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Introduction to the Quality Philosophy: Lean Six Sigma. Presented by Dr. Joan Burtner Certified Quality Engineer Associate Professor of Industrial Engineering and Industrial Management. Why Do We Need Lean Six Sigma? .

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introduction to the quality philosophy lean six sigma

Introduction to the Quality Philosophy:Lean Six Sigma

Presented by Dr. Joan Burtner

Certified Quality Engineer

Associate Professor of

Industrial Engineering and Industrial Management

why do we need lean six sigma
Why Do We Need Lean Six Sigma?
  • “Lean Six Sigma is a methodology that maximizes shareholder value by achieving the fastest rate of improvement in customer satisfaction, cost, quality, process speed, and invested capital”.
  • (Lean Six Sigma, Michael George, p. 13)

Dr. Joan Burtner, Associate Professor of Industrial Engineering

the six sigma approach in the business community
The Six Sigma Approach in the Business Community
  • Definition
    • a comprehensive and flexible system for achieving, sustaining and maximizing business success
  • Drivers
    • a close understanding of customer needs
    • disciplined use of facts, data, and statistical analysis
    • diligent attention to managing, improving, and reinventing the business process

Dr. Joan Burtner, Associate Professor of Industrial Engineering

six sigma applicability
Six Sigma Applicability
  • Six Sigma has been successfully applied in manufacturing environments (eg Motorola).
  • Six Sigma has been successfully applied in the service sector (eg GE Capital).
  • More recently, Six Sigma has shown to be exceptionally effective in educational settings.
    • Eligible for Malcolm Baldrige National Quality Award
    • MBNQA awarded to two school districts in 2001

Dr. Joan Burtner, Associate Professor of Industrial Engineering

the six sigma philosophy
The Six Sigma Philosophy
  • Designed to foster data-driven management decisions
  • The Three C’s
    • common metrics
    • “constant” communication
    • culture change

Dr. Joan Burtner, Associate Professor of Industrial Engineering

six sigma metrics
Six Sigma Metrics
  • cost reduction
  • productivity improvement
  • market-share growth
  • customer retention
  • cycle-time reduction
  • defect reduction
  • culture change
  • product/service development

Dr. Joan Burtner, Associate Professor of Industrial Engineering

six sigma management approach
Six Sigma Management Approach
  • Genuine Focus on the Customer
  • Data- and Fact-Driven Management
  • Process Focus
  • Proactive Management
  • “Boundaryless” Collaboration
  • Pursue Success; Tolerate Failure

Dr. Joan Burtner, Associate Professor of Industrial Engineering

six sigma inputs and techniques
Six Sigma Inputs and Techniques
  • Voice of the Customer
  • Voice of the Market
  • Failure Mode and Effect Analysis
  • Cause and Effect Diagrams
  • Design of Experiments
  • Benchmarking
  • House of Quality

Dr. Joan Burtner, Associate Professor of Industrial Engineering

guidelines for determining six sigma metrics
Guidelines for Determining Six Sigma Metrics
  • Consider ways to measure Service as well as Output factors.
  • Practice continuous improvement of the measurements.
  • Set measurement priorities that match resources (Prioritize for maximum potential gain.)
  • Stop measurements that are not needed or useful.

Dr. Joan Burtner, Associate Professor of Industrial Engineering

selection of six sigma improvement projects
Selection of Six Sigma Improvement Projects
  • There is a gap between current and desired/needed performance.
  • The cause of the problem is not clearly understood.
  • The solution isn’t predetermined, nor is the optimal solution apparent.

Dr. Joan Burtner, Associate Professor of Industrial Engineering

implementation of six sigma improvement projects
Implementation of Six Sigma Improvement Projects
  • Start small; don’t go for large scale changes at first
  • Select several well-defined projects
  • Expand projects after early successes are accomplished

Dr. Joan Burtner, Associate Professor of Industrial Engineering

lean enterprise
Lean Enterprise
  • General term for the application of lean principles
  • Widespread success in manufacturing during past 15 years
  • More recently - applied to transactional endeavors - billing, customer service, etc.
  • Represents a culture change

Dr. Joan Burtner, Associate Professor of Industrial Engineering

evolution of lean manufacturing
Evolution of Lean Manufacturing
  • Total Quality Management
  • Toyota Production System
  • Six Sigma Process Improvement
  • Theory of Constraints
  • Value Stream Mapping
  • Womack and Jones - Lean Thinking
  • Rother and Shook - Learning to See

Dr. Joan Burtner, Associate Professor of Industrial Engineering

wasteful practices
Wasteful Practices
  • Waiting
  • Transportation
  • Overproduction
  • Processing
  • Inventory
  • Motion
  • Defective Products

Dr. Joan Burtner, Associate Professor of Industrial Engineering

lean principles
Lean Principles
  • Pull instead of push scheduling
  • Smaller batch sizes
  • Shorter process times
  • Value-added vs. non value-added
  • Standard work

Dr. Joan Burtner, Associate Professor of Industrial Engineering

lean techniques
Lean Techniques
  • Line balancing
  • One-piece flow
  • Cellular layouts
  • Value-added vs. non value-added
  • Value stream mapping
  • 5S
  • Kaizen

Dr. Joan Burtner, Associate Professor of Industrial Engineering

introduction to the 5s s 1
Introduction to the 5S’s - 1

DISTINGUISH BETWEEN WHAT IS NEEDED AND KEPT AND WHAT IS UNNEEDED AND THROWN OUT

SEIRI

(SIMPLIFY)

ORGANIZE THE WAY WE KEEP NECESSARY THINGS, MAKING IT EASIER TO FIND AND USE THEM

SEITON

(STRAIGHTEN)

