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角形轴承箱座钻6-Φ孔组合机床设计说明书.doc

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角形轴承箱座钻6-Φ孔组合机床设计说明书.doc

摘要本论文主要说明组合机床设计的基本过程及要求。组合机床是按高度集中原则设计的,即在一台机床上可以同时完成同一种工序或多种不同工序的加工。组合机床发展于工业生产末期,与传统的机床相比组合机床具有许多优点效率高、精度高、成本低。它由床身、立柱、工作台、及电源一些基本部件及一些特殊部件,根据不同的工件加工所需而设计的。在组合机床上可以完成很多工序,但就目前使用的大多数组合机床来说,则主要用于平面加工和孔加工两大类工序。本论文则说明钻孔组合机床的设计,用来完成钻6个孔的工序。主要内容包括三大部分(1)、制定工艺方案通过了解被加工零件的加工特点、精度和技术要求、定位夹紧情况、生产效率及机床的结构特点等,确定在组合机床上完成的工艺内容及加工方法,并绘制被加工零件工序图。(2)、组合机床的总体设计确定机床各部件之间的相互关系,选择通用部件和刀具的导向,计算切削用量及机床生产效率、绘制机床的尺寸联系图及加工示意图。(3)、组合机床部件设计包括专用主轴箱的设计,传动布局合理,轴与齿轮之间不发生干涉,保证传动的平稳性和精确性。专用主轴设计、轴承的选用及电机的选择等。另外,本文还涉及到大量的设计和计算,包括(1)、主轴的选择和传动布置,以保证加工过程中被加工零件的精度(2)、传动轴的设计和校核,以保证轴的刚度(3)、齿轮的设计、计算,对齿轮的强度和刚度进行校核关键字组合机床设计过程功能AbstractThisthesismainlyelucidatesthebasicprocessandrequirementsthatdesignofthecombinationmachine.Combinationmachineisdesignedaccordingthefundamental,whichhighlycentralized,or,morecorrectlyitcanprocessoneworkingprocedureormoredifferentworkingproceduresatonetime.Combinationmachinewasdevelopedintheendofindustrialproductioncomparedwithtraditionalmachinecombinationmachinehasmanyadvantages,suchashighefficiency,highaccuracyandlowcost.Itiscomposedofsomegeneralparts,suchasbed,column,workable,powerunit,andsomespecialpartsdesignedaccordingtodifferentworkpiecemachiningneed.Theprefaceofalotofworkscanbecompletedonthecombinationmachine,butinregardtothemajoritycurrentusageofcombinationmachine,thenandprimarilyusedfortheflatsurfacetoprocessandtheboretoprocesstwobigworkpreface.Thisthesisexpoundsalltheprocessesofthethrottlevaluestappetsholeoftheaircylinderboringthecombinationdrillthatdesignsofmachine.Themainpartincluding1FormulatingtechnologicalplanWe,velearnedthecharacteristicofthepartdesigned,accuracyandspecification,locatingandfixing,productivityandmachiningstructurebythepractice.Thenthetechnologicaloperationandworkordercanbedeterminedwhichcanbefinishedincombinationmachine.2Combinationmachineframedesigndeterminestheinterrelationofthedifferentpartinthemachiningtool,selectgeneralpartsandtooloriented.Thencomputecutfeedandproductivityfinallydrawasketchmapofthemachine.3Combinationmachinepartsdesignincludingheadstock、propertransmissionlayout、shaftandgearmovefreelywithoutinterferencewhichensurethestabilityandaccuracyduringtransmission,thendesigndedicatedselectbearingsandengineetc.Hydraulicpressureequipmentdesignslipwayandlocatingandfixingdeviceareallcontrolledbyhydraulicpressure.Itadoptsmanyhydrauliccontrolvalves,whichensurethestability,circulationandaccuracy.Inaddition,thethesisdealswithamountofcomponentsdevicesandcalculations,including1Choiceofthemainshaftanddisposaloftransmission,bydoingsotoensuretheaccuracyofcomponentsmachininginprocesswhenthemainshaftrotating2Thedeviceandcheckofthetransmissionshaft,soitcanassuretherigidityoftheshaftisallowable3Geardeviceandcalculations,checktheperformanceinthestrengthandrigidityofitDesignofthehydraulicpressuresystemHydraulicsystemisaveryimportantpartinthisthesis,thedesignofitherenotonlyensurestherationality、equipoiseandstabilityofthemotionoftheslipway,butalsosatisfiestherequirementsofdifferentworkenvironment.Somanydesignandcalculationsaboutitinthisthesissuggeststhissystemfullymeetstherequirementsindesignandworktheoretically.Keywordscombinationmachinedesignprocessfunction目录摘要..............................................................iAbstract...........................................................ii1绪论........................................................11.1、组合机床及其特点.............................................................................................................11.2、组合机床的分类.................................................................................................................21.2.1、具有固定式夹具的单工位组合机床...............................................................................21.2.2、具有移动式夹具的(多工位)组合机床..........................................................................21.2.3、转塔主轴箱式组合机床.................................................................................................31.3、组合机床的工艺范围..........................................................................................................31.4、组合机床的发展方向..........................................................................................................32组合机床总体设计...................................................62.1、组合机床工艺方案的制定...................................................................................................62.1.1、加工工序和加工精度......................................................................................................62.1.2、被加工零件特点.............................................................................................................62.1.3、工件生产方式.................................................................................................................62.1.4、工艺基面的分析.............................................................................................................72.1.5、加工工艺的分析.............................................................................................................72.1.6、切削用量的选择.............................................................................................................72.2、组合机床切削用量的选择...................................................................................................82.3、组合机床配置型式的选择...................................................................................................82.4、组合机床的总体方案设计...................................................................................................82.4.1、被加工零件工序图..........................................................................................................92.4.2、加工示意图....................................................................................................................92.4.3、组合机床生产率的计算..................................................................................................132.4.4、机床总体联系尺寸图的绘制...........................................................................................153主轴箱部件设计.....................................................173.1主轴箱设计.........................................................................................................................173.2主轴设计............................................................................................................................173.3齿轮布置............................................................................................................................173.3.1、传动比分配................................................................................................................173.3.2、计算转速和转向............................................................................................................193.4、绘制传动系统图................................................................................................................204主轴箱零件校核.....................................................214.1、齿轮的校核.....................................................................................................................214.1.1、材料、热处理、许用应力..............................................................................................214.1.2、验算齿面接触疲劳强度..................................................................................................214.1.3验算齿根弯曲疲劳强度....................................................................................................22

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