GRRreport(FAI 6# SPC A 0.02).xls

Part Name: X50 USL = Operators = Device: CMM LSL =0 Characteristic: FAI 6# SPC A Tolerance = Operator AB Sample Trial 1 Trial 2 Trial 3 Range Trial 1 Trial 2 1 2 3 4 5 6 7 8 9 10 Average = Average = EV (Equipment Variation) = AV (Appraiser Variation) = Sigma EV= Sigma AV= Repeatability = Reproducibility = Your results are excellent. Your results are adequate. EV =R dbar *K 1 AV = (X bar diff*K 2) 2- (EV 2/ (parts*trials)) Sigma EV= EV / Sigma AV= AV / Repeatability = 100 * (EV / Tolerance) Reproducibility = 100 * (AV / Tolerance) Results Key 0 to 10 Excellent EV and AV are based on 10 to 20 Adequate = (99% of the area under the normal distribution curve) 20 to 30 Marginal > 30 eptable Check = 30 Operators*Samples must be greater than 20 0 123456789 10 Range by Part Number Part Range ABC Part UCL 1 2 30 4