中英文翻译高速切削加工的发展及需求.doc中英文翻译高速切削加工的发展及需求.doc

收藏

编号:201311171036555476    类型:共享资源    大小:48.00KB    格式:DOC    上传时间:2013-11-17
  
5
关 键 词:
教育专区 外文翻译 精品文档 中英文翻
资源描述:
翻译部分英文原文High-speedmachininganddemandforthedevelopmentofHigh-speedmachiningiscontemporaryadvancedmanufacturingtechnologyanimportantcomponentofthehigh-efficiency,High-precisionandhighsurfacequality,andotherfeatures.ThisarticlepresentsthetechnicaldefinitionofthecurrentstateofdevelopmentofChina'sapplicationfieldsandthedemandsituation.High-speedmachiningisorientedtothe21stcenturyanewhigh-tech,high-efficiency,High-precisionandhighsurfacequalityasabasicfeature,intheautomobileindustry,aerospace,DieManufacturingandinstrumentationindustriesgainedincreasinglywidespreadapplication,andhasmadesignificanttechnicalandeconomicbenefits.contemporaryadvancedmanufacturingtechnologyanimportantcomponentpart.HSCistoachievehighefficiencyofthecoretechnologymanufacturers,intensiveprocessesandequipmentpackagedsothatithasahighproductionefficiency.Itcanbesaidthatthehigh-speedmachiningisanincreaseinthequantityofequipmentsignificantlyimproveprocessingefficiencyessentialtothetechnology.High-speedmachiningisthemajoradvantages:improveproductionefficiency,improveaccuracyandreducetheprocessingofcuttingresistance.Thehigh-speedmachiningofmeaning,atpresentthereisnouniformunderstanding,therearegenerallyseveralpointsasfollows:highcuttingspeed.usuallyfasterthanthatoftheirnormalcutting5-10times;machinetoolspindlespeedhigh,generallyspindlespeedin-20000r/minabove10,000forhigh-speedcutting;Feedathighvelocity,usually15-50m/minupto90m/min;Fordifferentcuttingmaterialsandthewiringusedthetoolmaterial,high-speedcuttingthemeaningisnotnecessarilythesame;Cuttingprocess,bladedthroughfrequency(ToothPassingFrequency)closertothe"machine-tool-Workpiece"systemthedominantnaturalfrequency(DominantNaturalFrequency),canbeconsideredtobehigh-speedcutting.Visibilityhigh-speedmachiningisacomprehensiveconcept.1992.Germany,theDarmstadtUniversityofTechnology,ProfessorH.Schulzinthe52thontheincreaseofhigh-speedcuttingfortheconceptandthescope,asshowninFigure1.Thinkdifferentcuttingtargets,showninthefigureofthetransitionarea(Transition),tobewhatiscommonlycalledthehigh-speedcutting,Thisisalsothetimeofmetalcuttingprocessrelatedtothetechnicalstaffarelookingforwardto,orisexpectedtoachievethecuttingspeed.High-speedmachiningofmachinetools,knivesandcuttingprocess,andotheraspectsspecificrequirements.Severalwerefromthefollowingaspects:high-speedmachiningtechnologydevelopmentstatusandtrends.Atthisstage,inordertoachievehigh-speedmachining,generalwiringwithhighflexibilityofhigh-speedCNCmachinetools,machiningcenters,Byusingadedicatedhigh-speedmilling,drilling.Theseequipmentincommonis:Wemustalsohavehigh-speedandhigh-speedspindlesystemfeedingsystem,Cuttingcanbeachievedinhigh-speedprocess.High-speedcuttingwiththetraditionalcuttingthebiggestdifferenceisthat"Machine-tool-workpiece"thedynamiccharacteristicsofcuttingperformanceisstrongerinfluence.Inthesystem,themachinespindlestiffness,griporform,alongknifeset,spindleBroach,torquetoolset,Performancehigh-speedimpactareimportantfactors.Inthehigh-speedcutting,materialremovalrate(MetalRemovalRate,MRR),unittimethatthematerialwasremovedvolume,usuallybasedonthe"machine-tool-workpiece"whetherProcessingSystem"chatter."Therefore,inordertosatisfythehigh-speedmachiningneeds,wemustfirstimprovethestaticanddynamicstiffnessofmachinespindleisparticularlythestiffnesscharacteristics.HSCreasonatthisstagetobesuccessful,averycrucialfactoristhedynamiccharacteristicsofthemasterandprocessingcapability.Inordertobetterdescribethemachinespindlestiffnesscharacteristicsoftheprojectpresentednewdimensionlessparameter-DNvalue,usedfortheevaluationofthemachinetoolspindlestructureonthehigh-speedmachiningofadaptability.DNvalueoftheso-called"axisdiameterperminutespeedwiththeproduct."ThenewlydevelopedspindlemachiningcenterDNvalueshavebeengreatoveronemillion.Toreducetheweightbearing,butalsowithanarrayofsteelproductsthantothemuchmorelightceramicballbearings;BearingLubricationmostimpressivemannermixedwithoillubricationmethods.Inthefieldofhigh-speedmachining.haveairbearingsandthedevelopmentofmagneticbearingsandmagneticbearingsandairbearingscombinedconstitutethemagneticgas/airmixingspindle.Feedthemachinesector,high-speedmachiningusedinthefeeddriveisusuallylargerlead,multiplehigh-speedballscrewandballarrayofsmall-diametersiliconnitride(Si3N4)ceramicball,toreduceitscentrifugalandgyroscopictorque;Byusinghollow-coolingtechnologytoreduceoperatingathighspeedballscrewastemperaturegeneratedbythefrictionbetweentheleadscrewandthermaldeformation.Inrecentyears,theuseoflinearmotor-drivenhigh-speedsystemofupto''SuchfeedsystemhasremovedthemotorfromworkstationstoSlideinthemiddleofallmechanicaltransmissionlinks,ImplementationofMachineToolFeedSystemofzerotransmission.Becausenolinearmotorrotatingcomponents,fromtheroleofcentrifugalforce,cangreatlyincreasethefeedrate.LinearMotorAnothermajoradvantageofthetripisunrestricted.Thelinearmotorisaverytimeforacontinuousmachineshopinpossessionofthebed.Resurfacingoftheverymeetingwhereaveryearlystagemovementcango,butthewholesystemofuptothestiffnesswithoutanyinfluence.Byusinghigh-speedscrew,orlinearmotorcangreatlyenhancemachinesystemofuptotherapidresponse.Themaximumaccelerationlinearmotorsupto2-10G(Gfortheaccelerationofgravity),thelargestfeedrateofupto60-200m/minorhigher.2002world-renownedShanghaiPudongmaglevtrainprojectofmaglevtracksteelprocessing,UsingtheShenyangMachineToolGroupHoldingsLimitedMcNairfriendshipcompanyproductionplantsintoextra-longhigh-speedsystemforlarge-scaleprocessingcentersachieve.Themachinefeedingsystemforthelinearguideandrackgeardrive,thelargesttablefeedrateof60m/min,Quicktripof100m/min,2gacceleration,maximumspeedspindle20000r/min,themainmotorpower80kW.X-axisdistanceofupto30m,25mcuttinglongmaglevtracksteelerrorislessthan0.15mm.MaglevtrainsforthesmoothcompletionoftheprojectprovidedastrongguaranteefortechnologyInaddition,thecampaignmachineperformancewillalsodirectlyaffecttheprocessingefficiencyandaccuracyofprocessing.Moldandthefreesurfaceofhigh-speedmachining,themainwiringwithsmallcutdeepintomethodsforprocessing.Machinerequirementsinthefeedrateconditions,shouldhavehigh-precisionpositioningfunctionsandhigh-precisioninterpolationfunction,especiallyhigh-precisionarcinterpolation.Arcprocessingistoadoptlegislationorthreadmillingcuttermoldormachiningparts,theessentialprocessingmethods.CuttingToolsToolMaterialdevelopmenthigh-speedcuttingandtechnologicaldevelopmentofthehistory,toolmaterialiscontinuousprogressofhistory.Therepresentationofhigh-speedcuttingtoolmaterialiscubicboronnitride(CBN).FaceMillingCutteruseofCBN,itscuttingspeedcanbeashighas5000m/min,mainlyforthegraycastironmachining.Polycrystallinediamond(PCD)hasbeendescribedasatoolofthe21stcenturytool,Itisparticularlyapplicabletothecuttingaluminumalloycontainingsilicamaterial,whichislightweightmetalmaterials,highstrength,widelyusedintheautomobile,motorcycleengine,electronicdevicesshell,thebase,andsoon.Atpresent,theuseofpolycrystallinediamondcutterFaceMillingalloy,5000m/minthecuttingspeedhasreachedapracticallevel.Inadditionceramictoolalsoappliestograyironofhigh-speedmachining;ToolCoating:CBNanddiamondcutter,despitegoodhigh-speedperformance,butthecostisrelativelyhigh.Usingthecoatingtechnologytomakecuttingtoolisthelowprice,withexcellentmechanicalproperties,whichcaneffectivelyreducethecost.Nowhigh-speedprocessingofmillingcutter,withmostofthewiringbetweentheTi-A1-Ncompositetechnologyforthewayofmulti-processing,Ifpresentinthenon-ferrousmetaloralloymaterialdrycutting,DLC(DiamondLikeCarbon)coatingonthecutterwasofgreatconcern.Itisexpectedthatthemarketoutlookisverysignificant;Toolclampingsystem:Toolclampingsystemtosupporthigh-speedcuttingisanimportanttechnology,Currentlythemostwidelyusedisatwo-facedtoolclampingsystem.Hasbeenformallyinvestedasacommoditymarketatthesameclampingtoolsystemare:HSK,KM,Bigplus.NC5,AHOsystems.Inthehigh-speedmachining,toolandfixturerotaryperformanceofthebalancenotonlyaffectstheprecisionmachiningandtoollife.itwillalsoaffectthelifeofmachinetools.So,thechoiceoftoolsystem,itshouldbeabalancedselectionofgoodproducts.ProcessParametersCuttingspeedofhigh-speedprocessingofconventionalshearvelocityofabout10times.Foreverytoothcutterfeedrateremainedbasicallyunchanged,toguaranteepartsmachiningprecision,surfacequalityanddurabilityofthetool,Feedvolumewillalsobeacorrespondingincreaseabout10times,reaching60m/min,Someevenashighas120m/min.Therefore,high-speedmachiningisusuallyprecludetheuseofhigh-speed,feedanddepthofcutsmallcuttingparameters.Duetothehigh-speedmachiningcuttingcushiontendtobesmall,theformationofverythinchiplight,Cuttingputtheheatawayquickly;Ifthewiringusinganewthermalstabilitybettertoolmaterialsandcoatings,Usingthedrycuttingprocessforhigh-speedmachiningistheidealtechnologyprogram.High-speedmachiningfieldofapplicationFlexibleefficientproductionlineToadapttotheneedsofnewmodels,autobodypanelmoldsandresin-preventionblocktheformingdie.mustshortentheproductioncycleandreducethecostofproductionand,therefore,wemustmakegreateffortstopromotetheproductionofhigh-speeddieintheprocess.SAICaffiliatedwiththecompanythat:Comparedtothepast,finishing,furtherprecision;thesametime,thesurfaceroughnessmustbemet,thebendingofprecision,thisshouldbesubjecttoappropriateintensivemanualprocessing.Duetotheextremelyhighcuttingspeed,andthelastfinishingprocesses,theprocessingcycleshouldbegreatlyreduced.Toplayformachiningcentersandboringandmillingmachiningcentercategoryrepresentedbythehigh-speedmachiningtechnologyandautomatictoolchangefunctionofdistinctionsPotentialtoimproveprocessingefficiency,theprocessingofcomplexpartsusedtobeconcentratedasmuchaspossiblethewiringprocess,thatisafixtureinachievingmultipleprocessescentralizedprocessinganddilutethetraditionalcars,milling,boring,Threadprocessingdifferentcuttingthelimitsoftechnology,equipmentandgivefullplaytothehigh-speedcuttingtoolfunction,NCiscurrentlyraisingmachineefficiencyandspeedupproductdevelopmentinaneffectiveway.Therefore,theproposedmulti-purposetoolofthenewrequirementscallforatooltocompletedifferentparts
  人人文库网所有资源均是用户自行上传分享,仅供网友学习交流,未经上传用户书面授权,请勿作他用。
关于本文
本文标题:中英文翻译高速切削加工的发展及需求.doc
链接地址:http://www.renrendoc.com/p-95476.html

