专业英语物流与供应链管理 5.ppt

《专业英语物流与供应链管理 5.ppt》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、Chapter76JITand‘quickresponse’logisticsContent1.Push&pull2.TheJapanesephilosophy3.Implicationforlogistics4.Quickresponselogistics5.Vendormanagedinventory6.Logisticsinformationsystems7.Logisticssystemsdynamics8.Productionstrategiesforquickresponse9.summary1.pusha

2、ndpull产品“推动’与需求”拉动”Question1Accordingtotextthereisaprinciplewhichiswidelyadopted,whatisit?Itisjust-in-time.Question2WhatkindofconceptJITis?EssentiallyJITisa‘pull’conceptwheredemandattheendofthepipelinepullsproductstowardsthemarketandbehindthoseproductstheflowofc

3、omponentsisalsodeterminedbythatsamedemand.JIT本质上是一种“拉动”思想，供应链的终端需求拉动产品去适应市场，同时也决定着产品背后零配件的流向。Question3What’sthetraditional‘push’system?Productsaremanufacturedorassembledinbatchesinanticipationofdemandandarepositionedinthesupplychainas‘buffers’betweenthevariousfu

4、nctionsandentities.在对需求进行预测的基础上大批量生产或组装产品，这种做法在供应链中定位为部门和不同组之间的“缓冲器”。Push&pullD1D2D3D4RDC2FactorywarehouseRDC1FactorycustomersVendors/suppliersProductpushDemandpull配送中心1Question4What’stheconventionalapproachtomeetingcustomerrequirements?Itisbasedonsomeformofstat

5、isticalinventorycontrolcalledreorderpoint(ROP).Question5What’sreorderpoint(ROP)?it’saformofstatisticalinventorycontrolwhichtypicallymightrelyonreorderingwheninventorylevelsfalltoacertainpredeterminedpoint,thispointiscalledROP.当库存水平降低到特定的预测点之下时，就要追加订货来补充库存了。Quest

6、ion6Howtodetermineareorderpoint?areorderpointorreorderlevelispredeterminedbasedontheexpectedlengthofthereplenishmentleadtime(seefigure7.2.p181).TheamounttobeorderedmaybebasedontheEOQ.再订货点是根据所预期的补给前置时间的长度来事先确定的。Question7What’sEconomicorderquantity(EOQ)?Itistheamo

7、unttobeorderedwhichbalancesthecostofholdinginventoryagainstthecostsofplacingreplenishmentorders.指能平衡库存持有成本和订购成本的订购量。EOQmodelcostTotalcostQuantityOrderingcostInventorycarryingcostEOQDeterminingtheeconomicorderquantity经济订货批量示意图订购量库存持有成本订购成本EOQmodelEOQ=(2AS/i)1/2A=

8、AnnualusageS=Orderingcost/set-upcosti=inventorycarryingcostForexample,ifweuse1000unitsofaproductXayear,eachcosting$40andorder/set-upcosts$100andthecarryingcostofinven