准时制JIT生产在物流管理中的作用

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1、学号______________年级______________武汉大学本科毕业论文准时制（JIT）生产在物流管理中的作用院（系）名称：经济与管理学院专业名称：物流管理学生姓名：曾毅学号：指导教师：许明辉教授二○○九年三月目录中文摘要································································3Abstract·································································4前言······················

2、················································6一·JIT原理·················································································6（一）准时制JIT生产的概念及核心思想·····························6（二）准时制JIT生产的原理和优点·····································8（三）JIT技术······························

3、·······················································10二·JIT在物流管理中的运用····················································12（一）我国应如何实现准时制生产的策略·········································12（二）准时制JIT生产对现代物流管理产生的巨大作用·················14三·结束语·············································

4、·····································16参考文献·····················································17中文摘要首先让我们来观察一下现代企业利润的基本公式：“利润＝收入－成本”。其中，成本=固定成本+可变成本。企业在生产运作过程中要不断地降低成本提高利润，其主要是降低“可变成本”。竞争力是企业赢得市场的关键，而支撑企业强大竞争力的基础是质量最优，而总成本最小。在单件大批量生产的时代中，降低固定成本主要是依靠对单一品种产品生产的规模效应来实现的。那么降低可变成本，我

5、们则选择了准时制JIT生产方式。生产系统如果真的运行在准时制生产方式的状态下，它的库存就被减至最小程度，因此JIT又被简而言之称为：“零库存”管理。JIT生产哲学的核心是无情地消除浪费，即消除一切只增加产品的可变成本，而不向产品中增加附加价值的活动。企业在发展过程中推行JIT是很有必要的。随着社会经济和生产力的发展，市场由“供不应求”向“供过于求”转化，客户需求向多样发展，产品结构日趋复杂，制造业的生产方式也由少品质大批量向多品种小批量方式发展。这种传统的生产管理模式已不适应市场竞争的需要，产品的品种、零部件和原材料的种类等数量急剧增长。因此，制造业企业

6、就不能继续采用“以产品为中心”粗放的管理方法进行管理。JIT实现了离散制造业生产管理上的突破，实现了生产组织方式由“以产品为中心”向“以零部件为中心”的转变，实现了生产控制方式由“以调度为中心”向“以计划为中心”的转变。完成了离散制造业企业生产管理上的一场革命。关键词：零库存；准时制JIT；管理AbstractFirstofall,letuslookatmodernenterpriseprofitbasicformula:“profit=revenue-cost.”Amongthem,“thecost=fixedcosts+variablecosts”.

7、Operationofenterprisesintheproductionprocesstoreducecostscontinuallyimproveprofits,themainvariablecostsarelower.Thecompetitivenessofenterprisesarethekeytowinmarket,andstrongsupportenterprisecompetitivenessisbasedonthequalityofthebest,andthesmallesttotalcost.One-pieceatthetimeofma

8、ssproductiontoreducefixedcostsmainlydepe