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外文翻译--浅谈机械加工生产线发展状况.doc

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外文翻译--浅谈机械加工生产线发展状况.doc

中国地质大学长城学院本科毕业设计外文翻译系别工程技术系专业机械设计制造及其自动化姓名学号2012年3月22日OnthedevelopmentofmachiningproductionlineABSTRACTThemachiningproductionlineattherhythmoftime,flexibilityandprogress,machiningaccuracy,integratedautomation,reliabilityandutilizationareasofprogressanddevelopmentaredescribed.Anditsfuturedevelopmenttrendsareanalyzedandlookingforwardto.KeywordsFlexibleautomationmachiningaccuracy20yearsbeginningfromthetwentiethcentury,withtheautomobile,bearings,smallmotorsandsewingmachinesandotherindustrialdevelopment,machinerymanufacturingautomaticproductionlinebegantoappear,firstappearedthatthecombinationofmachineautomaticproductionline.Mechanicalprocessingandmanufacturing,therecasting,forging,stamping,heattreatment,welding,machiningandmechanicalassemblyautomatedline,alsoincludingthedifferenttypesofprocesses,suchastheblankmanufacturing,processing,assembling,testingandpackaginganintegratedautomaticlines.Automaticproductionlineofproductsshouldbelargeenoughtoyieldproductdesignandprocessshouldbeadvanced,stable,reliable,andthelongperiodoftimeremainsbasicallyunchanged.Inalarge,alargenumberofautomaticproductionlinecanimprovelaborproductivity,stability,andimproveproductquality,improveworkingconditions,reducingtheproductionarea,lowerproductioncosts,shortenproductioncycletoensuretheproductionofbalanced,therehasbeenasignificanteconomicbenefits.1,machiningproductionlinedevelopmentofInautomobiles,tractors,internalcombustionenginesandcompressorsandmanyotherareasofindustrialproduction,combinationmachinetoolproductionlineisstillthehighvolumemachinerytoachieveefficient,highqualityandeconomicalproductionandprocessingofkeyequipment,butalsoanirreplaceablekeyprocessingequipment.Isforthecombinationofmachinetoolproductionlinetoillustratetheprocessingofdomesticmachineryproductionlinedevelopment.Modernportfolioofmachinetoolproductionlineasthemechanicalandelectricalintegrationofproduct,whichisthecontrol,drive,measure,monitor,toolsandmechanicalcomponentsofacomprehensivereflectionoftechnologiessuchas.Chinastraditionalcombinationofmachinetoolsautomaticproductionlinemainlyusesthemechanical,electrical,gas,hydrauliccontrol,inrecentyearswiththenumericalcontroltechnology,electronicstechnology,computertechnology,thedevelopmentofcombinedmachinetoolmechanicalstructureandcontrolsystemshavealsoundergoneenormouschanges.1.Beatthetimebefurtherreduced.Theearlyproductionlinetoachieveashortbeat,oftentobeusedorsetsidebysideduplextwoway.Nowmainlybyshorteningthebasictimeandauxiliarytimetoachieve.Themainwaytoshortenthebasictimeistheintroductionofnewmaterialsandnoveltoolknives,inorderbyimprovingthecuttingspeedandfeedratetoshortenthebasictime.Shortentheleadtimeisshorter,includingauxiliarypartsdelivery,processingandrapidintroductionofthemoduleandprocessingmoduleisconvertedtoworkbythefastforwardtotheknifecutintotheworkpiece,afterenteringthetimespent.Atpresent,theaccompanyinghighspeedconveyorclampsarecommonlyusedinelectrohydraulicproportionalvalvecontrol,orcycloiddrivenconveyordevice.2.Flexiblerapidprogress.Theemergenceofnumericalcontrolmachinetoolportfolio,notonlycompletelychangedtherelaycircuitfromthepastthatacombinationofmachinetoolcontrolsystems,butalsosothatthemechanicalstructureofmodularmachinetoolcomponentsaswellascommonstandardshasoccurredorisundergoingtremendouschange.Thetraditionalsenseofthecombinationofmachinetoolrigidityautomaticlineandproductionline,alsohasacertainamountofflexibility.CNCmachiningmodulesfromthecombinationofflexiblemachinetoolsandflexibleautomaticlines,andchangethroughtheapplicationofnumericalproceduresforautomatictoolchanging,autoreplacementofmultiaxleboxandchangetheprocessingoftravel,workcycle,cuttingparametersandprocessinglocations,inordertomeetthechangingvarietiesprocessing.CoordinateprocessingmoduleconsistsofasinglestationCNCslidingandspindlecomponentsormultiaxle,includingformultiaxlecomponent.PairsofcoordinateprocessingmoduleconsistsofCNCCrossSlideandcompositionofspindlecomponents,suchasCNCmillingmodulepairsofcoordinates.Multiaxismachiningmoduleisanotherimportantmodule,mainlyforprocessingboxandchuckworkpiecesflexiblecombinationofmachinetoolsandflexibleautomaticlines.Typeofmodulehasavarietyofdifferentstructuralforms,butbasicallycanbedividedintoautomaticprocessingmoduleforboxtypemultiaxis,multiaxisturretprocessingmoduleandmultiaxismachiningmodulesRotaryTable.WrapBoxmodulescanbespecificallysetupbecauseofthemultiaxleboxtostorelargelibrariesofmultiaxle,itcanbeusedtoprocessmoredifferentkindsofartifacts.TheRotaryTableturretandmultiaxismachiningmodules,duetotheturretheadandturningthetabletoallowalimitednumberofinstalledmultiaxle,sothisprocesscanonlyachievealimitedvarietyofmoduleprocessing.InadditiontothevarietyofCNCmachiningmodules,therobotandservodrivenmachinetoolsandjigsisalsoaflexiblecombinationofflexibleautomaticlinesareimportantcomponents.Particularlyintheflexibleautomaticline,isnowmorewidespreaduseofanemptyshelfgantryrobotautomaticloadingandunloadingofworkpieces,forworkpiecetransferbitsorflip.Forthehandlingofdifferentworkpiecescanbeautomaticlinesidegripperlibraryinordertoachievetheautomaticgripperchange.Fixtureisequippedwithservodrives,toadapttodifferentworkpieceethnicautomaticworkpiececlamping.3.Increasingmachiningaccuracy.Inordertomeetusersworkpiecemachiningaccuracyofthehighdemand,inadditiontofurtherenhancethespindleparts,boringbar,fixturesincludingtheboringmodetheaccuracyofanewspecialtooltooptimizemachiningprocessesusingtoolsizemeasurementandcontrolsystemandcontrolofmachinetoolandThethermaldeformationoftheworkpieceandaseriesofmeasures,thepresent,thehollowtapershanktoolsHSK,andtheprocessofstatisticalqualitycontrolSPCapplicationhasbecometheautomaticlinetoenhanceandmonitorthemachiningaccuracyofanewandimportanttechnicalmeans.ToolisahollowtapershankradialconeandaxialfacePositioningoftheinnovativetwowaytool,itsadvantagesarehighbendingstiffness,torsionalstiffnessandhighrepeatability.SPCisbasedonprocesscapabilityformonitoringthequalityofworkpiecemachiningmethods.Atpresent,theautomaticlineofsuchqualityassurancesystemsbeingusedmoreandmoreoftheentireproductionprocessforcontinuousmonitoringofprocessingquality.4.Reliabilityandefficiencycontinuetoimproveandimprove.Toimproveprocessreliability,availabilityandqualityofworkpieces,usingtheprocessofmonitoringequipmenttoitsconstituentfunctions,processesandworkpiecequalitycontrol,inordertoquicklyidentifyfaultsandrapidfaultdiagnosisandearlywarningprocessdeviation,sothatoperatorsandmaintenancepersonneltointerveneinatimelymannerinordertoshortenthedebugcycle

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