Newcastle University School of Chemical Engineering and Advanced Materials
CONTENTS
Foreword
What is SPC ?
Tools for SPC
Flow charts
  Run charts
  Pareto charts
  Cause and effect diagrams
  Frequency histograms
  Control charts
common cause variations
    special cause variations
    how they work
    types of charts
    assumptions
    properties of the normal PDF
    interpretation
    hypothesis testing
    run rules for Shewhart charts
    CUSUM charts
    relative merits
Process Capability
concepts
  relative capability
  capability index
  performance index
  the message
Summary
References
Copyright Information

 

 
What is SPC?
  • SPC stands for Statistical Process Control
  • SPC does not refer to a particular technique, algorithm or procedure
  • SPC is an optimisation philosophy concerned with continuous process improvements, using a collection of (statistical) tools for
    • data and process analysis
    • making inferences about process behaviour
    • decision making
  • SPC is a key component of Total Quality initiatives
  • Ultimately, SPC seeks to maximise profit by
    • improving product quality
    • improving productivity
    • streamlining process
    • reducing wastage
    • reducing emissions
    • improving customer service, etc.

 

    Written by: M. Tham