Dr. Joan Burtner, Associate Professor of Industrial Engineering

introduction to the 5s s 2
Introduction to the 5S’s - 2

SEISCO

(SCRUB)

KEEP FLOORS SWEPT, MACHINES CLEAN, AND ALL AREAS NEAT AND TIDY

SEIKETSU

(STABILIZE)

MAINTAIN AND IMPROVE THE STANDARDS OF THE FIRST THREE S’S

ACHIEVE THE HABIT OF PROPERLY MAINTAINING THE CORRECT 5S PROCEDURES

SHITSUKE

(SUSTAIN)

Dr. Joan Burtner, Associate Professor of Industrial Engineering

kaizen of an assembly line 1
Kaizen of an Assembly Line 1

Before

After

Dr. Joan Burtner, Associate Professor of Industrial Engineering

standard work flow diagram
Standard Work Flow Diagram
  • Used to help identify the flow of the operation(s)
  • Used as a layout for developing an improved process
  • An excellent tool to use to develop standard work procedures

Dr. Joan Burtner, Associate Professor of Industrial Engineering

cellular layout concept
Cellular Layout Concept
  • The arrangement of manufacturing work cells to allow for a flowing process
  • Eliminates the need for large inventory batches
  • In theory, the parts enter the beginning of the cell as raw materials and exit the cell as completed units

Dr. Joan Burtner, Associate Professor of Industrial Engineering

value stream mapping
Value Stream Mapping
  • Learning to See
  • Hand-drawings preferred
  • Current state map
  • Future state map
  • Man, machines, inventory,times, flow combined into one graphic
  • See example from ISE Capstone Design Course

Dr. Joan Burtner, Associate Professor of Industrial Engineering

mapping the current state
Mapping the Current State
  • ISE Project for a Local Manufacturer

Dr. Joan Burtner, Associate Professor of Industrial Engineering

lean metrics quantitative
Lean Metrics (Quantitative)
  • Lead-times
  • Inventory
  • Inventory Turns
  • Work In Process
  • Workable Floor Space
  • Efficiency
  • Cycle Time

Dr. Joan Burtner, Associate Professor of Industrial Engineering

selection of lean projects
Selection of Lean Projects
  • Use potential increase in net present value to select which value stream to investigate first
  • Analyze value stream map for customers’ critical to quality issues
  • Analyze value stream map for time traps
  • Choose specific projects on the basis of highest rate of return

Dr. Joan Burtner, Associate Professor of Industrial Engineering

proposition 1
Proposition 1
  • Reducing process lead times and variation in the time it takes to complete a process has just as much potential for improving a company’s performance as reducing variation in quality. (Lean Six Sigma, Michael George)

Dr. Joan Burtner, Associate Professor of Industrial Engineering

propositions 2 and 3
Propositions 2 and 3
  • Lean and Six Sigma are inextricably linked as partners in cost reduction, lead time, and quality improvement.
  • Lean produces remarkable successes -- but only in small pockets of activity
  • (Lean Six Sigma, Michael George)

Dr. Joan Burtner, Associate Professor of Industrial Engineering

proposition 4
Proposition 4
  • Lean and Six Sigma should be applied together because
    • A stand-alone Six Sigma program cannot dramatically increase process speed or decrease invested capital
    • A lean enterprise that focuses on eliminating waste will not bring a process under statistical control

Dr. Joan Burtner, Associate Professor of Industrial Engineering

proposition 5
Proposition 5
  • Some people believe lean enterprise methodologies must be completed before Six Sigma gains can be maximized.
  • James Bossert , July 2003 “Lean and Six Sigma--Synergy Made in Heaven” Quality Progress.

Dr. Joan Burtner, Associate Professor of Industrial Engineering

discussion of propositions
Discussion of Propositions
  • Audience members who support Six Sigma
  • Audience members who support Lean
  • Audience members who support neither philosophy

Dr. Joan Burtner, Associate Professor of Industrial Engineering

acknowledgements
Acknowledgements
  • Clyde Ingram, Rheem Manufacturing Lean Training Materials
  • Laura Brown, Industrial Engineering Co-op Student
  • Students enrolled in ISE 482 Senior Industrial Engineering Capstone Design
  • Mike Dunn, Bassett Furniture Lean Project Materials

Dr. Joan Burtner, Associate Professor of Industrial Engineering

references and recommended readings
References and Recommended Readings
  • George, Michael. (2002). Lean Six Sigma: Combining Six Sigma Quality with Lean Speed, New York: McGraw-Hill.
  • Rother, M. and Shook, J. (2003). Learning to See: Value Stream Mapping to Create Value and Eliminate Muda, Brrookline, MA: The Lean Institute.
  • Pande, P, Neuman,R.P., and Cavanagh,R.R. (2000). The Six Sigma Way, New York:McGraw Hill.
  • Bossert , James. ( July 2003) “Lean and Six Sigma--Synergy Made in Heaven” Quality Progress.
  • Goldratt, Eliyahu M., (1994). The Goal: A Process of Ongoing Improvement, second edition. Great Barrington, MA: North River Press.
  • Womack, James P. and Daniel T. Jones. (2003). Lean Thinking: Banish Waste and Create Wealth in Your Corporation. New York: Simon & Schuster.

Dr. Joan Burtner, Associate Professor of Industrial Engineering

contact information
Contact Information
  • Burtner_J@Mercer.edu
  • Mercer University School of Engineering Macon, GA
  • Phone (478) 301- 4127
  • Fax (478) 301- 2331

Dr. Joan Burtner, Associate Professor of Industrial Engineering