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n a l y t i c a l S k i l l sn a l y t i c a l S k i l l s: -r e s e n t e d b y : -r e s e n t e d b y
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itKapoor
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Yu
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Sarafa
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i s h B o n e D a i g r a mi s h B o n e D a i g r a m
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Introductiontroduction ( ).Created by Kaoru Ishikawa 1990( ).Created by Kaoru Ishikawa 1990 . .Dr Ishikawa was a quality expert. .Dr Ishikawa was a quality expert The diagram has a cause side and an effectThe diagram has a cause side and an effect
.side.side Common uses of the Ishikawa diagram are productCommon uses of the Ishikawa diagram are productDesignDesign
and quality defect preventionand quality defect prevention
-Effect side Current work problem or desired-Effect side Current work problem or desired
.quality characteristic.quality characteristic -Cause side Factors that influence the stated-Cause side Factors that influence the stated
.effect or characteristic.effect or characteristic
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ontdontd
It is also referred to as an IshikawaIt is also referred to as an Ishikawa
,Diagram a,Diagram a characteristics diagram or an Cause characteristics diagram or an CauseAnd EffectAnd Effect
.daigram.daigram
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.Identify the possible root causes.Identify the possible root causes Sort out and relate some of theSort out and relate some of the
interactionsinteractions Analyze existing problemsAnalyze existing problems Traditional way of approaching theTraditional way of approaching the
problem isproblem is
.very time consuming.very time consuming When a team s thinking tends to fall When a team s thinking tends to fall
.into ruts.into ruts . When there is requirement of team work. When there is requirement of team work
hen it should behen it should beused?sed?
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Helps determine the root causes of aHelps determine the root causes of a.problem.problem
.Encourages group participation.Encourages group participation
, - - .Uses an orderly easy to read format, - - .Uses an orderly easy to read format .Indicates possible causes of variation.Indicates possible causes of variation .Increases knowledge of the process.Increases knowledge of the process Identifies areas where data should beIdentifies areas where data should be
.collected.collected
hy should we use it?hy should we use it?
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here it can be used?here it can be used?anufacturing Processanufacturing Process( )M s )M s / ( )arketing Service 7 P s( )arketing Service 7 P s( )Machine technology( )Machine technology =Product Service=Product Service
( )Method process( )Method process PlacePlace
MaterialMaterial /Promotion Entertainment/Promotion Entertainment
Man PowerMan Power ( )People key person( )People key person
( )Measurement Inspection( )Measurement Inspection ProcessProcess
( )Mother Nature Environment( )Mother Nature Environment Physical EvidencePhysical Evidence/Management Money Power/Management Money Power PricePrice
MaintenanceMaintenance
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ow to use it?ow to use it?EF
FEC
T
Cause A Cause B Cause C
Cause D Cause E Cause F
-
Sub
Cause
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ow to use it?ow to use it?Identify and clearly define the outcome orIdentify and clearly define the outcome or
effecteffect
to be analyzedto be analyzed
Decide on the effect to be examined.Decide on the effect to be examined.Use Operational Definitions.Use Operational Definitions.Remember, an effect may be positive (anRemember, an effect may be positive (an
objective) or negative (a problem),objective) or negative (a problem),
dependingdepending
upon the issue thats being discussed.upon the issue thats being discussed.
Draw a horizontal arrow pointing to theDraw a horizontal arrow pointing to the
right.right.
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Establish the major causes, or categories,Establish the major causes, or categories,underunder
which other possible causes will be listed.which other possible causes will be listed.
Write the main categories some above theWrite the main categories some above thespinespineand some below it.and some below it.
Identify other specific factors of the mainIdentify other specific factors of the maincategory.category.
You can do this by asking a series of whyYou can do this by asking a series of whyquestions.questions.
Analyze the diagram.Analyze the diagram.
Look for causes that appear repeatedly.Look for causes that appear repeatedly.
ow to use it?ow to use it?
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an power
Maintenance
Machineethod
Management Material
easurement
other Nature
uality Material
ld Technology
ew Technology
mproper
InventoryegularIntervals
apability Study
roper measurement
Temperature
Humidity
Relationship
Leadership
orking condition
Training
ver Complex
ime consuming
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Human error can be overlooked.Human error can be overlooked.The problem found has to be cross-The problem found has to be cross-
checked.checked.
Dont work when problem is small.Dont work when problem is small.Not possible if the team cant meet at aNot possible if the team cant meet at a
time.time.
.isadvantages.isadvantages
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