Variability Gauge

Variability Gauge Analysis for Diameter_mm


Variability Chart for Diameter_mm








Analysis of Variance

SourceDFSSMean SquareF RatioProb > F
Operator20.0031650.00158119.290<.0001*
Part90.0401820.00446336.506<.0001*
Operator*Part180.0002391.33e-51.4650.1359
Within600.0005430.00001
Total890.044130.0005

Variance Components

ComponentVar Component% of TotalSqrt(Var Comp)
Operator0.000052329.4
0.00723
Part0.0004946088.7
0.02224
Operator*Part0.000001400.2519
0.00118
Within0.000009061.6
0.00301
Total0.00055738100.0
0.02361

Gauge R&R


Measurement SourceVariation (6*StdDev)% of Tolerance which is 6*sqrt of
Repeatability(EV)0.018055179.03Equipment Variation V(Within)
Reproducibility(AV)0.0439760921.99Appraiser Variation V(Operator) + V(Operator*Part)
Operator0.0433975321.70 V(Operator)
Operator*Part0.007109933.55 V(Operator*Part)
Gauge R&R(RR)0.0475382623.77Measurement Variation V(Within) + V(Operator) + V(Operator*Part)
Part Variation(PV)0.1334382166.72Part Variation V(Part)
Total Variation(TV)0.1416532570.83Total Variation V(Within) + V(Operator) + V(Operator*Part) + V(Part)

6k
33.5596% Gauge R&R = 100*(RR/TV)
0.35626Precision to Part Variation = RR/PV
3Number of Distinct Categories = Floor(sqrt(2)*(PV/RR))
9.9Lower Tolerance (LT)
10.1Upper Tolerance (UT)
0.2Tolerance = UT-LT
0.23769Precision/Tolerance Ratio = RR/(UT-LT)

Using last column 'Part' for Part.
Variance Components for Gauge R&R
ComponentVar Component% of Total
Gauge R&R0.0000627711.26
Repeatability0.000009061.62
Reproducibility0.000053729.64
Part-to-Part0.0004946088.74