DMAIC: Measure

DMAIC: Measure

DMAIC: Measure Robert Setaputra Measure The measure phase begins with the identification of the key process metrics. Once the key process metrics have been specified, related process and customer data is collected. Purpose of Measure Phase

To validate the data To help the team narrowing the range of potential causes need to be investigated in Analyze phase. Framework Statistical Problem Business Problem

Measurement Business Solution Statistical Solution Measurement System Analysis MSA is a study to determine the extent and acceptability of system measurement 5 Properties

Biasness Stability Linearity Repeatability Reproducibility Gage R&R

Repeatability & Reproducibility (R&R) Repeatability Variation that is due to the measurement device (same operator, same part, same device). Within person variation. Reproducibility Variation

that is due to the measurement system (different operators, different parts, same device). Between person variation Gage R&R Study Design (Crossed Design) Select a set of representative parts. Select a group of operators to measure the parts. Ask the operators to measure for each part repeatedly.

Ex. 5 parts, 2 operators, and 4 replicates. Gage R&R using Minitab Gage R&R Run Chart Gage R&R Study (Crossed) ANOVA Gage R&R Contribution

Exercise: Table 5.6 (p. 121) Table 19.6 (p. 617)

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