打印机装配生产线平衡分析与改善

本科毕业设计（论文）打印机装配生产线平衡分析与改善学院机电工程学院专业工业工程年级班别XXXXxXxxxXXxxXX学号xxxxxxxxxx学生姓名xxxxxxxxxx指导教师xxxxxx年月打印机装配生产线平衡分析与改善机电工程学院摘要装配生产线是一种高效率、高产值的作业方式，对于提高装配质量和效率以及降低生产成本等具有极其重要的意义，目前在很多工业行业都有着很广泛的应用。在设计和管理装配生产线的过程中，一个至关重要的问题就是装配生产线的平衡问题。装配生产线的平衡及改善，对于企业提高综合竞争力有着十分重要的意义。生产线的平衡和改善能够改善作业方法和秩序，消除工位瓶颈，提高作业效率；加快物流速度，减少生产周期；同时，它还能稳定产品质量，提高员工的工作积极性。此次实习的捷普集团(JabilGroup)是一家著名的美资企业，为全球知名电子合约制造服务商(EMS)之一。根据公司的安排，此次实习的项目为了解决斑马（Zebra）事业部ZMx系列打印机装配生产线部分工位的WIP（WorkInProcess，在制品）数量较高，平衡率较低的问题。首先，了解该打印机的工艺流程，划分作业单元；其次，从时间研究入手，测量现场作业时间，通过分析各工位时间差异，找出瓶颈工位并尝试运用方法研究相关工具对瓶颈工位进行改善；最后，分别应用基础IE的方法和借助仿真软件plantsimulation对生产线各个作业单元进行重新排列，提高装配线平衡率，分析两种不同方法在实际的生产线改善活动中应用。关键词：装配生产线，生产线平衡，WIP，瓶颈工位，方法研究，PlantSimulation注：本设计（论文）题目来源于捷普电子（广州）有限公司企业内部项目。AbstractAssemblinglineisamodeofoperationofhigh-efficiencyandhigh-value.Itplaysasignificantroleinimprovingtheassemblyquality,workefficiencyanddecreasingthecostofproduction.Nowadaysitiswidelyusedinmanyindustries.Intheprocessofdesigningandmanagingtheassemblingline,thebalancingproblemoftheassemblylineiscrucial.Itisofgreatsignificancetobalanceandimprovetheassemblinglineforimprovingenterprisescompetitiveness.Balancingandimprovingtheproductionlineconducivetogoodoperatingmethodsandorderliness.Ithelpstoeliminatethebottleneckstation,improvetheworkefficiency,speedupthelogisticsspeedandreducetheproductioncycle.Meanwhile,itenablestostabletheproductqualityandimprovestaffmotivation.IworkedasaninterninJabilGroup,aworld-renownedUS-fundedenterprisesofelectroniccontractmanufacturingservices.Accordingtothecompany'sarrangements,ourinternshipaimstosolveproblemsofthehighernumberofpartofthestationWIP(WorkinProcessProducts)andthelowbalancingrateofassemblylineofZMxseriesprinterinZebraworkcell.Firstofall,beacquaintedwiththeprocessflowoftheprintersanddivideoperatingunit.Secondly,startingfromthestudyoftime,andmeasuringsiteoperatingtime.FindoutthebottleneckworkstationbymeansofanalyzingtemporaldifferenceofeachstationandthentrytoimprovingthebottleneckworkstationbyusingthetoolsofMethodStudy.Finally,rearrangetheoperationunitsoftheassemblylinerespectivelybythebasicIEandthesoftwareofplantsimulation,inordertoimprovethebalanceratiooftheassemblyline,analysistheapplicationoftwodifferentmethodsinactualproductionlineimprovementactivities.Keywords：Assemblyline,Linebalance,WIP,Bottleneckworkstation,Methodstudy,PlantSimulation目录1绪论........................................................................................................................................11.1题目背景及目的..........................................................................................................11.2国内外研究状况..........................................................................................................21.3题目研究的目标和内容..............................................................................................31.3.1题目研究目标...................................................................................................31.3.2题目研究内容...................................................................................................31.4技术路线......................................................................................................................42ZMx系列打印机装配生产线现状分析................................................................................62.1项目背景......................................................................................................................62.2装配生产线平衡问题的理论基础.............................................................................72.2.1装配生产线平衡问题的定义...........................................................................72.2.2装配线的改善原则...........................................................................................82.3工艺流程分析.............................................................................................................82.4时间研究.....................................................................................................................92.5分析瓶颈工位...........................................................................................................152.5.1基础工业工程中的方法研究.........................................................................152.5.2分析过程及结果.............................................................................................162.6本章小结....................................................................................................................173改善方案的制定及评价.......................................................................................................183.1运用基础IE方法改善装配线.................................................................................183.1.1基础IE在改善生产线平衡方面的研究.......................................................183.1.2应用基础IE方法制定改善方案...................................................................193.2运用仿真软件PlantSimulation改善装配线...........................................................243.2.1PlantSimulation仿真软件在改善生产线平衡方面的研究........................243.2.2应用PlantSimulation仿真软件制定改善方案..........................................253.3改善前后各方案评价与分析...........