introduction to the use of classic quality tools presented by dr. joan burtner certified quality...
TRANSCRIPT
Introduction to the Introduction to the Use of Use of ClassicClassic Quality Quality
ToolsTools
Presented by Dr. Joan BurtnerPresented by Dr. Joan Burtner
Certified Quality Engineer Certified Quality Engineer
Associate Professor ofAssociate Professor of
Industrial Engineering and Industrial Industrial Engineering and Industrial ManagementManagement
ETM 591 ISE 427 Fall 201ETM 591 ISE 427 Fall 20100
Dr. Joan Burtner, Associate Professor of Industrial EngineeringDr. Joan Burtner, Associate Professor of Industrial Engineering Slide Slide 22
Seven Seven ClassicClassic Problem-Solving Tools Problem-Solving Tools of Qualityof Quality
FlowchartFlowchart Check SheetCheck Sheet Cause-and-Effect DiagramCause-and-Effect Diagram Pareto ChartPareto Chart Control ChartControl Chart HistogramHistogram Scatter DiagramScatter Diagram
ETM 591 ISE 427 Fall 201ETM 591 ISE 427 Fall 20100
Dr. Joan Burtner, Associate Professor of Industrial EngineeringDr. Joan Burtner, Associate Professor of Industrial Engineering Slide Slide 33
Classic Quality Tool 1:Classic Quality Tool 1:FlowchartFlowchart Maps the sequence of steps and decision Maps the sequence of steps and decision
points in a processpoints in a process Helps group to have common Helps group to have common
understanding of the processunderstanding of the process
ETM 591 ISE 427 Fall 201ETM 591 ISE 427 Fall 20100
Dr. Joan Burtner, Associate Professor of Industrial EngineeringDr. Joan Burtner, Associate Professor of Industrial Engineering Slide Slide 44
Classic Quality Tool 2:Classic Quality Tool 2:Check SheetCheck Sheet Also known as a tally Also known as a tally
sheetsheet Helps gather data on Helps gather data on
the frequency of the frequency of occurrence of occurrence of particular events or particular events or defectsdefects
Check sheet design Check sheet design often requires prior often requires prior knowledge of the knowledge of the processprocess
ChipsChips
ScratchesScratches DentsDents Finish flawsFinish flaws
Black spotsBlack spots
Rough edgesRough edges
ETM 591 ISE 427 Fall 201ETM 591 ISE 427 Fall 20100
Dr. Joan Burtner, Associate Professor of Industrial EngineeringDr. Joan Burtner, Associate Professor of Industrial Engineering Slide Slide 55
Classic Quality Tool 3:Classic Quality Tool 3:Cause-and-Effect Cause-and-Effect DiagramDiagram Other namesOther names
Fishbone diagramFishbone diagram Ishikawa diagramIshikawa diagram C-E diagram C-E diagram
Used to show the many Used to show the many different causes that different causes that may contribute to a may contribute to a problem (effect)problem (effect)
Causes are frequently Causes are frequently generated through generated through brainstorming sessionsbrainstorming sessions
ETM 591 ISE 427 Fall 201ETM 591 ISE 427 Fall 20100
Dr. Joan Burtner, Associate Professor of Industrial EngineeringDr. Joan Burtner, Associate Professor of Industrial Engineering Slide Slide 66
Classic Quality Tool 3:Classic Quality Tool 3:C-E Diagram (cont.)C-E Diagram (cont.) Manufacturing Environment 4M ChartManufacturing Environment 4M Chart
ManMan MachineMachine MethodsMethods MaterialsMaterials
Service Environment 4P ChartService Environment 4P Chart PeoplePeople PoliciesPolicies ProceduresProcedures PlantPlant
ETM 591 ISE 427 Fall 201ETM 591 ISE 427 Fall 20100
Dr. Joan Burtner, Associate Professor of Industrial EngineeringDr. Joan Burtner, Associate Professor of Industrial Engineering Slide Slide 77
Classic Quality Tool 4:Classic Quality Tool 4:Pareto ChartPareto Chart Pareto (an 1800s Italian economist) Pareto (an 1800s Italian economist)
noted that 80 percent of the wealth noted that 80 percent of the wealth in Italy was held by 20 percent of the in Italy was held by 20 percent of the populationpopulation
