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华中科技大学硕士学位论文希捷（无锡）在MRPⅡ环境下的采购流程优化与库存控制姓名：朱屹申请学位级别：硕士专业：工商管理指导教师：崔南方20060429IMRPIIMRPMediaE-BlockMediaMRPIIIIAbstractSeagateTechnologyInc.isthebiggestHDD(harddiskdriver)supplierintheworld.ItsfactorylocatedinWuxiisatypicalrepresentativeoftheElectricalmanufacturingindustry.Seagate(Wuxi)TechnologyInc.hasachievedgreatbusinessdevelopmentsinceit’sfoundationinmid1995,andwillkeeptherapidincreaseinthecomingyears.However,Seagate(Wuxi)Purchasedept.,astheteamofmaterialprocurementandcontrol,istakingthegreaterpressurewhichmainlyderivedfromthelagofpurchaseprocedure&methodandexcessinventory.Theyareinfluencingorwillinfluencetheimprovementofpurchasingefficiencyandquality,capitaloperationandbusinessdevelopment.BasedonSeagate(Wuxi)existingsituation,thisthesisputsforwardtwoproposalswhichareinnovationofpurchaseprocedurewithMRPIIsystemandconcentrativestockinwholeSeagatesupplychaintoremovethetwogreatobstacles.ThisthesisatfirstanalyzedSeagate(Wuxi)purchasingprocess,listedthelimitationoftraditionalpurchasing,broughtforwardinnovationdesignwithMRPII,discussedandstudiedhowtoimplementsupplierscheduling,proceduresimplification,functionconversionofpurchasing.Astotheexcessinventory,weanalyzedinventorydata,pointedoutthatthestockofimportedparts,especiallyofhighunit-valuepartssuchasMedia,E-Blockistherootcausewhichmakesthewholeexcessinventory,studiedthesupplychainsystemofSeagateTechnologyInc.,re-designedthelogisticssystemwiththeconceptofconcentrativestock,andverifiedthethoughtsthroughquantitativeanalysis.Constructionofpartnershipwithsupplierwasthebasisoftheseproposalsanddirectionofpurchasemanagement.Atlast,wevisiontheblueprintofpurchaseinthefuture.Keywords:SupplyScheduling,SupplyChainManagement,ConcentrativeStock,ManufacturingResourcePlanning111.1,,,,[7]406040601-190.954.5290.90%98.20%100%1-12003123804164[13]1.21.2.14123JITMRP12345.12VMI1.2.2,,,,15231.3MRPIIMRP()622.1(EOQ)[34][18]EOQ[18](1)(2)(3)(4)2-172-121QPAC=CE=AB=CD=EF=PQQ/22-2R=PCHPFQ8F2-221TCTC=RP+RC/Q+QH/22.1TC0EOQ=Q=2/2/CRHCRPF=2.2T02/QCHR==2.3RC/QQH/2Q[23]CR/Q=QH/2(2.4)EOQ02/QCRH==(2.5)9P=RL/12=PEOQEOQEOQ2.2TE2-32-30EOI=T=2C/RFP(2.6)10Q=RTEOQ=R*EOI=Q*2C/RFP=2RC/FP=2RC/H(2.7)2.3JITJustInTimeJITJIT(1)(2)(3)[34]JIT[34]JITJIT2.4MRPMRPIIMaterialRequirementPlanningMRPMRPBillofMaterialBOM11MRP[41]MRPMRPMRPMRPIIManufacturingResourcePlanningMRPII[35]MRPIIMRIIMRP2.5MRPII122-4MRPII231333.13.1.11979HDDHard-DiskDrive12.532.5GD500GB/GUsGeographicalUnits,BUsBusinessUnitsHDDHard-DiskDriveE-BlockMedia3-13-1HDDE-BlockMedia14