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MSA

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Measurement System Analysis (MSA)Gage Repeatability and Reproducibility Study (GR&R)The formulas in this document have been set up only for use with 3 Operators, with 10 sample parts, with each measured 3

times. No modifications to these calculations should be made.

Part # :Description :Dimension :Tolerance Interval:Gage Description:Rate of acceptance:Gage Reference :Judgment :Rate lower than 10% of interval of tolerance: Good capability

Rate between 10 and 30% of interval of tolerance: Acceptable capability according to the contextRate higher than 30% of interval of tolerance: Insufficient capability

1st Operator :Measurements1st2nd3rd2nd Operator: Measurements1st2nd3rd3rd Operator :Measurements1st2nd3rdDate:Operator:1st:2nd:3rd:SampleN°123456710Range0.0000.0000.0000.0000.0000.0000.0000.0000.0000.000Range0.0000.0000.0000.0000.0000.0000.0000.0000.0000.000Range0.0000.0000.0000.0000.0000.0000.0000.0000.0000.000Range of average RA =Sum. of measurements =Average of measure. XA =0.0000.000Range of average RB =Sum. of measurements =Average of measure. XB =0.0000.000Range of average RC =Sum. of measurements =Average of measure. XC =0.0000.000Test for control:Limit higher of control extended : LSC = DxR R is the average of the extents : RA+RB+RCD = 2,58Attention: If an extent exceeds this value, the slotted line is to be remadeLSC =0Analysis:Repeatability:the variation of equipment = K1 x RK1 = 3,05Reproducibility :the variation of operator = K2 x Xdiff K2 = 2,70Xdiff ballast the difference between the max of X and the min of XCapability : the total variation =Capability =Acceptance :Acceptation of this capability is marked by comparing it with the tolerance interval.

Tolerance interval=Rate of acceptance =

Capability / tolerance interval=0Reproducibility =0Repeatability =0

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