Juran (20Juran (20thth century) 80% of the century) 80% of the variation in a process is caused by variation in a process is caused by 20% of the variables20% of the variables 20% - vital few 20% - vital few 80% - trivial many or useful many80% - trivial many or useful many
ETM 591 ISE 427 Fall 201ETM 591 ISE 427 Fall 20100
Dr. Joan Burtner, Associate Professor of Industrial EngineeringDr. Joan Burtner, Associate Professor of Industrial Engineering Slide Slide 88
Classic Quality Tool 4:Classic Quality Tool 4:Pareto Chart (cont.)Pareto Chart (cont.) Causes are frequently Causes are frequently
documented in a documented in a check list which is check list which is used to generate a used to generate a Pareto chartPareto chart
Managers use Pareto Managers use Pareto charts to help focus or charts to help focus or prioritize process prioritize process improvement effortsimprovement efforts
Compare to a Compare to a histogram (X-axis)histogram (X-axis)
ETM 591 ISE 427 Fall 201ETM 591 ISE 427 Fall 20100
Dr. Joan Burtner, Associate Professor of Industrial EngineeringDr. Joan Burtner, Associate Professor of Industrial Engineering Slide Slide 99
Classic Quality Tool 5:Classic Quality Tool 5:Control ChartControl Chart PurposePurpose
Indicates how a Indicates how a process behaves over process behaves over timetime
Shows when a process Shows when a process is being influenced by is being influenced by special causesspecial causes
Chart consists of UCL, Chart consists of UCL, CL, LCL, and data CL, LCL, and data pointspoints
Examined for Examined for nonrandom patternsnonrandom patterns
ETM 591 ISE 427 Fall 201ETM 591 ISE 427 Fall 20100
Dr. Joan Burtner, Associate Professor of Industrial EngineeringDr. Joan Burtner, Associate Professor of Industrial Engineering Slide Slide 1010
Classic Quality Tool 6:Classic Quality Tool 6:HistogramHistogram Bar graph that Bar graph that
represents the represents the frequency distribution frequency distribution of the dataof the data
X-axis shows cell X-axis shows cell boundariesboundaries
Y-axis shows cell Y-axis shows cell frequencyfrequency
Shape of the bars is Shape of the bars is only a rough indication only a rough indication of the distributionof the distribution
Histogram of W eight ( lbs)
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10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0
Cell U pper BoundF
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ETM 591 ISE 427 Fall 201ETM 591 ISE 427 Fall 20100
Dr. Joan Burtner, Associate Professor of Industrial EngineeringDr. Joan Burtner, Associate Professor of Industrial Engineering Slide Slide 1111
Classic Quality Tool 7:Classic Quality Tool 7:Scatter DiagramScatter Diagram Also known as an X-Y Also known as an X-Y
graphgraph ““Shows whether or not Shows whether or not
there is a correlation there is a correlation between two variables”between two variables”
Caution: A statistical Caution: A statistical correlation does not correlation does not guarantee a direct cause guarantee a direct cause and effectand effect
Linear/nonlinearLinear/nonlinear Positive/negativePositive/negative
R elationship Betw een I ncom e and Education
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ETM 591 ISE 427 Fall 201ETM 591 ISE 427 Fall 20100
Dr. Joan Burtner, Associate Professor of Industrial EngineeringDr. Joan Burtner, Associate Professor of Industrial Engineering Slide Slide 1212
Contact InformationContact Information
Email: [email protected]: [email protected] US Mail:US Mail:
Mercer University School of Mercer University School of Engineering Engineering
1400 Coleman Avenue 1400 Coleman Avenue
Macon, GAMacon, GA Phone: (478) 301- 4127Phone: (478) 301- 4127