lean six sigma review

7/26/2019 Lean Six Sigma Review

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ContentSolutions

Quality


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Content


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Let

RevWhy is Lean Six Sigma so attractive tmany business right now?

Because being successful and stay

successful in business is more chatoday than ever before


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Let

Rev! R " # $

%


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Let

Rev#ailure to imin all three

means a locom&etitiven

todays glmar'et&l

!R"#$


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Let

Rev

!R"#$

P(!rocess )xcelR ( Resources *aO ( "riented to a

F ( #inancially StrI ( $nnovate (to staycompetition)

T ( %imely develo

strategies


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, new way t

an old visionLea

n

Six

Sigm

Lean Six


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Let

Rev


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Let

RevL),-


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Let

RevL),-

8Wastes


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Let

Rev, le&rocachrem

.wawhiactire1

com

8Wastes


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Let

RevSix Sigma


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LetRev Six Sigma is a method on how to e2

solve a &roblem

Six Sigma named after a statistical cwhere a &rocess only &roduces 34 d

&er million o&&ortunities 56!*"7 Six Sigma identi8es the cause5s7 of t

&roblem to e2ciently develo& e9ectsolutions

Six Sigma reduces variation0 so &rod


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Project Ideation

Unders

Curren

Root Cause A

and Verificat

Solution Formulation,

Implementation and

Execution

Standardiation

and Sustenance


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LetRevDEFINE( de8ne the

&roblem and what thcustomer re1uireMEASURE( measudefects and &rocesso&erationANALYZE( analy:e

data and discover thcauses of the &robleIMPROVE( im&rove&rocess to remove tcauses of defectsCONTROL( control

&rocess to ma'e sur


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LetRevWhat does Six Sigma do?

Reduce 6efects

$m&rove ;ield

$m&rove Customer Satisfaction


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LetRev Business is well ex&lained

!roblem Statement and +oal Statement are wde8ned

!ro>ect has clear business case 5*onetary andmonetary bene8ts are s&eci8ed7

!ro>ect is manageable in sco&e

!ro>ect ; is measurable

oice of the Customer @ Business is lin'ed with

6ata is readily available or collectible

%arget &rocess is clear

%eam Leader @ *embers are in &laced

S&onsors consider the &ro>ect urgent A im&or

Buy=in obtained from the sta'eholders

L


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LetRev

L t


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LetRev ey !rocess $ndicator

"&erational 6e8nition of !ro>ect;

$f 6ata coming from a sam&le0 Rationality of Sam&ling

$f 6ata needs to be veri8ed0

*easurement System ,nalysis 6ata Collection !lan

6etailed !rocess *a&

Behavior of ; Controllability of ariation

Ca&ability of ; in meeting the target

L t


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LetRevControllability

Controllability is the ability of a &rocess tacce&table &erformance

%y&es of &rocess variation

Common Cause is the sum of many

causes0 none traceable to a single mcause

,ssignable 5s&ecial7 Cause is due todi9erences between &eo&le0 machin

materials0 methods0 etc %he occurre


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L t


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LetRevCa&ability

Ca&ability is broadly de8ned as the ability&rocess to meet customer ex&ectations

"nce we have a &rocess in control thenanswer the 1uestion of whether the &ro

ca&able of meeting the customerss&eci8cations

E Chec' if the data is normalF obtain the mean a


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Fstandard deviation of the data

G "btain the u&&er and Lower S&eci8cation Leve

3 Com&ute for the H=transformation values

H5ISL7 J 5ISL ( *ean7@Standard 6eviation

H5LSL7 J 5LSL ( *ean7@Standard 6eviation

4 "btain the acce&tance region

Scenario E Both H5ISL7 and H5LSL7 are given

,cce&tance region J normsdist KH 5ISL7 (normsdist KH 5LSL7

Scenario G "nly H5ISL7 is given,cce&tance region J normsdist KH5ISL7

Scenario 3 "nly H5LSL7 is given

,cce&tance region J E = normsdist KH5LSL7

M "btain the Sigma Level

Sigma Level J EM N normsinv 5,cce&tanceRe ion

6 8


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