Gage R&R 是100%,问题在哪里?
这是我新作的Gage R&R,最后结果是100%。其中part varience是0,这是怎么回事。
测量数据时:0.250 +0.000/-0.002
用minitab 14计算的,这是结果:
Gage R&R Study - ANOVA Method
Two-Way ANOVA Table With Interaction
Source DF SS MS F P
part 9 0.0000255 0.0000028 0.57327 0.790
op 1 0.0000132 0.0000132 2.67322 0.136
part * op 9 0.0000445 0.0000049 4.39753 0.003
Repeatability 20 0.0000225 0.0000011
Total 39 0.0001058
Alpha to remove interaction term = 0.25
Gage R&R
%Contribution
Source VarComp (of VarComp)
Total Gage R&R 0.0000035 100.00
Repeatability 0.0000011 32.61
Reproducibility 0.0000023 67.39
op 0.0000004 12.00
op*part 0.0000019 55.39
Part-To-Part 0.0000000 0.00
Total Variation 0.0000035 100.00
Process tolerance = 0.002
Study Var %Study Var %Tolerance
Source StdDev (SD) (6 * SD) (%SV) (SV/Toler)
Total Gage R&R 0.0018574 0.0111445 100.00 557.23
Repeatability 0.0010607 0.0063640 57.10 318.20
Reproducibility 0.0015248 0.0091488 82.09 457.44
op 0.0006433 0.0038601 34.64 193.00
op*part 0.0013824 0.0082946 74.43 414.73
Part-To-Part 0.0000000 0.0000000 0.00 0.00
Total Variation 0.0018574 0.0111445 100.00 557.23
出来的图片请看附件。
请帮忙分析一下,谢谢了!
测量数据时:0.250 +0.000/-0.002
用minitab 14计算的,这是结果:
Gage R&R Study - ANOVA Method
Two-Way ANOVA Table With Interaction
Source DF SS MS F P
part 9 0.0000255 0.0000028 0.57327 0.790
op 1 0.0000132 0.0000132 2.67322 0.136
part * op 9 0.0000445 0.0000049 4.39753 0.003
Repeatability 20 0.0000225 0.0000011
Total 39 0.0001058
Alpha to remove interaction term = 0.25
Gage R&R
%Contribution
Source VarComp (of VarComp)
Total Gage R&R 0.0000035 100.00
Repeatability 0.0000011 32.61
Reproducibility 0.0000023 67.39
op 0.0000004 12.00
op*part 0.0000019 55.39
Part-To-Part 0.0000000 0.00
Total Variation 0.0000035 100.00
Process tolerance = 0.002
Study Var %Study Var %Tolerance
Source StdDev (SD) (6 * SD) (%SV) (SV/Toler)
Total Gage R&R 0.0018574 0.0111445 100.00 557.23
Repeatability 0.0010607 0.0063640 57.10 318.20
Reproducibility 0.0015248 0.0091488 82.09 457.44
op 0.0006433 0.0038601 34.64 193.00
op*part 0.0013824 0.0082946 74.43 414.73
Part-To-Part 0.0000000 0.0000000 0.00 0.00
Total Variation 0.0018574 0.0111445 100.00 557.23
出来的图片请看附件。
请帮忙分析一下,谢谢了!
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guofeng (威望:0) (广东 东莞) 汽车制造相关 员工
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