ABLE OF CONTENTS MSA 4th Edition Quick Guide .......iv
TABLE OF CONTENTS........v
List of Tables....... vii
List of Figures .... viii
CHAPTER I General Measurement System Guidelines.....1
Section A Introduction, Purpose and Terminology ...3
Introduction .....3
Purpose ......4
Terminology ....4
Section B The Measurement Process P...13
Measurement Systems .....13
The Effects of Measurement System Variability.......18
Section C Measurement Strategy and Planning.......25
Section D Measurement Source Development .......29
Gage Source Selection Process....31
Section E Measurement Issues ........41
Section F Measurement Uncertainty......63
Section G Measurement Problem Analysis .......65
CHAPTER II General Concepts for Assessing Measurement Systems...67
Section A Background...69
Section B Selecting/Developing Test Procedures....71
Section C Preparation for a Measurement System Study ....73
Section D Analysis of the Results....77
CHAPTER III Recommended Practices for Replicable Measurement Systems ......81
Section A Example Test Procedures......83
Section B Variable Measurement System Study Guidelines .....85
Guidelines for Determining Stability.......85
Guidelines for Determining Bias PF – Independent Sample Method .......87
Guidelines for Determining Bias – Control Chart Method....92
Guidelines for Determining Linearity P....96
Guidelines for Determining Repeatability and Reproducibility P ....101
Range Method....102
Average and Range Method ......103
Analysis of Variance (ANOVA) Method ....123
Section C Attribute Measurement Systems Study .......131
Risk Analysis Methods........131
Signal Detection Approach........143
Analytic Method P....145
CHAPTER IV Other Measurement Concepts and Practices .....151
Section A Practices for Non-Replicable Measurement Systems ...153
Destructive measurement systems ...153
Systems where the part changes on use/test ......153
Section B Stability Studies ......155
Section C Variability Studies...161
Section D Recognizing the Effect of Excessive Within-Part Variation....167
Section E Average and Range Method – Additional Treatment....169
Section F Gage Performance Curve P...177
Section G Reducing Variation Through Multiple Readings....183
Section H Pooled Standard Deviation Approach to GRR P......185
APPENDICES....193
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