The Practical Application of the Process Capability Study
Evolving From Product Control to Process Control
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Book Description
This book shows readers how to use the process capability study to increase return on investment from their statistical process control/Six Sigma effort and make their company more competitive. It provides benefits to every department within a manufacturing organization.
Table of Contents
A Review of Basic Concepts
Specifications Revisited
Process Control Chart vs. Product Control Chart
Process Capability Study Defined
A Shop Floor Example of Process Control
A Short Course in Variation
Stability and the Normal Curve
Study the Product to Understand the Process
Product Control Chart and Process Stability
Product Control Chart and Process Capability
The Simple Number Describing Process Capability
Can a Process be Instable but Capable
Performing a Process Capability Study
A Simple Flow Diagram
The Need for a Qualified Measurement System
Shop Floor Interface
Equipment Walk About
Data Collection
The Available Excel Sheet
Reviewing Results with Management and Shop Floor Associates
After the Process Capability Study Is Complete
How to Address Instability
How to Address a Lack of Capability
Follow Up on a Stable and Capable Process
The Twenty Minute Measurement Analysis
Shop Floor Involvement
The Available Excel Sheet
Chapter Five
The Process Capability as a Purchasing Tool
The Process Capability Study as a Sales and Marketing Tool
The Process Capability Study as a Shop Floor Problem Solving Tool
Conclusion
Author(s)
Biography
Douglas B. Relyea is the founder and senior partner of Quality Principle Associates, a consulting firm based in Norwich, Connecticut that specializes in the education and application of data analysis techniques to industrial/organizational problem solving.
Reviews
… the book has many great examples and case histories that provide insight into the methods the author has employed over at least the past 30 years. …
—Dean Neubauer, Journal of Quality Technology, Vol. 43, No. 3, July 2011The techniques described in this book are essential for the long-term survival of any manufacturer or service provider.
The measurement process analysis technique (MPA) helped us realize many critical product characteristics were far more capable (less variation) than we previously thought. [Doug’s book] reduced inspection, rework, and scrap and overall improved our competitiveness.
—Tom Oringderff, Senior Quality Control Engineer (retired)
—Jerry Cates, Corporate Vice President, Corning Cable Systems, Hickory, North Carolina (retired)