变速箱壳体销孔精镗组合机床设计

ee变速箱壳体销孔精镗组合机床设计ee（ee）指导教师：ee[摘要]组合机床是以通用部件为基础，配以按工件特定形状和加工工艺设计的专用部件和夹具，组成的半自动或自动专用机床，它能够实现大批量零件的加工，快捷高效，生产效率高。本组合机床要求能实现先铰后精镗加工。在了解组合机床的基本配置方式、工艺范围、加工精度、经济分析及发展趋势以及组合机床的各通用部件的功能及特点的基础上，进行组合机床的总体设计和多轴箱设计。具体要做的工作是分析影响组合机床方案制定的主要因素，制定工艺，确定机床配置型式及结构方案，完成“三图一卡”，并在“三图一卡”的基础上绘制多轴箱设计的原始依据图，选择主轴结构型式，设计传动方案并绘制销孔精镗加工时的多轴箱装配总图。本机床完全能满足加工要求，与传统的机床相比，本机床具有自动化程度高，生产率高，精度高等优点。[关键词]组合机床；变速箱；三图一卡；多轴箱eeCombinationMachineToolDesignofThePinHolesFineBoringofGearboxHousingee(ee)Tutor：eeAbstract：Thecombinationofmachinetoolsbasedongenericcomponents,togetherwithadedicatedpartsandfixturesofaparticularworkpieceshapeandtheprocessdesign,formsasemi-automaticorautomaticspecialpurposemachine,itcanrealizetheprocessingoflargequantitiesofpartsandhasthecharactersoffastefficientandhighproductionefficiency.Thiscombinationmachineisabletoachievetheprocessingoffineboringafterthefirsthinge.Basingonunderstandingthebasicconfigurationofthemachinetool,therangeoftechnology,precisionmachining,economicanalysisanddevelopmenttrends,aswellasthefunctionandcharacteristicsofcommoncomponentsofthemachinetool,weperformtheoveralldesignofthemachinetoolandthedesignofmulti-axlebox.Thefirstspecificworktodoistoanalyzethemainfactorstoaffectthemachinetoolprogramming,thesecondoneistoformulatetheprocess,thethirdistothedeterminetheconfigurationtypeandstructureofprogramsofthemachine,andthefouroneistocompletethethreefigureandonecard.Finally,theworkneededtobedoneistodrawtheoriginalbasisforFigofthemulti-axleboxdesignonthebasisofcompletingthethreefigureandonecard,selectthetypeofspindlestructure,anddesignthetransmissionschemeanddrawthegeneraldrawingofthemulti-axleboxassemblywhenthefineboringprocessingtheofpinholeisgoing.Thismachineisfullycapabletomeettheprocessingrequirements.Comparedwiththetraditionalmachine,thismachinehastheadvantagesofhighdegreeofautomation,highproductivityandhighprecision.eeKeywords：CombinationMachine,Transmission,ThreeFigureandOneCard,Multi-axleboxeeI目录1.绪论.....................................................................................................................................11.1引言..............................................................................................................................11.2毕业设计的意义..........................................................................................................11.3组合机床概述..............................................................................................................21.3.1组合机床的特点.................................................................................................21.3.2组合机床的应用范围.........................................................................................31.3.3组合机床技术装备现状与发展趋势.................................................................31.3.4设计机床的基本要求.........................................................................................42.零件的分析.......................................................................................错误!未定义书签。2.1生产类型的确定..........................................................................错误!未定义书签。2.2零件的作用..................................................................................错误!未定义书签。2.3零件的工艺特点..........................................................................错误!未定义书签。2.4孔系加工方案选择......................................................................错误!未定义书签。2.5工艺过程设计中应考虑的主要问题..........................................错误!未定义书签。2.5.1加工阶段的划分.................................................................错误!未定义书签。2.5.2工序的合理组合.................................................................错误!未定义书签。2.5.3加工工序的安排.................................................................错误!未定义书签。2.6变速箱箱体加工定位的基准选择..............................................错误!未定义书签。2.6.1粗基准的选择.....................................................................错误!未定义书签。2.6.2精基准的选择.....................................................................错误!未定义书签。2.7变速箱体的机械加工余量和毛坯尺寸的确定..........................错误!未定义书签。3.变速箱壳体加工工艺规程设计..................................................错误!未定义书签。3.1基面的选择..................................................................................错误!未定义书签。3.2工艺路线的制定..........................................................................错误!未定义书签。4.组合机床总体设计.........................................................................错误!未定义书签。eeII4.1制定工艺方案..............................................................................错误!未定义书签。4.2组合机床配置形式的选择..........................................................错误!未定义书签。4.3“三图一卡”的编制..................................................................错误!未定义书签。4.3.1被加工零件工序图.............................................................错误!未定义书签。4.3.2加工示意图.........................................................................错误!未定义书签。4.3.3机床联系尺寸图.................................................................错误!未定义书签。4.3.4生产率计算卡.....................................................................错误!未定义书签。4.4多轴箱的设计.........................................................