%8D%95级减速器箱体的加工工艺及夹具设计

1专业综合能力考核（论文）题目：单级减速箱体机械加工工艺规程制定所属系部：机械装备系专业班级：机械一班学生姓名：王泽龙指导教师：张元军2011年9月1日2摘要零件的工艺编制，在机械加工中占有非常重要的地位，零件工艺编制得合不合理，这直接关系到零件最终能否达到质量要求；夹具大的设计也是不可缺少的一部分，它关系到能否提高其加工效率的问题。因此这两者在机械加工行业中是至关重要的环节。这次毕业设计，我设计的课题是一级减速器箱体加工工艺及夹具设计。该箱体零件结构较复杂，体积较大。为了提高生产效率和降低劳动强度，我设计了一款钻床夹具。本次设计说明书分为三个部分:第一部分分为机械加工工艺规程的慨述，其中有工艺的组成，工艺规程的内容和作用，机械制造工艺规程的类型及格式，工艺规程的原理和步骤的介绍。同时对定位基准的选择，工艺路线中表面加工方法的选择、加工方法的划分、加工顺序的安排起到详细的介绍。第二部分分为机床夹具的设计，讲解机床夹具的慨述，机床夹具的组成分类。工件定位的原理，定位方法和定位元件对定位误差的计算，对夹紧装置的组成和夹紧力的三要素作了分析。在这次工艺中表面在铣床上加工；直径为40mm以上的在镗床上加工；其余的孔因分部面多我专门设计了一款夹具便于在钻床上加工（有图）。第三部分主要介绍对零件加工的全过程，我这次设计主要选的是铸件对毛坯的确定；加工中的时效性处理；工艺路线的编制和工序卡片的编写（有卡片工艺、工序全过程）在加工完后的检验。在加工中夹具的设计和计算，对机械简明手册的翻阅对国标对准。在加工完后绘制出了完美的零件图（A0号）。在经济时效下保证了加工满足的要求。关键词：箱体、工艺、工序、夹具、绘制零件图图3英文摘要ThePartoftheprocess,inmachiningplaysaveryimportantpartoftheprocess,preparetoreasonableorunreasonable,itdirectlyrelatestothequalityrequirementscouldeventuallyparts,Thedesignoffixtureisbig,itistheindispensablepartinrelationtoimprovetheefficiencyofthemachining.Sobothinmechanicalprocessingindustryiscruciallink.Thegraduationdesign,thetopicisIdesignprocessandfixtureenclosurereducerdesign.Thiscaseiscomplex,volumepartsstructure.Inordertoimproveproductionefficiencyandreducelaborintensity,Idesignadrillfixture.Thedesignmanualisdividedintothreeparts:Thefirstpartisdividedintothemachiningprocessofthespecifiedprocedures,includingprocess,contentsandprocedure,mechanicalmanufacturingprocessplanningofthetypeandtheprocedureformats,introducedtheprincipleandprocedure.Thechoiceofthelocatingdatum,theprocessrouteintheselectionofsurfacemachiningmethod,themethodofprocessing,sequencearrangementhasbeenintroducedindetail.Thesecondpartofthemachinetool'sfixturedesign,theinterpretationofthemachinetool'sfixtureofthemachinetool'sfixturesoup,compositionandclassification.Theprinciple,workpiecepositionandorientationofthepositioningerrorcalculationofcomponentsforclampingdevice,thecompositionandclampingforceofthreefactorsareanalyzed.Intheprocessofsurfaceinmillingmachining,Diameter40mminformoreboring,TherestoftheholefordivisionIfaceafixturedesignedtofacilitatetheprocessing(inpress).Thethirdpartmainlyintroducestheprocessofpartsprocessing,Ichoosethedesignismainlyfordeterminationofcastingbillet,Thetimeliness,Thepreparationprocessrouteandtheprocessofwriting(card),wholeprocesscardtechnologyinprocessingafterinspection.Intheprocessofcalculation,andfixturedesignofmechanicalconcisemanualofgbthroughalignment.Inprocessingaftermappedtheperfectpartsgraph(A0).Underthelimitationintheeconomicguaranteeprocessingrequest.Keywords:process,process,anddrawingpartsfixture,toto4目录摘要·································································································1英文摘要···························································································3第一章绪论·······················································································51.1制造工业的重要性·····································································51.2减速器的运用、类型··································································61.3工艺设计的重要性···································································71.4减速器箱体设计工艺的重要性······················································8第二章对零件的工艺分析······································································82.1工艺过程的组成······································································82.2工艺规程的内容与作用······························································92.2.1工艺规程是指导生产的技术文件··········································92.2.2工艺规程是生产组织和管理工作的基本依据···························92.2.3工艺规程是新建或扩建工厂或车间的基本资料························102.3机械制造工艺规程的类型及格式·················································102.3.1机械加工工艺过程卡·························································102.3.2机械加工工序卡·····························································102.4工艺规程设计的原则与步骤······················································132.4.1工艺规程设计必须具备下列原始资料····································132.4.2在掌握上述资料的基础上，机械加工工艺规程设计主要有以下几步····························································································142.5毛坯的确定···········································································142.6基准的概念和分类及定位基准的选择··········································162.6.1设计基准·········································································162.6.2零件的工艺设计和基准·······················································16第三章零件的工艺过程········································································183.1零件制造工艺规程设计原理······················································183.1.1零件制造工艺规程的格式和作用···········································183.1.2本章主要说明本次设计的一级减速器箱体工艺及夹具设计·········193.2零件制造工艺规程设计时的内容和步骤·······································193.2.1根据以上资料，设计工艺规程的内容和程序如下·····················203.3零件的结构工艺性····································································213.4毛坯的选用···········································································223.5加工的路线拟订·······································································223.5.1加工过程的开始阶段·····················