vdoc

Chapter 13: G. Measurement System Analysis 133
Gage R&R Study Using Crossed Design
Gage name:
Date of study:
100
80
Reported by:
Tolerance:
Misc.:
Components of Variation
% Contribution
% Study var
% Tolerance
Percent
60
40
20
Part II.G
0
Gage R&R Repeat Reproducibility Part-to-part
Figure 13.8 Percent contribution of variance components for the data in Example 13.1.
Gage R&R Study Using Crossed Design
Gage name:
Date of study:
Reported by:
Tolerance:
Misc.:
Xbar Chart by Operators
1 2 3
Sample mean
50
40
30
20
UCL
X – = 37.88
= 34.98
LCL = 32.08
Sample range
6
4
2
0
R Chart by Operators
1 2 3
UCL = 7.294
R – = 2.833
LCL = 0
Figure 13.9 X – and R chart for the data in Example 13.1.