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Fishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

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Page 1: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

FishboneFishbone

Six Sigma Foundations Continuous Improvement TrainingSix Sigma Foundations Continuous Improvement Training

Six Sigma Simplicity

Page 2: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

Key Learning PointsKey Learning Points

s First Step is Honing in on the VITAL FEW Causes

s Remember, It is still OPINIONS

s First Step is Honing in on the VITAL FEW Causes

s Remember, It is still OPINIONS

Page 3: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

Fishbone - Where Does It Fit?Fishbone - Where Does It Fit?

s Measurement, narrowing projects, combining different people’s perspective of a situation

StatementProblem

People

Machines

Materials

Methods

Measurements

Environment

Search for root cause of specific problem

Page 4: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

Fishbone - Why Do We Need It?Fishbone - Why Do We Need It?

s Groups potential causes for defects around common categories

s Involves teams Highlights where additional data

gathering needs to occurs Helps scope a projects Natural follow-on from brainstorming to

either simplify or expand ideas

Page 5: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

Fishbone - Who Should Create It?Fishbone - Who Should Create It?

s Any team member should know how to create a Fishbone

s All people who are affected by the process should be involved (even if you have to conduct two sessions and combine results)

s Needs to be kept simple

Page 6: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

Fishbone – ExampleFishbone – Example

Page 7: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

Fishbone – ExerciseFishbone – Exercise

ProblemStatement

People

Machines

Materials

Methods

Measurements

Environment

Search for root cause of specific problem

Now create a Fishbone in your groups on a Flip chart to show what areas of projects in your experience have failed. i.e. problem statement = ‘Project failure’

Page 8: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

Solution Effect - Where Does It Fit?Solution Effect - Where Does It Fit?s Often people have a choice of potential solutions.

A Solution effect diagram is drawn as before excepting a solution

StatementProblem

People

Machines

Materials

Methods

Measurements

Environment

Search for root cause of specific problem

1) ProposedSolution

2) Anticipated effects of solution

Page 9: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

Solution & Effect - Why Do We Need It?Solution & Effect - Why Do We Need It?s Identifies weaknesses and side effects of

proposed solutions Involves team s Highlights where additional refinement of

Control plan / management of buy in needs to occur

s Again helps scope a project’s implementation

Page 10: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

Zoom in - Force Field DiagramZoom in - Force Field Diagram

s Each branch and sub branch of a Fishbone can be examined to isolate the desired and undesired effects of enabling team to develop a detailed understanding of the influences on project success

C urrent S ta te M ach inery

P roposa l to change photocop ierfor a scanner

Higher speedBetter Quality

Cheaperrunning costs

Existingcontract

Newtechnology

No A2 feed

Untested

Investm entcost

Needs less space

Page 11: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

Zoom Out- ScopingZoom Out- Scoping

StatementProblem

People

Machines

Materials

Methods

Measurements

Environment

Search for root cause of specific problem

s Can the team change the environment?

s Should the team consider changing the number of people working in a department

s How much expenditure on equipment is realistic

s Does the customer dictate parts of the process

s Are there areas to avoid

Page 12: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

Adding Data/ VotesAdding Data/ Votes

StatementProblem

People

Machines

Materials

Methods

Measurements

Environment

Search for root cause of specific problem

s If you have data e.g. number of failures, cost of failures you can add these to the branches to weight them

s If you want to decide where to start the team’s analysis consider n/3 voting to identify areas of most interest

Page 13: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

Procedure for FishboneProcedure for Fishbone1. Agree on problem 2. Draw horizontal line in center of page3. Write problem at fish head4. Draw bones - you may use titles: Manpower,

Machine, Method, Measurement, Management, Mother Nature (Environment) - or choose your own as appropriate

5. Brainstorm/copy ideas onto fishbone6. Create sub branches as appropriate7. Zoom in/ Zoom out as appropriate8. Score / Vote as appropriate to prioritize action9. Switch from Cause - Effect to Solution Effect as

appropriate

Page 14: FishboneFishbone Six Sigma Foundations Continuous Improvement Training Six Sigma Foundations Continuous Improvement Training Six Sigma Simplicity

FishboneFishbone

Six Sigma Foundations Continuous Improvement TrainingSix Sigma Foundations Continuous Improvement Training