单级减速机箱体和箱盖工艺工装设计说明书[带图纸].doc -- 45 元

编号无锡太湖学院毕业设计（论文）题目单级减速机箱体和箱盖工艺工装设计信机系机械工程及自动化专业学号学生姓名指导教师（职称高工）（职称）2013年5月25日无锡太湖学院本科毕业设计（论文）诚信承诺书本人郑重声明所呈交的毕业设计（论文）单级减速机箱体和箱盖工艺工装设计是本人在导师的指导下独立进行研究所取得的成果，其内容除了在毕业设计（论文）中特别加以标注引用，表示致谢的内容外，本毕业设计（论文）不包含任何其他个人、集体已发表或撰写的成果作品。班级机械94学号0923199作者姓名2013年5月25日II摘要本次设计内容涉及了机械制造工艺及机床夹具设计、金属切削机床、公差配合与测量等多方面的知识。减速箱体加工工艺规程及其镗Φ100孔的夹具设计是包括零件加工的工艺设计、工序设计以及专用夹具的设计三部分。在工艺设计中要首先对零件进行分析，了解零件的工艺再设计出毛坯的结构，并选择好零件的加工基准，设计出零件的工艺路线接着对零件各个工步的工序进行尺寸计算，关键是决定出各个工序的工艺装备及切削用量然后进行专用夹具的设计，选择设计出夹具的各个组成部件，如定位元件、夹紧元件、引导元件、夹具体与机床的连接部件以及其它部件计算出夹具定位时产生的定位误差，分析夹具结构的合理性与不足之处，并在以后设计中注意改进。关键词工艺,工序切削用量夹紧定位误差IVAbstractThisdesigncontenthasinvolvedthemachinemanufacturecraftandtheenginebedjigdesign,themetalcuttingmachinetool,thecommondifferencecoordinationandthesurveyandsoonthevariousknowledge.Thereductiongearboxbodycomponentstechnologicalprocessanditstheprocessing￠140holejigdesignisincludesthecomponentsprocessingthetechnologicaldesign,theworkingproceduredesignaswellastheunitclampdesignthreeparts.Mustfirstcarryontheanalysisinthetechnologicaldesigntothecomponents,understoodthecomponentsthecraftredesignsthesemifinishedmaterialsthestructure,andchoosesthegoodcomponentstheprocessingdatum,designsthecomponentsthecraftrouteAfterthatiscarryingonthesizecomputationtoacomponentseachlaborstepofworkingprocedure,thekeyisdecideseachworkingprocedurethecraftequipmentandthecuttingspecificationsThencarriesontheunitclampthedesign,thechoicedesignsthejigeachcompositionpart,likelocatesthepart,clampsthepart,guidesthepart,toclampconcreteandtheenginebedconnectionpartaswellasotherpartsPositionerrorwhichcalculatesthejiglocateswhenproduces,analyzesthejigstructuretherationalityandthedeficiency,andwilldesigninlaterpaysattentiontotheimprovement.KeywordsThecrafttheworkingprocedurethecuttingspecificationsclampthelocalizationtheerror.VI目录摘要......................................................................................................................................IIAbstract.................................................................................................................................IV1绪论.....................................................................................................................................11.1本课题的研究内容和意义...........................................................................................11.2国内外的发展概况.......................................................................................................11.3本课题应达到的要求...................................................................................................22工艺设计.............................................................................................................................32.1零件的分析..................................................................................................................32.1.1零件的作用...............................................................................................................32.1.2零件的工艺分析...................................................................................................42.2毛坯的选择与设计及基准的确定.............................................................................52.2.1确定毛坯制造形式...............................................................................................52.2.2基准的选择...........................................................................................................52.3加工顺序的安排..........................................................................................................62.4工艺规程的设计..........................................................................................................62.4.1制定工艺路线.......................................................................................................62.4.2工艺方案的比较与分析.......................................................................................73工序设计.............................................................................................................................93.1工序尺寸与毛坯尺寸加工余量的确定...................................................................93.2设备和工艺装备的选择............................................................................................113.3确定切削用量及时间定额........................................................................................124夹具设计...........................................................................................................................214.1夹具的设计................................................................................................................214.2夹紧装置的组成及设计要求....................................................................................214.2.1动力源.................................................................................................................214.2.2中间传力机构.....................................................................................................224.2.3夹紧元件.............................................................................................................224.3切削力与夹紧力的计算............................................................................................224.3.1切削力的计算.....................................................................................................224.3.2夹紧力的确定.....................................................................................................234.4定位误差的分析与计算............................................................................................244.5夹具设计与操作的简要说明....................................................................................254.5.1夹具体方式的确定.............................................................................................254.5.2夹具的精度要求.....................................................................................................254.5.3夹具使用注意事项、保养及维护.........................................................................25