends to be bell-shaped

Most outcomes

occur in the middle

Fewer in the “tails”

(lower)

Fewer in the “tails” (upper)

Even very rare outcomes are

possible

Even very rare outcomes are

possible

VariabilityVariability

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Add up the dots on the dice

0

0.05

0.1

0.15

0.2

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Sum of dots

Pro

ba

bili

ty 1 die

2 dice

3 dice

Here is why: Here is why: Even outcomes that are equally Even outcomes that are equally likely (like dice), when you add likely (like dice), when you add them up, become bell shapedthem up, become bell shaped

VariabilityVariability

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Normal distributions are divide upinto 3 standard deviations on each side of the mean

Once your that, you know a lot about what is going on

And that is what a standard deviation is good for

““Normal” bell shaped curveNormal” bell shaped curve

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Causes of VariabilityCauses of Variability

Common CausesCommon Causes::Random variation within predictable range Random variation within predictable range (usual)(usual)No patternNo patternInherent in processInherent in processAdjusting the process increases its variationAdjusting the process increases its variation

Special CausesSpecial CausesNon-random variation (unusual)Non-random variation (unusual)May exhibit a patternMay exhibit a patternAssignable, explainable, controllableAssignable, explainable, controllableAdjusting the process decreases its variationAdjusting the process decreases its variation

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LimitsLimits

Process and Control limits:Process and Control limits: StatisticalStatistical

Process limits are used for Process limits are used for individual itemsindividual items

Control limits are used with Control limits are used with averagesaverages

Limits = Limits = μμ ± 3 ± 3σσ

Define usual (common causes) & unusual Define usual (common causes) & unusual (special causes)(special causes)

Specification limits:Specification limits:

EngineeredEngineered

Limits = target ± toleranceLimits = target ± tolerance

Define acceptable & unacceptableDefine acceptable & unacceptable

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Usual v/s Unusual, Usual v/s Unusual, Acceptable v/s DefectiveAcceptable v/s Defective

Another View

LSL USL USLLSL

Off-Target Large Variation

On-Target

CenterProcess

Reduce Spread

The statistical view of a problem

USLLSL LSL = Lower spec limit

USL = Upper spec limit

LSL = Lower spec limit

USL = Upper spec limit

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More about limitsMore about limits

Good quality: defects are rare (Cpk>1)

Poor quality: defects are common (Cpk<1)

Cpk measuresmeasures “Process Capability”

If process limits and control limits are at the same location, Cpk = 1. Cpk ≥ 2 is exceptional.

μtarget

μtarget

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Process capabilityProcess capability

Good quality: defects are rare (Cpk>1)Good quality: defects are rare (Cpk>1)Poor quality: defects are common (Cpk<1)Poor quality: defects are common (Cpk<1)

Cpk = min

USL – x3σ

=

x - LSL3σ

=

3σ = (UPL – x, or x – LPL) = =

14 20 26 15 24

24 – 203(2)

= =.667

20 – 153(2)

= =.833

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1 122 3 4 5 6 7 8 9 10 11

1 1 1 1 116

LSL USL

A Six Sigma Process –A Six Sigma Process – Predictably twice as good as what the Predictably twice as good as what the customer wantscustomer wants

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3 3 v/s 6 v/s 6

2 3 4 5 6 7 8 9 1210 16151413111

LSL USL

6 Sigma curve

3 Sigma curve

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Process shift Process shift allowedallowed

2 3 4 5 6 7 8 9 1210 16151413111

LSL USL

SD = 1

1.5 SD 1.5 SD

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Six Sigma Six Sigma MeasurementMeasurement

34

5

6

7

66810

6210

233

3.4

Sigma

DPMO

On one condition :

Calculate the defects and estimate the opportunities in the same way...

