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机械毕业设计 说明书 论文

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目录摘要....................................................................................................................................................1ABSTRACT...................................................................................................................21绪论.......................................................................................................................31.1论文选题的背景及意义................................................................................31.2国内外研究现状............................................................................................31.3研究思路及主要内容....................................................................................42生产线平衡的基本原理........................................................................52.1生产线平衡的目的和原则............................................................................52.2生产线平衡要满足的约束条件.....................................................................52.3影响生产线平衡的主要因素........................................................................52.3.1标准作业指导书的制定对生产线平衡的影响...............................52.3.2排线对生产线平衡的影响...............................................................62.3.3员工责任心对生产线平衡的影响...................................................62.4生产线平衡问题的方法研究........................................................................62.4.1程序分析...........................................................................................62.4.2操作分析.........................................................................................72.4.3动作分析...........................................................................................93F公司整车流水线的情况概述.....................................................................103.1F公司概况...................................................................................................103.2F公司装配生产线平衡的情况概述...........................................................103.2.1F公司电动车生产流程现状...........................................................103.2.2F公司电动车生产中存在的关键问题...........................................114F公司整车流水线平衡的解决方案..........................................................124.1F公司整车流水线平衡整改方案...............................................................124.2整车线与吊挂方案对比..............................................................................145结论...................................................................................................................16致谢............................................................................................错误!未定义书签。参考文献...................................................................................................................171摘要在流水线生产模式下，如何提高生产线的整体效率，减少工序间的在制品，决定着企业设备、人员的利用率，并限制着生产线生产能力的提高。目前，生产线平衡问题已被认为是生产流程设计及作业标准化过程中关键的一环。制造业的生产多半是在进行细分化之后的多工序流水化连续作业生产线，此时由于分工作业，简化了作业难度，使作业熟练度提高了，从而提高了作业效率。然而，经过了这样的作业细分化之后，各工序的作业时间在理论上、实践上都不能完全相同，这就势必存在工序间作业负荷不均衡的现象。F公司在装配生产线中就经常遇到这种问题，作业负荷不平衡给F公司造成无谓的工时损失，还造成大量的工序堆积，严重时会造成生产线的中止。在市场需求越来越大的今天，F公司研究改善生产线就迫在眉睫。实现均衡生产不仅有利于保证设备、人力的负荷平衡，从而提高设备和工时的利用率，同时还有利于建立正常的生产秩序和管理秩序，保证产品质量和安全生产；均衡生产还有利于节约物资消耗，减少在制品数量，加速流动资金周转，从而降低生产成本。在均衡生产的基础上实现“单元生产(cellproduction)”，也提高了企业生产应变能力，对应市场变化实现柔性生产系统；通过平衡生产线，可以综合运用程序分析、操作分析、动作分析、Layout分析、时间分析等传统工业工程手法，能提高全员的综合素质。总之，现代生产企业在大力提倡现代工业工程应用时，不要忽视基础工业工程方法在企业中所起的事半功倍的作用。关键词：生产线平衡作业效率现代工业工程作业细分2AbstractInthemodeoflineproduction,howtoimprovetheoverallefficiencyoftheproductionlineandhowtoreduceworkintheprocessofproductiondecidetheenterpriseequipmentandpersonnelutilization，andatthesametimeitwillrestricttheimprovementofproductionline'sproductioncapacity.Atpresent,theproblemofproductionlinebalancinghasbeenfoundtobethekeylinkofproductionprocessdesignandstandardizationofworkprocess.Manufacturingproductionismostlymultipleprocessflowcontinuousproductionlineafterfinedifferentiation.Atthistime,workdivisionsimplifytheoperationdifficulty,improveoperationskillandimproveoperationefficiency.However,afterthisworkdifferentiation,theprocessesoftheoperationtimecannotbethesameexactlybothintheoryandpractice,andthiswillleadtoworkingloadimbalanceintheprocess.Itwillcausenotonlydeadweightloss,butalsoalotofprocessheap,andsometimesevencauselinetermination.Fulfillingbalancedproductioninenterprisesisconducivenotonlytoensuretheequipment,manpowerloadbalanceinordertoimprovetheutilizationrateofequipmentandworkinghours,butalsotoestablishnormalproductionorderandmanagementordertoensureproductqualityandsafeproduction.Atthesametime,balancedproductioncanhelpsavetheconsumptionofmaterials,reduceworkinprocess,acceleratecapitalturnoverandasaresultreduceproductioncost.Achievingcellproductiononthebasisofbalancedproductioncanimproveenterprises'productionstraincapacity,andrealizetheflexibilityofproductionsystemincorrespondingofchangesinthemarket.Throughthebalanceofproductionline,wecanmakecomprehensiveuseoftraditionalindustrialengineeringofprogramanalysis,operationanalysis,motionanalysis,Layanalysisandtimeanalysistoimprovetheoverallqualityofallworkers..Allinall,whenmodernproductionenterprisesenergeticallyadvocatemodernindustrialengineering,theyshouldnotignoremultipliereffectfundamentalindustrialengineeringmethodsbringinenterprises.KeyWords:LineBalancing,Operatingefficiency,ModernIndustrialEngineering,Operatingsegments

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