Content: Cover
Half Title
Title
Copyright
Contents
Preface
Introduction
MODULE 1 BASIC PRINCIPLES
Causes of Variation
Tools of Quality
The Histogram or Frequency Distribution
The Control Chart
Variables Charts
Attribute Charts
Summary
MODULE 2 FREQUENCY HISTOGRAMS AND CHECKSHEETS
What Is Variation?
Frequency Histograms
Constructing a Frequency Histogram
Some Cautions
What Frequency Histograms Tell You About Underlying Frequency Distributions
Frequency Histograms in Production Situations
Checksheets
Summary
Practice Problems MODULE 3 VARIABLE CONTROL CHARTS Using Average and Range Charts That Are Already Set Up
Interpreting Average and Range Charts
Averages Outside Control Limits
Other Signs of a Process Out of Control
Sources of Assignable Causes
Ranges Outside Control Limits
Setting Up Average and Range Charts
How to Use Control Charts in Continued Production
Median and Range Charts
Developing a Median and Range Chart
Individual and Range Charts
Developing an Individual and Range Chart
Control Limits
Summary
Practice Problems
MODULE 4 ATTRIBUTE CONTROL CHARTS Why Use an Attribute Control Chart? Percent Defective p-Charts
How to Use p-Charts
Interpreting Percent Defective p-Charts
Percent Defective, p, Inside Control Limits
Percent Defective, p, Outside Control Limits
Other Indications of Out-of-Control Processes
Types of Assignable Causes
Setting Up Percent Defective p-Charts
Fraction Defective p-Charts
How to Use a Newly Developed p-Chart in Continued Production
The np-Chart
Setting Up the Chart
c-Charts
How to Use c-Charts
Interpreting c-Charts
Setting Up c-Charts
Summary
Practice Problems MODULE 5 MACHINE AND PROCESS CAPABILITY Machine Capability
Average and Range Chart Method
Limits for Individuals
The Probability Plot
Estimating the Proportion of Parts Out of Specification
Process Capability
Capability Index
Capability Ratio
Summary
Practice Problems
MODULE 6 QUALITY PROBLEM-SOLVING TOOLS
Brainstorming-A Downpour of Ideas
What Is Needed for Brainstorming?
How Does a Brainstorm Work?
Prodding Techniques
Completing the Brainstorm-A Thorough Soaking
Difficulties With Brainstorming and What to Do About Them Cause and Effect Diagrams-Organizing the Brainstorm Why Use the C and E Diagram?
How to Construct a Cause and Effect Diagram
The Process of Constructing the Cause and Effect Diagram
Types of Cause and Effect Diagrams
Pareto Analysis
How to Construct a Pareto Diagram
How to Interpret the Pareto Diagram
Process Flow Charts
Process Flow Chart Symbols
Constructing a Process Flow Chart
How to Use the Process Flow Chart
Scatter Diagrams
When to Use a Scatter Diagram
How to Construct a Scatter Diagram
Summary
Practice Problems