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Six Sigma Six Sigma MeasurementMeasurement

0

100,000

200,000

300,000

400,000

500,000

600,000

1.5 2.5 3.5 4.5 5.5

# of Sigmas

# of

Def

ect p

er M

illio

n

Sigma Defects numbers per million

1.5s 500,000 2.0s 308,300 2.5s 158,650 3.0s 67,000 3.5s 22,700 4.0s 6,220 4.5s 1,350 5.0s 233 5.5s 32 6.0s 3.4

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Components of Six SigmaComponents of Six Sigma

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ComponentsComponents

Two components of Six SigmaTwo components of Six Sigma

1. Process Power1. Process Power

2. People Power2. People Power

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Process PowerProcess Power

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P-D-C-AP-D-C-A

P

DC

APlan

DoCheck

Act

Act on what was learned

Check the results

Plan the change

Implement the change on a small scale.

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ApproachApproach

Practical Problem

StatisticalProblem

Statistical Solution

Practical Solution

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DMAIC - simplifiedDMAIC - simplified

DDefineefineWhat is important?What is important?

MMeasureeasureHow are we doing?How are we doing?

AAnalyzenalyzeWhat is wrong?What is wrong?

IImprovemproveFix what’s wrongFix what’s wrong

CControlontrolEnsure gains are Ensure gains are maintained to guarantee maintained to guarantee performanceperformance

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DMAIC approachDMAIC approach

DDefine

MMeasure

AAnalyze

IImprove

CControl

Identify and state the practical problem

Validate the practical problem by collecting data

Convert the practical problem to a statistical one, define statistical goal and identify potential statistical solution

Confirm and test the statistical solution

Convert the statistical solution to a practical solution

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DefineDefine

DDefine

MMeasure

AAnalyze

IImprove

CControl

VoCVoC - Who wants the project and why ?

The scope of project / improvement (SMART Objective)

Key team members / resources for the project

Critical milestones and stakeholder review

Budget allocation

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MeasureMeasure

Ensure measurement system reliability

Prepare data collection plan

Collect data

- Is tool used to measure the output variable flawed ?

- How many data points do you need to collect ?- How many days do you need to collect data for ?- What is the sampling strategy ?- Who will collect data and how will data get stored ? - What could the potential drivers of variation be ?

DDefine

MMeasure

AAnalyze

IImprove

CControl

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AnalyzeAnalyze

How well or poorly processes are working compared with- Best possible (Benchmarking)- Competitor’s

Shows you maximum possible result

Don’t focus on symptoms, find the root cause

DDefine

MMeasure

AAnalyze

IImprove

CControl

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ImproveImprove

Present recommendations to process owner.

Pilot run- Formulate Pilot run.

- Test improved process (run pilot).

- Analyze pilot and results.

Develop implementation plan.

- Prepare final presentation.

- Present final recommendation to Management Team.

DDefine

MMeasure

AAnalyze

IImprove

CControl

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ControlControl

Don’t be too hasty to declare victory.

How will you maintain to gains made?

- Change policy & procedures

- Change drawings- Change planning- Revise budget- Training

DDefine

MMeasure

AAnalyze

IImprove

CControl

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Omitting a step in Omitting a step in DMAIC?DMAIC?

StepStep Consequences if the step is Consequences if the step is omitted omitted

1. Define1. Define

2. Measure2. Measure

3. Analyze3. Analyze

4. Improve4. Improve

5. Control5. Control

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BenchmarkBenchmark BaselineBaseline Contract / Contract / CharterCharter Kano ModelKano Model Voice of the Voice of the

CustomerCustomer Quality FunctionQuality Function

DeploymentDeployment Process Flow MapProcess Flow Map ProjectProject

ManagementManagement ““Management by Management by

FactFact”” –– 4 What 4 What’’ss

7 Basic Tools7 Basic Tools Defect MetricsDefect Metrics Data Collection,Data Collection,

Forms, Plan,Forms, Plan,

LogisticsLogistics SamplingSampling

TechniquesTechniques

Cause & EffectCause & Effect

DiagramsDiagrams Failure Models &Failure Models & Effect AnalysisEffect Analysis Decision & RiskDecision & Risk

AnalysisAnalysis Statistical Statistical InferenceInference Control ChartsControl Charts CapabilityCapability Reliability Reliability AnalysisAnalysis Root Cause Root Cause Analysis Analysis 5 Why5 Why’’ss Systems Systems ThinkingThinking

