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Analysisfor30100020063905FailedintoACAGaugeStatus:Part30100020063905madebySourcingSinacannotcompletelyscrewedintoGogaugeM18*1-6gwhichprovidedbyACA,butworkingwellwithSourcingSina’sGauge.Afterdoublecheck,thevalueofundercutof3010002006390is16.91mm,whichisbetweenmin16.80andmax17.10complywithDIN509-E1-0.5,seepicture1belowConclusion:Dimensionofundercutof3010002006390iscorrectbutACA’sgaugecouldnotpassthrough.P1
P2P32.WecheckedSourcingSina’sgauge——allpartscanscrewintoGogaugecompletely,seeP2;Aftermeasuring,thediameteris17.00,betweenmin16.917andmax17.151whichcomplywiththestandard,seeP3
p43.WemeasuredtheGogaugeM18*1-6gACAofferedbydifferentmicrometersanddifferentengineers,finaldiameteris16.89,whichmeansoutoftolerancelimitofthestandard(16.917~17.151),seeP4Conclusion:ItisthemajorcausethatpartscouldnotgothroughACAgaugecompletelyandgetstuckattheundercutarea.
p5p6p74.WereworkedandslightadjusttheundercutbelowthestandardthenitcanpassthroughwithACA’sgaugewell,seeP5;DiameterdataseeP6;Butthepartstillcan’tbescrewedintotheblocksentfromACA,seeP7
P85.Min.IDofthethreadofblockis16.86,outoftolerancelimit(16.917~17.153),seeP8Weconsiderthatmin.IDofthreadM18*1of30100020064901Blockisincorrect.
Theblockfindsmanylessqualityforexampleburs,dirty,scratchandmarks.ItisadefectpartbaseonSourcingSina’squality.
Baseonmeasurementdataandrootcauseanalysis,wehavequalityconclusionasfollowing:Theblock30100020064901providedbyACAhasnon-conformanceonthethread,itistheproblemresultedtheguidecouldnotpassthrough.SourcingSina’sguides30100020063905meetthetoleranceandspecificationwell.TheGogaugesentbyACAhaslessMinIDandtheundercutofSourcingSinapartscomplywiththestandard.
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