Gage Repeatability & Reproducibility (R&R) Studies (SPC-4)

Course Outline

INTRODUCTION

This course covers methods for planning and conducting Gage R&R studies and methods for isolating causes when Gage R&R studies fail.

INSTRUCTOR

Gary K. Griffith

COURSE LENGTH

8 Hours

MATERIALS

SPC Methods for Long & Short Runs by Gary Griffith

PRE-REQUISITES

None

SUGGESTED AUDIENCE

All personnel who are responsible for measurement and gaging support and for conducting Gage R&R studies.

OUTLINE
INTRODUCTION
  • Measurement:
    Methods
    Discrimination
    Repeatability
    Reproducibility
  • Variability in Measurements
    How it affects SPC
    How to avoid it
PLANNING FOR GAGE R&R
  • How to avoid false failures
  • Preparing the study
  • Measurement practices
  • Applicable gages/personnel
  • Why/When to use Gage R&R
  • GAGE R&R METHODS
Range Methods
  • Range Method (Long Form)
  • Range Method (Short Form)
IMPROVING GAGE R&R PROBLEMS
  • Reducing equipment variation (E.V.)
  • Reducing appraiser variation (A.V.)
  • Reducing total variation (R&R)