当前资源信息

4.0
 
(2人评价)
浏览:46次
英文资料库上传于2013-11-17

官方联系方式

客服手机:17625900360   
2:不支持迅雷下载,请使用浏览器下载   
3:不支持QQ浏览器下载,请用其他浏览器   
4:下载后的文档和图纸-无水印   
5:文档经过压缩,下载后原文更清晰   

相关资源

  • Thomas_Calculus_13th(托马斯微积分 13版)Thomas_Calculus_13th(托马斯微积分 13版)
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊2016】借助于电缆驱动系统改进工业机器人的静态性-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊2016】借助于电缆驱动系统改进工业机器人的静态性-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊2016】借助于电缆驱动系统改进工业机器人的静态性-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊2016】借助于电缆驱动系统改进工业机器人的静态性-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】最小化模式下料问题科林麦克迪尔米德-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】最小化模式下料问题科林麦克迪尔米德-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】组合机床行业现状与发展思考-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】组合机床行业现状与发展思考-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】自行航水器真正自治-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】自行航水器真正自治-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】自行航水器真正自治-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】自行航水器真正自治-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】注塑模具的设计与热分析-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】注塑模具的设计与热分析-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】注塑模的单浇口优化-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】注塑模的单浇口优化-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】注塑模的单浇口优化-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】注塑模的单浇口优化-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】主轴平衡力和曲轴弯曲应力的研究-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】主轴平衡力和曲轴弯曲应力的研究-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】轴对称降落伞形状的研究-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】轴对称降落伞形状的研究-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】轴对称降落伞形状的研究-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】轴对称降落伞形状的研究-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】中国乘用车燃料经济性标准的组成和影响-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】中国乘用车燃料经济性标准的组成和影响-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】指垫和平面之间的动态交互作用:实验和分析-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】指垫和平面之间的动态交互作用:实验和分析-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】指垫和平面之间的动态交互作用:实验和分析-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】指垫和平面之间的动态交互作用:实验和分析-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】直线电机高速数控切断机的发展-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】直线电机高速数控切断机的发展-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】直线电机高速数控切断机的发展-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】直线电机高速数控切断机的发展-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】支持机床系统的面向对象设计-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】支持机床系统的面向对象设计-中文翻译
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】支持机床系统的面向对象设计-外文文献[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】支持机床系统的面向对象设计-外文文献
  • [机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】振动镗孔与振动钻孔的研究-中文翻译[机械模具数控自动化专业毕业设计外文文献及翻译]【期刊】振动镗孔与振动钻孔的研究-中文翻译
  • 精品推荐

    相关阅读

    人人文库
    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服客服 - 联系我们

    网站客服QQ:2846424093    人人文库上传用户QQ群:460291265   

    [email protected] 2016-2018  renrendoc.com 网站版权所有   南天在线技术支持

    经营许可证编号:苏ICP备12009002号-5