已阅读5页,还剩10页未读, 继续免费阅读
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
附录附录1:英文原文Ultraprecisioprocessing,andultra-high-speedprocessingtechnologiesFirst,TechnicaloverviewSophisticated,ultra-precisionprocessingisarelativeconceptbutasageneralincreaseinthelevelofcraftsmanship,differentdivisionshavedifferentagelimits,butnostrictuniformstandards.Fromthecurrentlevelofmechanicalprocessingtechnologyandultraprecisionprocessingusuallyprocessingprecision0.3m,SurfaceroughnessRavalue0.03m.Hypervelocityprocessingtechnologyreferstothecutleryusedpaintmaterialsthroughgreatlyincreasedcuttingspeedandchintoimprovethematerialremovalrateofspeed,accuracyandProcessingprocessingqualitymodernprocessingtechnology.Hypervelocityscopeforcuttingspeedprocessingdifferentworkingmaterials,differentwaysanddifferentmachines.Currently,thegeneralview,ultrahighspeedmachiningofthecuttingspeedrangeofmaterials:aluminumalloyover1600m/min,castironfor1500m/min,ultraheat-300m/minnickelalloys,titaniumalloysto1501000m/min,fibrereinforcedplasticsfor20009000m/min.ThecuttingspeedrangeofalternativeprocessesforChexue7007000m/min,Xianxiao3006000m/min,drilling2001100m/min,grinding250m/sabove,andsoon.Ultrahighspeedprocessingtechnologiesinclude:ultrahighspeedmachiningandgrindingresearchmechanisms,hypervelocitymainmodulesmanufacturingtechnology,ultrahighspeedintothemodulemanufacturingtechnology,ultrahigh-speedprocessingwithcutleryandabrasivemanufacturingtechnology,ultrahighspeedprocessingonlineautomaticdetectionandcontroltechnologies.Ultraprecisionprocessingreferstothecurrentprocessingcomponentssizeprecisionthan0.1m,thesurfaceroughnessRa0.025m,andthemachinetoolsusedintheresolutionpositioningaccuracyandrepetitivethan0.01mprocessingtechnology,alsoknownastheAsianmicrometresprocessingtechnology,andistonano-classprocessingtechnologydevelopment.Ultraprecisionprocessingtechnologyinclude:ultraprecisionprocessingexperiment,ultraprecisionprocessingequipmentmanufacturingtechnologyresearch,toolsandRenmosuperprecisionprocessingtechnologyresearch,technologyandultra-precisionmeasurementerrorcompensationtechnologyresearch,ultraprecisionprocessingworkstudyenvironmentalconditions.Second,thecurrentsituationanddevelopmenttrend1)UltrahighspeedprocessingDevelopedultra-high-speedprocessingofindustrialresearchearlier,thehighlevel.Inthistechnology,inaleadingpositioninthecountrymainlyGermany,Japan,theUnitedStates,Italy.Inhypervelocityprocessingtechnology,theframematerialtoachieveultrahighspeedprocessingtoolistheprerequisiteandpreconditions,ultrahighspeedgrindingmachinetechnologyisamodernmethodofhypervelocityprocessingtechniques,andhigh-speeddigitalmachinetoolsandprocessingcenteristhekeytoachievingultra-high-speedprocessingequipment.Currently,cutlerymaterialsfromcarbonsteelandalloytoolsteel,thehigh-speedsteel,hardalloysteel,ceramicmaterials,thedevelopmentofartificialdiamondsandJujingdiamond(PCD),andJuJingcubicfeetDanhuapengDanhuapeng(CBN).Cuttingspeedisasinnovativematerialsandcutleryfromtheformer12m/minto1200m/minabove.AbrasiveWheelsmaterialsusedinthepastprimarilycorundumis,siliconcarbideis,theUnitedStatesG.Ecompaniesinthe1950s,syntheticdiamondssuccess,the1960swasthefirstsuccessCBN.1990sceramicorresincombinationagentsCBNgrindingwheel,diamondgrindingwheelspeedup125m/slines,someupto150m/sandsingle-levelelectroplatingCBNgrindingwheelto250m/s.Itwasfeltthatwiththenewcutlery(Saint),thecontinuousdevelopmentofmaterials,cuttingspeedtobedoubledeverydecade,theemergenceofsubsonicandsupersonicprocessingwillnotbetoofaroff.Inhypervelocitycuttingtechnology,developedin1976byaU.S.companyVoughtTaiwanhypervelocitymillingmachine,themaximumrotationalspeedof20000rpmreached.SpecialattentionistheFederalUniversityofproductionengineeringandmachinetoolsindustryDarmstadtInstitute(PTW)from1978beganasystematicstudyofhypervelocityalternativemechanismsforthevariousmetalsandnon-metallicmaterialsforhigh-speedmachiningtestsFederaldozensofenterprisesandorganizationsprovidedmorethan2,000millionDMinsupportofthestudy,sincethelate1980s,sincethecommercializationofemergingultra-high-speedmachiningmachinetools,super-high-speedmachinetoolsfromasinglesuperhigh-speedmillingmachineintohypervelocityvehiclesmillingmachine,drillingofhigh-speedmillingmachineandprocessingcentres.Switzerland,theUnitedKingdom,Japanhaslauncheditsultrahighspeedmachinetools.JapanHitachismartmachinesHG400IIImaximumrotationalspeedofthespeech-processingcenter3600040000r/min,workstationsrapidmobilespeed3640m/min.UsinglinearelectricalU.S.