Introduction To Quality Engineering: Designing Quality Into Products And Processes

Contents :

PREFACE
SYMBOLS
CHAPTER 1. VARIETY AND QUALITY
Functional Variability and Quality Problems
Variety Problems and Quality Problems
Problems
Discussion
CHAPTER 2. VARIABILITY LOSS AND TOLERANCE
Ready-to-Wear Clothing and the Size Problem
Tolerance and Interval
Determining the Neck Size interval
Functional Limits and Tolerances
Loss Function
Inadequate Process Capability
Destructive Inspection
Quality Assessment and Inspection
Problems
Discussion
CHAPTER 3. DETERMINING TOLERANCES
Higher-and Lower-level Characteristics
Hardness and Thickness of Steel Sheet
Deterioration Characteristics
Tolerances for Deterioration Characteristics
When Measurement and Adjustment are Impossible
Problems
Discussion
CHAPTER 4. TOLERANCE DESIGN AND EXPERIMENTAL DESIGN
Linear and Quadratic Coefficients
Expansion by orthogonal Polynominals
Simple Example of a Two-Way Layout
Analysis of Variance
Tolerance Design
Problem
Discussion
CHAPTER 5. OF-LINE AND ON-LINE QUALITY CONTROL
Variability Due to Error Factors, and Countermeasures
Off-Line Quality Control (Quality Engineering)
Design of Production Processes
The Tile Experiment
One-Line Quality Control
The Roles of Off-Lien and On-Line Quality control
Problems
Discussion
CHAPTER 6. PARAMETER DESIGN AND TOLERANCE DESIGN: CASE STUDY
Setting Parameter Levels
Parameter Design of Wheatstone Bridge
Layout and Signal-to-Noise Ratio
S/N Analysis
Tolerance Design
Summary of Quality Design
Problem
Discussion
CHAPTER 7. EXPERIMENTAL DESIGN FOR SMALLER-IS-BETER CHARACTERISTICS
Smaller-is-Better Characteristics and the Los Function
S/N Ratio of Smaller-is-Better Characteristic
Quality and Data
Design of an Experiment on Wear
Calculation of S/N Ratio and Analysis of Variance
Estimate of Significant Factors and Conclusion
Problem
Discussion
CHAPTER 8. EXPERIMENTAL DESIGN OR LARGER-IS-BETTER CHARACTERISTICS
Larger-is-Better Characteristics
Loss Function of Larger-is Better Characteristic
Sample Calculation
Experiment on Bonding Strength of Plastic Product, and S/N Ratio
Analysis of Variance
Estimation of Factorial Effects
Determination of Optimum Conditions and Process Average
Problem
Discussion
CHAPTER 9. BY-PASSING THE S/N RATIO:SPRING EXPERMENT
Life Test
Clutch Spring Life Test: Analysis of Variance
Clutch Spring Life Test: Estimation
Problem
Discussion
CHAPTER 10. EXPERIMENTAL DESIGN FOR DYNAMIC CHARACTERISTICS
Dynamic Characteristics
Experiment on Truck Steerability
Calculation of S/N Ratio
Analysis of S/N Ratio
Problem
Discussion
REFERENCES
APPENDICES
INDEX