Design of Design of

ExperimentsExperiments ModellingModelling TolerancingTolerancing Robust DesignRobust Design Process MapProcess Map

Statistical ControlsStatistical Controls Control ChartsControl Charts Time Series Time Series

MethodsMethods

Non Statistical Non Statistical

ControlsControls ProcedureProcedure

adherenceadherence PerformancePerformance

MgmtMgmt Preventive activitiesPreventive activities Poke yokePoke yoke

DefineWhat is wrong?Define

What is wrong?MeasureData & Process

capability

MeasureData & Process

capability

Analyze When and whereare the defects

Analyze When and whereare the defects

ImproveHow to get to six sigma

ImproveHow to get to six sigma

ControlDisplay

key measures

ControlDisplay

key measures

Tools for DMAICTools for DMAIC

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ComponentsComponents

Two components of Six SigmaTwo components of Six Sigma

1. Process Power1. Process Power

2. People Power2. People Power

Tell me, I forget. Show me , I remember. Involve me, I understand.

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Master Black Belt

Black Belts

Green Belts

Team Members / Yellow Belts

Ch

amp

ion

s

Mentor, trainer, and coach of Black Belts and others in the organization.

Leader of teams implementing the six sigma methodology on projects.

Delivers successful focused projects using the six sigma methodology and tools.

Participates on and supports the project teams, typically in the context of his or her existing responsibilities.

6 6 Training Training

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Six Sigma Six Sigma OrganizationOrganization

Champion

BlackBelt

BlackBelt

BlackBelt

GreenBelt

GreenBelt

GreenBelt

GreenBelt

GreenBelt

YellowBelt

YellowBelt

YellowBelt

YellowBelt

MasterBlackBelt

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SeniorExecutives

Champions /Process owners

Black-Belt

Green Belt

Employees(Yellow-Belt)

Executive overview2/3 Days Provide Leadership

Champions Training - I

2 days

Champions Training –II

3 days

Process Mgmt. & Project champion

Week 2

Week 3

Week 4

Training /Facilitation

skills

Project-work

Master Black-Belt-As Trainer-Coach teams-Facilitateimprovement projects

1 Week Green-Belt Training

- Part of project teams- Sometime lead the

teams

1 / 2 Days core training on Six-Sigma

- General process control &

improvement- Project Team

Member

Black-Belt

Project work

Position in Six Sigma Organisation

Typical Training

Expected Role Post Training

+

(Total 5 days)

6 6 Training Training

Week 1

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ChampionChampion

Plans improvement projectsPlans improvement projects

Charters or champions chartering Charters or champions chartering processprocess

Identifies, sponsors and directs Six Identifies, sponsors and directs Six Sigma projectsSigma projects

Holds regular project reviews in Holds regular project reviews in accordance with project chartersaccordance with project charters

Includes Six Sigma requirements in Includes Six Sigma requirements in expense and capital budgetsexpense and capital budgets

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ChampionChampion

Identifies and removes Identifies and removes organizational and cultural barriers organizational and cultural barriers to Six Sigma success.to Six Sigma success.

Rewards and recognizes team and Rewards and recognizes team and individual accomplishments individual accomplishments (formally and informally)(formally and informally)

Communicates leadership visionCommunicates leadership vision

Monitors and reports Six Sigma Monitors and reports Six Sigma progressprogress

Validates Six Sigma project resultsValidates Six Sigma project results

Nominates highly qualified Black Nominates highly qualified Black Belt and/or Green Belt candidatesBelt and/or Green Belt candidates

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Master Black BeltMaster Black BeltRolesRoles ResponsibilitiesResponsibilities

- Enterprise Six Sigma Enterprise Six Sigma expertexpert

- Permanent full-time Permanent full-time change agentchange agent

-Certified Black Belt with Certified Black Belt with additional specialized skills additional specialized skills or experience especially or experience especially useful in deployment of Six useful in deployment of Six Sigma across the Sigma across the enterpriseenterprise

- Highly proficient in using Six - Highly proficient in using Six Sigma methodology to achieve Sigma methodology to achieve tangible business results.tangible business results.

