MSA实例分析，高手请进

Two-Way ANOVA Table With Interaction

Source DF SS MS F P
Part 9 2.05871 0.228745 39.7178 0.000
Operator 2 0.04800 0.024000 4.1672 0.033
Part * Operator 18 0.10367 0.005759 4.4588 0.000
Repeatability 30 0.03875 0.001292
Total 59 2.24913


Gage R&R

%Contribution
Source VarComp (of VarComp)
Total Gage R&R 0.0044375 10.67
Repeatability 0.0012917 3.10
Reproducibility 0.0031458 7.56
Operator 0.0009120 2.19
Operator*Part 0.0022338 5.37
Part-To-Part 0.0371644 89.33
Total Variation 0.0416019 100.00


Study Var %Study Var %Tolerance
Source StdDev (SD) (6 * SD) (%SV) (SV/Toler)
Total Gage R&R 0.066615 0.39969 32.66 19.98
Repeatability 0.035940 0.21564 17.62 10.78
Reproducibility 0.056088 0.33653 27.50 16.83
Operator 0.030200 0.18120 14.81 9.06
Operator*Part 0.047263 0.28358 23.17 14.18
Part-To-Part 0.192781 1.15668 94.52 57.83
Total Variation 0.203965 1.22379 100.00 61.19


Number of Distinct Categories = 4


上面结果中,%tolerance=19.98，说明这个测量系统可以用于鉴定产品是否合格，但%study var=32.66%是却说明这个测量系统不适用于过程控制，高手请问，这个结果说明什么问题？？？