anova gage rr
TRANSCRIPT
Gage R&R Study - Data Entry More on GR&R:
Part #/Name: Sample Part Gage #/Name: Prototype Gage AFeature Name: Special Dimension Completed by: John SmithFeature Tolerance: 72.000 Study Date: 7/5/2012
p-Value for Interaction: 0.25 (default is 0.25)
Notes: (1) all calculations in this workbook have been validated using AIAG standards with ten parts, three appraisers, and three trials. (2) all measurement data (ten parts, three appraisers, three measurements each) must be entered to obtain valid results.
Appraiser Trial #
Part
Average1 2 3 4 5 6 7 8 9 10
Appraiser A1 56 44 -11 0 0 30 18 25 22 18 20.22 56 45 -9 0 0 36 15 26 22 15 20.63 54 49 -9 0 0 36 16 24 24 16 21
Average 55.333 46.000 -9.667 0.000 0.000 34.000 16.333 25.000 22.667 16.333 20.600
Range 2.000 5.000 2.000 0.000 0.000 6.000 3.000 2.000 2.000 3.000 2.5
Appraiser B1 51 47 -10 -4 0 36 10 28 36 20 21.42 53 48 -19 -3 -3 38 15 17 24 13 18.33 58 46 -12 -4 0 30 14 20 25 15 19.2
Average 54.000 47.000 -13.667 -3.667 -1.000 34.667 13.000 21.667 28.333 16.000 19.633
Range 7.000 2.000 9.000 1.000 3.000 8.000 5.000 11.000 12.000 7.000 6.5
Appraiser C1 50 43 -10 -2 0 32 16 21 20 15 18.52 49 43 -8 -4 0 32 12 15 19 14 17.23 50 45 -12 -4 0 35 10 17 21 16 17.8
Average 49.667 43.667 -10.000 -3.333 0.000 33.000 12.667 17.667 20.000 15.000 17.833
Range 1.000 2.000 4.000 2.000 0.000 3.000 6.000 6.000 2.000 2.000 2.8
Part Average 53.000 45.556 -11.111 -2.333 -0.333 33.889 14.000 21.444 23.667 15.778 19.356
©2012 DMAIC Tools
www.dmaictools.com/measure/grr
Gage R&R Results - ANOVA MethodPart #/ Name: Sample Part Gage Name: Prototype Gage AFeature Name: Special Dimension Completed by: John SmithFeature Tolerance: 72 Study Date: 5-Jul-12
Summary Results
% ToleranceTotal Gage R&R 15% 27% Repeatability 13% 22% Reproducibility 9% 15%Part-to-Part 99% 173%
Two-Way ANOVA Table With InteractionDF SS MS F P Value
Part 9 34922.8444 3880.31605 304.353 0.000
Appraiser 2 118.2889 59.14444 4.639 0.024
Appraiser-Part Interaction 18 229.4889 12.74938 1.796 0.047 Interaction will be included if p value is less than 0.25(reference "p-Value for Interaction" input on Data Entry page)
Equipment 60 426.0000 7.10000
Total 89 35696.6222
Two-Way ANOVA Table Without InteractionDF SS MS F P Value
Part 9 34922.8444 3880.31605 461.739 0.000
Appraiser 2 118.2889 59.14444 7.038 *
Equipment 78 655.4889 8.40370 - -
Total 89 35696.622
Gage R&R
SourceTotal Gage R&R 10.52963 2% Repeatability 7.10000 2% Reproducibility 3.42963 1% Appraiser 1.54650 0% Appraiser-Part 1.88313 0%Part-to-Part 429.72963 98%Total Varation 440.25926 100%
Number of Distinct Categories 9
Source % ToleranceTotal Gage R&R 3.24494 19.46963 15% 27% Repeatability 2.66458 15.98750 13% 22% Reproducibility 1.85193 11.11156 9% 15% Appraiser 1.24358 7.46151 6% 10% Appraiser-Part 1.37227 8.23363 7% 11%Part-to-Part 20.7299 124.37953 99% 173%Total Varation 20.9824 125.89414 100% 175%
©2012 DMAIC Tools
www.dmaictools.com/measure/grr
% Study Variation
Variance Component
% Contribution
Standard Deviation
Study Variation (6s)
% Study Variation
2% 1%
98%
Pie Chart - Variance Components
Repeatability
Reproducibility
Part-to-Part
Total Gage R&R
Repeatability Reproducibil-ity
Part-to-Part0%
20%
40%
60%
80%
100%
% Study Variation
% Tolerance
Gage R&R Results - ANOVA MethodCalculations per AIAG MSA Manual, Third and Fourth Editions
Study InformationPart #/ Name: Sample Part Gage Name: Prototype Gage AFeature Name: Special Dimension Completed by: John SmithFeature Tolerance: 0.02 Study Date: 5-Jul-12
©2012 DMAIC Tools
www.dmaictools.com/measure/grr
1 2 3 4 5 6 7 8 9 10
-20.000-10.000
0.00010.00020.00030.00040.00050.00060.000
Interaction Plot
Appraiser A Appraiser B Appraiser C
Part
Ave
rage
Appraiser A Appraiser B Appraiser C
-20.000-10.000
0.00010.00020.00030.00040.00050.00060.000
Measurements by Appraiser
Appraiser
Valu
es
1 2 3 4 5 6 7 8 9 10-30-20-10
010203040506070
Measurements by Part
Part
Valu
es
1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 100.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00Range Control Chart
Appraiser A Appraiser B Appraiser C
Sam
ple
Rang
e