ZS1105柴油机箱体制造工艺规程及铣夹具设计说明书.doc -- 8 元

毕业设计ZS1105柴油机箱体制造工艺规程及专用夹具设计（铣）ZS1105DIESELOILENGINRCASEBODYMANUFACTURETECHNOLOGICALPROCESS，MILLINGLATHEUNITCLAMPDESIGN学生姓名学院名称机电工程学院专业名称机械设计制造及其自动化指导教师2008年6月2日徐州工程学院毕业设计I摘要本课题进行ZS1105柴油机箱体零件精铣端面专用夹具设计，主要内容分为首先是对箱体零件工艺设计，在分析了ZS1105柴油机箱体的具体结构及技术要求的基础上，详细制定了两种箱体加工整体加工工艺路线，并比较其优劣选择最优的方案进行加工。根据各道工序的技术要求，选定各道工序的背吃刀量、进给量、切削速度以及所采用的机床、刀具、夹具等，确定各道工序的时间定额，从而绘制工艺过程卡片。然后对精铣前后端面专用夹具体进行设计，根据被加工零件的结构特点、加工内容的尺寸和精度要求，确定组合铣床的配置方案，对专机进行总体设计－三图一卡即为零件工序图、加工示意图、机床联系尺寸图和机床生产率计算卡的设计。其次绘制其装配图和相关的零件图。关键词工艺过程组合机床铣床夹具AbstractThistopiccarriesondesignwiththecombinedmillingmachineintheZS1105dieseloil徐州工程学院毕业设计IIenginrcasebody,themaincontentdividedintoFirst,aboutboxbodypartsprocessplanning,atthebaseofanalyzingtheZS1105dieseloilenginrcasebodysconcretestructureandthetechnologicalspecification.Iformulatedtwokindofboxbodyprocessingprocessrouteindetail,andcomparedthemtochoosethemostsuperiorprocessroutetocarryontheprocessing.Accordingtoeachproceduresspecification.Idesignatedthepenetrationofacuttingtool,thefeedquantity,thecuttingvelocityaswellas,thecuttingtool,thejigandsoon,whichdeterminethetimequota,andmaketheprocesscard.Second,aboutmodularmachinetooldesign,accordingtotheuniquefeatureofthecomponents,theprocessingcontentsizeandtheaccuracyrequirement,Ideterminedthatcombinedmillingmachinesdispositionplan,carriedonasystemdesignthreedrawingsandonecardnamelythecomponentsworkingprocedurechart,theprocessingschematicdrawing,thetoolrelationdimensionaldrawingandthetoolproductivitycomputationcarddesign.Third,Idrawledtheassemblydrawingsofhydraulicslideranddetaildrawings.KeywordsTechnologicalprocessModularmachinetoolSpecialmillingfixture徐州工程学院毕业设计I目录1绪论.........................................................................................................................................12ZS1105柴油机简介.................................................................................................................22.1概述.......................................................................................................................................22.2ZS1105柴油机箱体的作用.................................................................................................22.3ZS1105柴油机箱体的技术分析.........................................................................................23零件加工工艺.............................................................................................................................43.1概述........................................................................................................................................43.2工艺方案制定的基本原则及注意问题................................................................................43.2.1粗、精加工分开原则......................................................................................................43.2.2工序集中与分散的原则..................................................................................................43.2.3制定工艺方案应注意的其它问题..................................................................................53.3ZS1105柴油机的加工工艺路线编制.................................................................................63.3.1工艺路线的拟定.............................................................................................................63.3.2工艺路线的确定.............................................................................................................73.4ZS1105箱体切屑用量、加工余量、工时等计算............................................................113.4.1粗精铣上表面................................................................................................................113.4.2镗孔................................................................................................................................133.4.3钻、扩、铰孔................................................................................................................174专用夹具的设计.......................................................................................................................224.1机床夹具的作用.................................................................................................................224.2对夹具的要求.....................................................................................................................234.3箱体类零件定位基准的选择.............................................................................................234.4专用夹具的设计步骤..........................................................................................................244.4.1研究原始资料................................................................................................................244.4.2确定夹具的结构方案....................................................................................................244.3.3绘制夹具总装配图........................................................................................................244.3.4标注夹具总装配图上各部分尺寸和技术要求............................................................244.3.5标注零件编号及编制明细表........................................................................................254.3.6绘制夹具零件图............................................................................................................254.5夹具公差配合的制订.........................................................................................................254.5.1制订夹具公差与技术条件的依据................................................................................254.5.2制订夹具公差和技术条件的基本原则........................................................................254.5.3夹具公差的制订............................................................................................................25