fishbonefishbone six sigma foundations continuous improvement training six sigma foundations...

FishboneFishbone

Six Sigma Foundations Continuous Improvement TrainingSix 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

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

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

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

Fishbone – ExampleFishbone – Example

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’

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

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

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

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

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

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

FishboneFishbone

Six Sigma Foundations Continuous Improvement TrainingSix Sigma Foundations Continuous Improvement Training