- Technical expert beyond Black Belt Technical expert beyond Black Belt level on one or more aspects of level on one or more aspects of process improvement (e.g., process improvement (e.g., advanced statistical analysis, project advanced statistical analysis, project management, communications, management, communications, program administration, teaching, program administration, teaching, project coaching)project coaching)

- Identifies high-leverage Identifies high-leverage opportunities for applying the Six opportunities for applying the Six Sigma approach across the Sigma approach across the enterpriseenterprise

-Basic Black Belt trainingBasic Black Belt training-Green Belt trainingGreen Belt training-Coach / Mentor Black BeltsCoach / Mentor Black Belts

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RolesRoles ResponsibilitiesResponsibilities- Six Sigma technical expertSix Sigma technical expert- Temporary, full-time change Temporary, full-time change

agent (will return to other agent (will return to other duties after completing a duties after completing a two to three year tour of two to three year tour of duty as a Black Belt)duty as a Black Belt)

- Leads business process Leads business process improvement projects where Six improvement projects where Six Sigma approach is indicated.Sigma approach is indicated.

- Successfully completes high-Successfully completes high-impact projects that result in impact projects that result in tangible benefits to the tangible benefits to the enterpriseenterprise

- Demonstrated mastery of Black Demonstrated mastery of Black Belt body of knowledgeBelt body of knowledge

- Demonstrated proficiency at Demonstrated proficiency at achieving results through the achieving results through the application of the Six Sigma application of the Six Sigma approachapproach

- Coach / Mentor Green BeltsCoach / Mentor Green Belts- Recommends Green Belts for Recommends Green Belts for

CertificationCertification

Black BeltBlack Belt

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Green BeltGreen Belt

RolesRoles ResponsibilitiesResponsibilities- Six Sigma Project originatorSix Sigma Project originator- Part-time Six Sigma change Part-time Six Sigma change

agent. Continues to perform agent. Continues to perform normal duties while normal duties while participating on Six Sigma participating on Six Sigma project teamsproject teams

- Six Sigma champion in local Six Sigma champion in local areaarea

- Recommends Six Sigma projectsRecommends Six Sigma projects- Participates on Six Sigma project Participates on Six Sigma project

teamsteams- Leads Six Sigma teams in local Leads Six Sigma teams in local

improvement projects improvement projects

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Yellow BeltYellow Belt

RolesRoles ResponsibilitiesResponsibilities- Learns and applies Six Learns and applies Six

Sigma tools to projectsSigma tools to projects- Actively participates in team Actively participates in team

taskstasks- Communicates well with other Communicates well with other

team membersteam members- Demonstrates basic improvement Demonstrates basic improvement

tool knowledgetool knowledge- Accepts and executes Accepts and executes

assignments as determined by assignments as determined by teamteam

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Financial AnalystFinancial Analyst

Validates the baseline status for Validates the baseline status for each project.each project.

Validates the sustained results / Validates the sustained results / savings after completion of the savings after completion of the project.project.

Compiles overall investment vs. Compiles overall investment vs. benefits on Six Sigma for benefits on Six Sigma for management reporting.management reporting.

Will usually be the part of Senior Will usually be the part of Senior Leadership Team.Leadership Team.

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Thought of the dayThought of the day

We don't know what we don't knowWe don't know what we don't know

We can't act on what we don't knowWe can't act on what we don't know

We won't know until we searchWe won't know until we search

We won't search for what we don't We won't search for what we don't questionquestion

We don't question what we don't We don't question what we don't measuremeasure

Hence, We just don't knowHence, We just don't know

Page 87: Introduction To Six Sigma

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Project SelectionProject Selection

The first step to implement Six Sigma

Page 88: Introduction To Six Sigma

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Sources of ProjectsSources of Projects

External Sources:External Sources:Voice of CustomerVoice of Customer

What are we falling short of meeting What are we falling short of meeting customer needs?customer needs?

What are the new needs of customers?What are the new needs of customers?

Voice of MarketVoice of MarketWhat are market trends, and are we ready What are market trends, and are we ready to adapt?to adapt?

