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)( " ) (Six Sigma ) Lean ( Thinking ) " ( Theory Of Constraints : : . ) (six sigma . . ) ( lean thinking . . . ) ( TOC ) ( . . ) ( improvement programs . . . . . . . ) (six sigma ) ( lean thinking TOC . . - ) ( Six Sigma ) ( .
. . ) : ( Six Sigma
/ . , . ) (variation . ) ( / . . ) : ( Six Sigma
:
. : . . :
" - " ) DPMO ( . ) Defect Per Million Opportunitis) DPMO :
" - " / . . DMAIC DMAIC . DMAIC . DMAIC ) Define ( ) Measure ( ) Analyze( ) Improve ( ) Control ( . DMAIC . .
- (DMAIC - D(Define) M(Measure) A(Analyze) I(Improve) C(Control- ) Define (
.
: - : charter . : ) ( . : . : SIPOC ) (Supplier ) (Input ) (Process ) (Outputs ) (Customers . . . - : VOC ) (voice of customer . . : . : . ) :( Rolled Throughput Yield . - : CTQ ) ( Critical To Quality / ) ( champion : . ) ( . ) - ( ) ( . ) ( SIPOC . . ) Measure (
) ( . : - - - - R7R - - - 8 -FMEA - - - - ) ( run chart ) ( champion : . . . ) Analyze(
. ) ( . :
- - - - - - - ) 8 ) -DOE ) ( - - - - - - - . ) ( ) ( champion : . . . . - ) Improve (
. . : - - ) ( - - - - - 8 -FMEA - - . ) ( champion : . . - ) Control (
. . . : - - - - - - - . ) ( champion : . . . . : . Define . SIX SIGMA Reduce variation . )(define . )(measure
. )(analyze . )(improve . )(control Problem focused ) ( . Uniform process output " " . . . .
. . ) ( / . ) ( . . - ) ( Lean Thinking . . . . . . ) ( Lean Thinking . - Muda )(waste
. . - Muda ) : ( waste . )(Muda of inventory . )(Muda of transportation . )(Muda of defect
. )(Muda of process . ) ( Muda of waiting . ) (Muda of motion . )(Muda of over production - lean thinking
. . : ) (value ) ( value stream ) ( flow ) ( pull ) ( perfection - ) (value . . . . . . . . ) ( target cost ) (muda . ) ( muda free cost . ) (muda . ) ( value stream . . ) (muda .
: . . . . ) ( . . . ) ( ) ( . - ) ( flow . ) ( flow . . . . . : . . . . . ) (muda . ) (muda . - ) (pull . . ) ( push . ) ( ) ( supplier . ) (JIT . - ) ( perfection . ) (muda .
. ) ( . : . . . . . . : SIX SIGMA Reduce variation Lean thinking Remove waste (identify )value )(define )(measure )(analyze )(improve )(control . . . . . )(identify value stream ) (flow )(pull )(perfection Problem focused ) ( . Uniform process output ) ( Reduce flow time . . . . . . . . . Flow focused . . . . .
.
" " ) Theory Of Constraints )TOC OPT ) (JIT . . ) (JIT . ) ( Goldratt . . ) (JIT . : ( ) Constraint .
" " : ) ( A-B-C-D-E / . ) ( . ) ( C .
"
: . .
" - " )( Types Of Constraint . : . )(The market . )( Capacity . )( Resources . )(Supplier . )( Finance . )( Knowledge or Competence . )(Policy ) : ( TOC APPLICATION : . ). (Production . ).( Distribution and Supply Chain . ).( Financial Management . ). (Marketing . ). ( Strategic Planning . ). ( Project Management : - ) ( Identify Constraint ) ( . ( :( Exploit Constraint . ): ( Subordinate processes - ( ):Elevate the Constraint . ) ( ): ( repeat cycle :
: . - ( ): CRT : Current Reality Tree . . - ): (CRD : Conflict Resolution Diagram . - - ): (FRT : Future Reality Tree . - ) :( PRT : Prerequiste Tree . - - ): (TT : Transition Tree .
" - " . SIX SIGMA Reduce variation Theory of Constraints Manage constraints . )Identify (Constraint . )(define . ) . )(identify value . )identify . )Exploit (Constraint
Lean thinking Remove waste
(measure . ) (analyze . )(improve . )(control focus
(value stream . )(flow . )(pull . )(perfection
. ) (Subordinateprocesses . ) (ElevateConstraint . ) ( ) (repeat cycle
Problem focused . ) ( . . Uniform process output . .
Flow focused
System cnstraints
. . . . . . . . . .
) ( Reduce flow time . . . . .
/ ) ( Fast throughput . . . ) ( . )
. .
(
" ) (six sigma ) ( lean thinking "TOC ) (six sigma ) ( lean thinking TOC . . . . ) (six sigma . . ) ( lean thinking .
. . ) ( . . . : . - : : : . . - : - . ..2002 - Dave nave " How To Compare Six Sigma, Lean and the Theory of Constraints" quality progress - http://www.goldratt.com - http://www.eligoldratt.com