P roblem S olving I nnovator Solving Tomorrows Problems Today 4 th Why / Root Cause Cause & Effect...
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Transcript of P roblem S olving I nnovator Solving Tomorrows Problems Today 4 th Why / Root Cause Cause & Effect...
Problem Solving I nnovatorSolving Tomorrows Problems Today
4th Why / Root CauseCause & Effect (Fishbone)
The 4th Why can be formedonce the Team has Completed the 3rd Why
4th Why / Root CauseDevelopment
4th Why / Root CauseFMEA
4th Why / Root CauseExamples
COVER PAGE
Developing the 4th Why / Root Cause
Determine two Root Causes and the Prevention Method for each Failure Mode
Prevention Method & Occurrence Rating Failure Mode
A Root Cause can be defined as a Product, Process or Design Weakness that may result in a Failure
4th Why / Root CauseDevelopment
With additional Pop up Aid
Enter the Occurrence directly into the cell or select from the possibilities in the drop down options.
Developing the 4th Why / Root Cause
Select from the other Entries in the Drop Down List of Root Cause’s / Prevention Controls.
4th Why / Root CauseDevelopment
Enter a Root Cause/ Prevention directly into the cell/select from the drop down list if previously entered. Root Causes/ Preventions are automatically added to the database. To Update/Edit/View the Database: Select ‘Add-Ins’, ‘Database Rankings’ , ‘Potential Failure Cause DBS’ OR ‘Prevention Control DBS’..
RAW MATERIAL MACHINING TAPPING ASSEMBLY/ TEST DESIGN/ APPLICATION
D4 - Developing the 4th Why …Options
The 4th Why defines the Root Cause/s of the 3rd Why / Failure Mode
Option 1: The Process Sequence Example ‘VALVE MANUFACTURING’
4th Why / Root CauseExamples
POSTURE SPINAL COLUMN MUSCLES NERVES ASSOCIATED ORGANS
D4 - Developing the 4th Why …Options
The 4th Why defines the Root Cause of the 3rd Why
Option 2: Any other logical method or sequence, Example ‘BACK ACHE’
4th Why / Root CauseExamples
4th Why / Root CauseFMEA
D4 – 4th Why =the Root Cause
5th Why
RAW MATERIAL TAPPING ASSEMBLY/
TESTDESIGN/
APPLICATIONMACHINING
VALVE BODY ADAPTOR
CUTTING FLUID SETTINGS
Select which Root Cause you would like to Further Investigate
4th Why / Root Cause
Will automatically be updated
VISCOSITY SWARFFOREIGN MATTER
DIRTY CASTINGS
SAND IN CASTINGS
D4 - The 4th Why will be forwarded to the Cause & Effect Diagram. It will appear on the left, according to the Failure Mode you have selected.
4th Why / Root CauseC&E (Fishbone)
RAW MATERIAL MACHINING TAPPING ASSEMBLY/ TEST DESIGN/ APPLICATION
Problem Solving I nnovatorSolving Tomorrows Problems Today
This completes theD4 4th Why
Now start theD4 5th Why