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1、本科畢業(yè)設計（論文）外文翻譯原文：原文：SPCSPCin‘nonproduct’applicationsin‘nonproduct’applicationsIntroductionIntroductionThetitleisunftunatebutisbasedonawidelyusedphrase.Itsuggestsaseparationbetweenthebusinessofactualmanufacturethemanysupp

2、tingfunctionsessentialtoproduction.Itfailstoreflectthephilosophyof‘totalquality’withoutwhichSPCJITMRPetc.cannotyieldrealbenefitsincostsproductivityattitudesaswellassimplyproductquality.Itmayperpetuatethe‘usthem’divisions

3、thatSPCwkingwithin(fexample)theDemingmanagementstyleshoulderode.Howeverinprocesssupptbusinessareasthereoftenneedstobeachangeofemphasisinthetechniquesusedhenceofrelevanttrainingmaterial.Fthisreasonalonenotbecausetheyaredi

4、stinctcompartmentsitisusefultoreviewsomeofthestatisticalmethodsappropriateinthreemainspheresofactivity.Inthederinwhichtheyoftendevelopthesespheresofactivityareasfollows.ThepurposeofSPCistousecontrollimitstoimprovetheproc

5、essbasedontheprocessbehavi.Whencontrollimitsareutilizedweonlyadjusttheprocesswhenthereisatruestatisticalsignal.Themostcommonstrainofthecontrollimitsvirusoccurswhenmanagementsetscontrollimitsbasedontheiropinionofwherethep

6、rocessshouldbeinsteadoftherealityoftheprocess.ThedoublelimitvisionvirussettlesintheopticnervecreatingSomeofthebasictechniquesofSPCwereiginallydevelopedarestillwidelyusedfmonitingproductacteristics.Thesimplestexamplesaret

7、hoseofdimensionsfmachinedpartsweightsvolumesofprepackagedgoodstestpropertiesoffinishedmaterials.TheSPCmethodsdevelopedfsuchapplicationsincludethecontroltwithlimits(calculatedfromrelevantdata)todetectanyinstabilitiesvario

8、usindicesfmeasuringcapabilityconfmancetoacustomerspecification.ThemostwidelyusedindicesarecurrentlyCpCpkwherevaluesinexcessof1indicateveryfew(i.e.0.10.3%)ofitemsviolatethetolerance(s)valuesof1.33meindicatethatonlyoneinte

9、nsofthoussisoutsidespecification.ThebasicphilosophyofSPCisessentiallyapplicabletoinprocessmeasurements.Controlofthese‘upstream’acteristicsensuresminimaldifficultywiththeproducttheaimof‘neverendingimprovement’isamecomplet

10、eunderstingofhowtheprocessitselffunctions.Thatunderstingcanthenbeexploitedtospecifyoperatingconditionsthatprovidefexcellenceofoutput.PhilosophyPhilosophyofof‘process’‘process’SPCSPCWheretheprocessissimplethereisadirectfe

11、edbackloopfromproducttoprocessacteristics.Ifmachinedcomponentsareundersizethetoolsettingisadjustedbyanappropriateamountifbottlesarebeingoverfilledthetimerperhapsacutoffsettingismodified.Inotherindustriesthereisamuchmecom

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