Voice of CompetitorsVoice of CompetitorsWhat are we behind our competitors?What are we behind our competitors?

Page 89: Introduction To Six Sigma

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Sources of ProjectsSources of Projects

Internal Sources:Internal Sources: Voice of ProcessVoice of Process

Where are the defects, repairs, reworks?Where are the defects, repairs, reworks?

What are the major delays?What are the major delays?

What are the major wastes?What are the major wastes?

Voice of EmployeeVoice of EmployeeWhat concerns or ideas have employees or What concerns or ideas have employees or managers raised?managers raised?

What are we behind our competitors?What are we behind our competitors?

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As a team List down at least 20 As a team List down at least 20 improvement projects related to your work improvement projects related to your work areas …….areas …….

A Problem Statement should be SMART: SSpecific - It does not solve world hunger pecific - It does not solve world hunger MMeasurable - It has a way to measure easurable - It has a way to measure

successsuccess AAchievable - It is possible to be chievable - It is possible to be

successfulsuccessful RRelevant - It has an impact that can be elevant - It has an impact that can be

quantifiedquantified TTimely - It is near term not off in the imely - It is near term not off in the

futurefuture

Project SelectionProject Selection

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Harvesting the Fruit of Six Harvesting the Fruit of Six SigmaSigma

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Sweet FruitSweet Fruit Design for Repeatability

Bulk of FruitBulk of FruitProcess Characterization and Optimization

Low Hanging FruitLow Hanging FruitSeven Basic Tools

Ground FruitGround FruitLogic and Intuition

Process Enhancement

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

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Types of SavingsTypes of Savings

Hard Savings:Hard Savings: Cost ReductionCost Reduction

Energy SavingEnergy Saving

Raw Material savingRaw Material saving

Reduced Rejection, Waste, RepairReduced Rejection, Waste, Repair

Revenue EnhancementRevenue EnhancementIncreased productionIncreased production

Yield ImprovementYield Improvement

Quality ImprovementQuality Improvement

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Hard Savings:Hard Savings: Cash flow improvementCash flow improvement

Reduced cash tied up in inventoryReduced cash tied up in inventory

Reduced late receivables, early payablesReduced late receivables, early payables

Reduced cycle timeReduced cycle time

Cost and Capital avoidanceCost and Capital avoidanceOptimizing the current system / resourcesOptimizing the current system / resources

Reduced maintenance costsReduced maintenance costs

Types of SavingsTypes of Savings

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Soft Savings:Soft Savings:Customer Satisfaction / LoyaltyCustomer Satisfaction / Loyalty

Employee SatisfactionEmployee Satisfaction

Types of SavingsTypes of Savings

Page 95: Introduction To Six Sigma

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Cost of implementingCost of implementingDirect PayrollDirect Payroll

Full time (Black Belts, Master Black Full time (Black Belts, Master Black Belts)Belts)

Indirect PayrollIndirect PayrollTime by executives, team members, Time by executives, team members, data collectiondata collection

Training and ConsultingTraining and ConsultingBlack Belt course, Overview for Mgmt Black Belt course, Overview for Mgmt etc.etc.

Improvement Implementation CostsImprovement Implementation CostsInstalling new solution, IT driven Installing new solution, IT driven solutions etc.solutions etc.

Page 96: Introduction To Six Sigma

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What Qualifies as a What Qualifies as a Six Sigma ProjectSix Sigma Project

Three basic qualifications:Three basic qualifications: -There is a gap between current and -There is a gap between current and desired / needed performance.desired / needed performance.

The cause of problem is not clearly The cause of problem is not clearly understood.understood.

The solution is not pre-determined, The solution is not pre-determined, nor is the optimal solution apparent. nor is the optimal solution apparent.

How many projects out of 20 now qualify as Six sigma projects?

Page 97: Introduction To Six Sigma

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Way forwardWay forward

Get StartedGet Started

Look for low hanging fruitsLook for low hanging fruits

Even poor usage of these tools will Even poor usage of these tools will get resultsget results

Learn more about Six SigmaLearn more about Six Sigma