單值公差算CPK

1、It should be noted that one-sided type specification such as flatness, straightness, true position, perpendicularity, etc where the spec target is zero and you cannot have a negative value, the process distribution will almost always be nonnormal.Capability Analysis (Normal Distribution) - OptionsTa

2、rget (adds Cpm to table); oTUse toleranc亡 of K*sigma for capability statistics K = |6Display<* Parts per millionC PercentsPerform AnalysisWithin subgroup analysis 辰 Overall analysis停 Capability stats (Cp, Pp) C Benchmark Z's (sigma level) r Indude confidence intervalsConfidence level; (95.0Co

3、nfidence intervals: |Two-sidedTitle:CancelRun Chart of 7.90 Depth7.988.00-5 0 59 9 8 7 7 75dao 06<7.80-12468101214161820 2224 26 2830ObservationNumber of runs about median:18Expected number of runs:16.0Longest run about median:4Approx P-Value for Clustering:0.771Approx P-Value for Mixtures:0.229N

4、umber of runs up or down:21Expected number of runs:19.7Longest run up or down:3Approx P-Value for Trends:0.724Approx P-Value for Oscillation:0.276Process Capability of 7.90 DepthLSL7.82T arget7.9USL7.98Sample7.%049Sample N30StDev(Wrthin)0.00812852StDev (Overall)0.00767851Process DataLSLTargetUSLObse

5、rved PerformancePPM < LSL0.00PPM > USL0.00PPM Total0.00Exp Within Perform a neePPM < LSL0.00PPM > USL8193.23PPM Total8193.23Exp Overall PerformaneePPM < LSL0.00PPM > USL5529.06PPM Total5529.060.10-0.08-0.06-0.04-0.02-24681012141618202224262830ObservationNumber of runs about median:

6、11Expected number of runs:16.0Longest run about median:8Approx P-Value for Clustering:0.032Approx P-Value for Mixtures:0.968Number of runs up or down:16Expected number of runs:19.7Longest run up or down:4Approx P-Value for Trends:0.051Approx P-Value for Oscillation:0.949Process Capability of Flatnes

7、sExp Overall Performanee PPM < LB事PPM > USL 0.00 PPM Total 0.00Observed PerformancePPM < LB0.00PPM > USL0.00PPM Total0.00Exp Within Perform a nee PPM < LB * PPM > USL 0.00 PPM Total 0.002520o< ugsod15o10o0.05-2468101214161820 2224 26 2830ObservationNumber of runs about median: E

8、xpected number of runs: Longest run about median: Approx P-Value for Clustering: Approx P-Value for Mixtures:1216.060.0690.931Number of runs up or down: Expected number of runs: Longest run up or down: Approx P-Value for Tends: Approx P-Value for Oscillation:19.740.1170.883Process Capability of Position AProcess DataLB0Target0USL0.25Sample Mean0.06067Sample N30StDev(Wrthin)0.0179231StDev(Overall)0.0228483Exp Overall Performanee PPM < LB事PPM > USL 0.00 PPM Total 0.00