-basedhigh-speedprocessingHVM800Ingersollcompaniestomoveintothecenterfor60m/minspeed.Inhigh-speedandultra-high-speedgrindingtechnology,peopledevelopedhigh-speed,ultrahighspeedgrinding,deepreliefforgrindinginto,deepintothefastgrinding(HEDG),multi-piecegrindingwheelandmulti-grindingwheel-grinding,andmanyotherhigh-speedefficientgrinding,high-speedefficientgrindingtechnologyinthepast20yearshasbeenconsiderabledevelopmentandapplication.GermanyGuehringAutomationCompanyin1983createdthefirsttimetheworldsmostpowerful60kwTaiwanFirmCBNgrindingwheelgrinder,versusreach140160m/s.AGermanenjoyIndustrialUniversity,theUniversityofBremeninhigh-skillsresearchachievedworld-recognizedachievements,andactivelyinthealuminumalloy,titaniumalloys,nickelalloys,andotherdifficultforrecreationalmaterialsfortheefficientprocessingofdeepresearchskills.GermanBoschcompanyprocessingapplicationsCBNgrindingwheelspeedgrindingwheelChixingusinghypervelocitygrindingelectroplatingCBNgrindingwheeltoreplacetheoriginalrollteethandshavingteethprocessingtechniques,andmaterialsprocessing16MnCr5gearChixing,Vs=155m/sitsreach811mm3/mm.sQ,Germancompaniesusehigh-speedKappdeepprocessinglumbermillpartsShencao,workingmaterialsfor100Cr6bearingsteel,usingelectroplatingCBNgrindingwheel,reached300m/sversustheQ=140mm3/mm.s,grindingprocessing,theleaveswillquenchpumprotorsaZhuangjia10,ameticulousrotorshafts,grinding,herchintospeed1.2m/minaverageprocessingtimewithin10secondsofeachrotor,Caokuanaccuracyassuredintwo16ugm,agrindingwheelchain1,300working.Currently,theJapaneseindustryhas200m/spracticalgrindingpace,theUnitedStatesConneticutUniversitygrindingResearchCenter,1996itsintentionBamboohigh-speedgrinder,thegrindingwheelgrindingmaximumspeedof250m/s.2)UltraprecisionprocessingUltraprecisionprocessingtechnologyintheleadingpositioninternationallyinthecountriestheUnitedStates,BritainandJapan.Thesecountriesnotonlyultra-precisionprocessingtechnologysetstheoverallhighlevel,butalsoaveryhighdegreeofcommercialization.TheUnitedStatesisconductingthefirststudyultra-precisionprocessingtechnology,andsofaritsleadingpositionintheworldcountries.Backinthe1950s,becauseofspaceneedsinthedevelopmentofsophisticatedtechnology,theUnitedStatesdevelopedthefirstultra-precisionmachiningdiamondcutlerytechnologycalledSPDTtechnology(SinglePointDiamondTurning),ormicro-inchtechnology(1micro-inch=0.025m)andthedevelopmentofcorrespondingultra-precisionairbearingspindlemachinetools.Forprocessinglasernuclearfusionreflectionmirror,andtacticalmissilesandmannedspacecraftwithlargesphericalnon-sphericalparts,andsoon.IftheUnitedStatesLLLY-12factoriesandlaboratoriesinsupportoftheUnitedStatesDepartmentofEnergyinJuly1983successfullydevelopedlargeultra-precisiondiamondlatheDTM-3type,themachinetoolchainlargestparts2100mm,weight4500kglasernuclearfusionusingamirrorreflectionofthevariousmetals,usinginfrareddevicesspareparts,largecelestialtelescop
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 泰安市东平县卫生健康类事业单位招聘笔试真题2023
- 2022年青岛莱西市公立医院校园招聘考试试卷及答案解析
- 2022年来宾市委党校引进专业人才考试试卷及答案解析
- 2023年南宁市良庆区土地储备分中心招聘工作人员考试真题及答案
- 欧盟垃圾分类标准
- 2022年安阳市北关区人社局公益性岗位招聘考试试卷及答案解析
- 合肥市房屋买卖合同
- 2024年上海市安全员B证考试试题题库
- 关于目前大学生科研训练的调查
- 钢的热处理课件
- 百日咳医学PPT课件
- 烟台港10万吨级集装箱码头设计
- 一汽长春齿轮厂 CAS-525变速箱使用说明书
- 《金融衍生品》教案
- 过程控制答案1
- 鞋业底部(成型)操作规程及工艺标准
- 上交所期权投资者综合试卷考试及答案
- 中考百日誓师为梦想奋斗到最后家长会动态课堂授课PPT
- 直线与平面垂直的判定的评课记录
- 销售心理学读后感_读后感读书心得
- powerbuilder技术讲座(摘自计算机的世界报)
评论
0/150
提交评论