Jeffrey T. Luftig

1 Introduction to Quality

   A Brief History

   An Operational of Quality 

2 Data and Statistics 

   Time, Shape, Spread and Location

   Describing Data Graphically

      Run Charts

      Histograms

   Describing Data Numerically

      Measures of  Location

      Measures of Variability

      Populations and Samples

      The Normal Distribution and Z Scores

      Mesaure of  Shape

3 Process Variation 

    Processes

    Variation

    Product versus Process Control

    Process Dominance

    Quality Control of  Technologies

4 Statistical Process Control Charts  

    Development of a Process Control Chart

         Step 1: Select a Characteristic

         Step 2: Select the Sampling Plan

         Step 3: Select the Chart Type

         Step 4: Collect Data

         Step 5: Calculate Sample Statistics

         Step 6: Calculate Centerline(s)

         Step 7: Calculate Control Limits

         Step 8: Plot the Control Chart(s)

         Step 9: Assess Process Control

         Step 10: Assess Process Capability

         What to Do When a Process Is Not Capable

5 X-bar and Range Charts  

   Introduction

   The Case of the Shaft Outside Diameter

   Conclusions

        Limits and Spesifications

6 X-bar and s Charts  

   Introduction

   The Case of the Electronic Assembly Voltage

   Conclusions

7 Individuals and Moving Range Charts  

   Introduction

      Chart Sensitivity

      Distribution Shape

      Relationship between Successive Points

      The Case of Chrome Plate Tank #6

  Conclusions

  Other Notes on the Individuals and Moving Range Chart

8 P Charts  

   Introduction

   The Case of the Wound Coil Resistance

   Conclusions 

9 NP Charts  

   Introduction

   The Case of the Chain Saw Bars

   Conclusions 

10 C Charts  

      Introduction

      The Case of the #12 Insulated Wire Supplier

      Conclusions 

11 U Charts  

      Introduction

      The Case of the Incoming Ceramic Substrates

      Conclusions 

12 Strategies 

     Team Commissing

     Problem-Solving Strategy

         Eliminating Chronic Problems

     Quality Improvement Strategy

     Team Decommissioning

13 Final Thoughts  

     Control Charts Are Not the Goal

     Nothing Magical Really Happens

     Online versus Offline

     Address Basics

     Remember Other Technologies Exist

     Control Chart PDCA

     Further Knowledge of Statistical Methods

     SPC Training

     Using Computers in SPC

     In Conclusion