GRR-案例表格

Gauge Repeatability and Reproducibility Data SheetAsset No :XXX-000-001OPERATOR/TRIAL#PART17.487.477.477.470.017.477.467.477.470.017.487.477.477.470.01Average27.427.427.427.420.007.457.457.457.450.007.437.437.427.430.0137.437.427.427.420.017.447.427.447.430.027.457.437.447.440.0247.447.437.447.440.017.457.457.457.450.007.467.447.447.450.0257.447.437.437.430.017.417.417.427.410.017.447.437.437.430.0167.457.447.457.450.017.457.477.477.460.027.457.457.457.450.0077.407.407.407.400.007.417.417.417.410.007.407.407.407.400.0087.447.447.447.440.007.437.437.437.430.007.457.457.467.450.0197.447.437.437.430.017.367.377.377.370.017.447.437.447.440.01107.437.427.427.42Xa=7.447.437.437.43Ａ１　２　３Avg.RangeＢ１　２　３0.01Ra=0.0077.437.427.427.42Xb=7.437.437.437.43Avg.RangeＣ１　２　３0.01Rb=0.0087.447.437.437.43Xc=7.447.447.447.44Avg.RangePartAvg. (Xp)0.01Rc=0.0107.477.437.437.447.437.457.407.447.417.43Rp=R=0.070.0080.0090.0220.00 [Ra+Rb+Rc] / No. of operators = [XMax - XMin] = Xdiff [R x D4] = UCL (D=3.27 for 2 trials & 2.58 for 3 trials)4 [R x D3] = LCL (D=0 for up to 7 trials)3

A Tester :B Tester:C Tester:Date :

tester Dtester Btester Cxx-xx-xx

Confirmed:Supervisor

Date :xx-xx-xx

QC Mgr. :XXX

Date :xx-xx-xx

Part No. and Name:Characteristics:Specification :

Gauge name:Gauge no:Gauge type:

Date :Asset no.:File name:

From data sheet: R =0.01

Xdiff =0.01Rp=0.07

Measurement Unit AnalysisRepeatability - Equipment Variation (EV)EV ===RxK13.05TrialsK1234.563.05% Process Variation%EV =100 x [EV / TV ]=100 x [0.03=22.1%/0.12]0.008x0.025Reproducibility - Appraiser Variation (AV)AV =√[(Xdiff x K2)2 - (EV2/nr)]=√[(0.009x=0.0232.70)2-(0.032/(30K2)]23%AV =100 x [AV / TV ]=100 x [0.02=19.9%/0.12]Operators3.652.70Repeatability & Reproducibility (R & R)R&R =√(EV2 + AV2)=√(0.0252+0.023=0.034Part Variation (PV)PV ===RP0.070.110xxK31.622 PartsK3)234567893.65%R&R=2.702.302.081.931.821.741.671.62100 x [R&R / TV ]=100 x [0.034/0.115]=29.8%%PV=100 x [PV / TV ]=100 x [0.11=95.5%/0.12]Total Variation (TV)TV =√(R&R2 + PV2)=√(0.0342+0.110=0.115Gauge system O.K.

2 )10Under 10% error -10% to 30% error -Over 30% error -

May be acceptable based upon importance of application,cost of gauge, cost of repairs,etc.Gauge system needs improvement.Make every effort to identify the problems and have them corrected.