Economical Values of Gage R&R Parameters

경제적인 Gage R&R 계수

  • Park, Sung-Hun (Department of Industrial and Management Engineering, Hanyang University) ;
  • Kang, Chang-Wook (Department of Industrial and Management Engineering, Hanyang University)
  • 박성훈 (한양대학교 산업경영공학과) ;
  • 강창욱 (한양대학교 산업경영공학과)
  • Received : 2012.07.12
  • Accepted : 2012.07.24
  • Published : 2012.09.30

Abstract

Companies strive for quality improvement and use process data obtained through measurement process to monitor and control the process. Measurement data contain variation due to error of operator and instrument. The total variation is sum of product variation and measurement variation. Gage R&R is for repeatability and reproducibility of measurement system. Gage R&R study is usually conducted to analyze the measurement process. In performing the gage R&R study, several parameters such as the appropriate number of operators (o), sample size of parts (p), and replicate (r) are used. In this paper we propose how to determine the optimal combination of number of operators (o), sample size of parts (p), and replicates (r) considering measurement time and cost by statistical method.

Keywords

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