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本科生毕业设计（需要图纸及其他附件请与我联系QQ：877764463）题目活塞杆与活塞环零件机械加工工艺规程及工艺装备设计学生姓名学号专业班级指导老师2012年05月01日I摘要本设计通过对内燃机活塞杆与活塞环加工技术的发展、活塞杆与活塞环的工作环境以及结构特点的分析，确定了活塞杆与活塞环的加工过程及加工方案，其中主要包括：生产纲领和生产类型的确定、材料的选择、毛坯的制造方法、机械加工余量的确定、加工工序切削用量的确定、工序时间的计算以及工序卡片的编制。最后，进一步选择并设计了两套典型的机床夹具，活塞杆夹具设计和铣开口夹具设计，其中注意包括：定位方案与夹紧方案的设计，两套夹具的工作原理以及在夹具设计过程中应该注意的问题。经过设计分析和论证，活塞杆与活塞环的工艺设计与夹具设计是可行的。关键词:活塞杆与活塞环、工序、机床夹具、机械加工、定位夹紧IIAbstractInthepaperofthisgraduationdesign,throughthecomprehensiveexplicationofthedevelopingofpistonrodandpistonringsoftheinternal-combustionenginewhosethemachiningtechnologies,thesurroundingofworkingandtheanalysisofstructuralofthepiston.Itisconformedthetechnologyprocessandarrangeforprocessofpiston.Itmainlyincludes:produceoutlineandproducetypetobeconformed,choosematerial,themanufacturingmethodofthesemi-finishedproductofmaterial,theamountofremainingofmachineprocesstobeconformed,thecuttingdosageofeachprocesstobeconformed,calculatedtheworkingproceduretimeanddrawuptheworkingprocedure.Lastly,choseanddesignedtwosetsoftypicalmodeloftoolmachinetongs,designedthetongsofdrillingtheoilboreanddesignedthetongsofthemillingmachine.Itmainlyincludesamongthem:thepositionprojectandthepressuredesigned,thecetdegreedesign,twosetsofwrokprinciplesoftongsesandwhatwemustbenotice2intheprocessofthepistondesign.Throughtheanalysisandargument,theartsandcraftsdesignandthetongsdesignofthepistonisviable.KeywordsKeywordsKeywordsKeywords：Pistonrodandpistonrings;porkingprocedure;machinetongs;manufactureprocesstechnology;locatingandclamping目录绪论.................................................................................................................................................1第1章活塞杆工艺分析及生产类型的确定...............................................................................21.1零件的功用、结构及特点...............................................................................................21.2零件的技术要求..............................................................................................................21.3零件的工艺性...................................................................................................................21.4确定零件的生产类型......................................................................................................3第2章活塞杆毛坯的选择...........................................................................................................42.1确定毛坯的类型..............................................................................................................42.2确定毛坯的制造方法和尺寸及其公差..........................................................................42.3确定毛坯技术要求..........................................................................................................42.4绘制零件-毛坯合图.........................................................................................................4第3章基准的选择.......................................................................................................................6第4章拟定机械加工工艺路线...................................................................................................74.1确定各表面的加工方法..................................................................................................74.2拟定工艺路线..................................................................................................................74.3工艺路线方案的分析与比较........................................................................................10第5章确定机械加工余量、工序尺寸及公差.........................................................................11第6章选择机床及工艺设备...................................................................................................126.1选择机床........................................................................................................................126.2选择刀具........................................................................................................................126.3选择夹具........................................................................................................................126.4选择量具........................................................................................................................13第7章确定切削用量及基本工时.............................................................................................147.1工序1数据计算............................................................................................................147.2工序4数据计算............................................................................................................167.3工序8数据计算............................................................................................................177.4工序9数据计算............................................................................................................187.5工序10数据计算..........................................................................................................207.6工序10数据计算............................................................................................................227.7工序11数据计算........................................................................