GUsGUsBUs3.1.2GUs53.1.3IT3030[15]MaxtorHitachi[21]WestDigitalSamsung(Fujitsu)3.1.41995151013-13-120002001199572000IBMMAPICSEBlockMediaHDDP316DemandFlowTechnologyP3PremierPerformanceProcess6Sigma19966202005603-2199619982000200220043-21)20052)3.23.2.1MRP/MRPII962001MRPMRPBOM1711203-364%36%3-32004123-4E-BlockMediaBaseCoverE-BlockMediaBaseIAIBPCScrewWOLVERINE[43]E-BlockMedia181543.00%63.10%76.30%81.20%85.80%89.60%92.80%100%E-BlockMediaBaseClampCoverHMMScrewOthers3-420041223[29]200490203IBMMAPICSMRPMRP3-5MRP19MRP3-53.2.22005E-BlockMedia24202E-BlockMediaCostofPoorQualityCOPQ[25]1.2%0.3%COPQMRP20032538200535004.7213.33.2.11519963200455423-6200351.17713-73-6A22223-685E-BlockMediaE-Block30E-Block45[27]InventoryTurnITE-Block[37]IT/3.1E-BlockE-Block2002122.920035E-Block38E-Block3E-Block2371%7%22%3-720043ProjectTrackingSystemPTSE-BlockMediaClampSpacer4545235E-Block[37]E-Block2004E-BlockMedia3-8243-8453.3.23.2.2E-BlockMedia242E-BlockE-BlockMedia252003121.122.9/CostofPoorQualityCOPQ1.2%0.3%COPQ4.0/264114-14.1MRPII[14]274-1284.24-1MAPICS4-2294-21)2)PurchasePriceVariancePPV[12]4.3MRPIIMRP301MRP23412345631MRPIIMRPII4.44.4.1[6]7474003265150015000[8]4.4.233121DDPM234561234DPPM34DPPM[29]34.535(InformationTechnology,IT)ITMAPICSMRPERPSCM[10]ElectronicDataInterchangeEDIEDI36EDIEDIEDIMRPIISCMEDIElectronicFinanceTransferEFT[16]3755.197Media3-8MediaMedia[20]5.1.1138MediaMedia(1)(2)Media(3)/(4)Media(5)97(6)Media4MediaMediaMillion5-15-1Media20042005789101112123456737657365003AVG=4.07STD2.586[30]L=4H=97%13VmaxVl-tLAVG39SSSSSTDL5.1VmaxVmaxVl-tSSLAVG+STDL(5.2)1PLAVG+STDL1(5.3)5-25-29091929394959697989999.91.291.341.411.481.561.651.751.882.052.333.08971.882L=4Vl-tLAVGQQ=Vl-tLAVG(5.4)VavgVavgQ/2SS=Q/2+STDL(5.5)Media5-3405-3Q4.072.58616.289.722626MMedia6.39976.39Media1.883MediaMedia5-49745-42004200578910111212345673765736500581071013108758129151314161817111310812135-5Q9.062.3737.448.9146.3546.35M975-6Media415-64.072.5869.362.3713.432.71Media856Media3-783.323Media818MediaMedia8MediaMedia8103-725-75-78.146.8815.028.1410.958.1419.0918.726.3025.0218.7215.6618.7234.3826.867.2134.0726.8620.6426.8647.54111.2%2)4234.3[41]MediaMediaClampBaseMotorBaseClamp200412BaseClampBase20033382004101172004104.0Media5.1.243MediaMediaMedia8MediaMedia810Media5.1.3[35]441000Media3.5/27/Media0.02%5.2VMIVendorManagementInventoryVMI[21]45MRPII[31]46MRPIIMAPICSMRPIIMRPIIMISMAPICSVMI47K.C.LaoZhonghui.A.MaWesleyChen48[1]AidanViningStevenGloberman.AConceptualFrameworkforUnderstandingtheOutsourcingDecision.EuropeanManagementJournal1999176645–654[2]A