欢迎来到人人文库网! | 帮助中心 人人文库renrendoc.com美如初恋!
人人文库网
首页 人人文库网 > 资源分类 > DOC文档下载

外文翻译--微孔的加工方法.doc

  • 资源大小:52.50KB        全文页数:9页
  • 资源格式: DOC        下载权限:游客/注册会员/VIP会员    下载费用:5
游客快捷下载 游客一键下载
会员登录下载
下载资源需要5

邮箱/手机号:
您支付成功后,系统会自动为您创建此邮箱/手机号的账号,密码跟您输入的邮箱/手机号一致,以方便您下次登录下载和查看订单。注:支付完成后需要自己下载文件,并不会自动发送文件哦!

支付方式: 微信支付    支付宝   
验证码:   换一换

友情提示
2、本站资源不支持迅雷下载,请使用浏览器直接下载(不支持QQ浏览器)
3、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰   

外文翻译--微孔的加工方法.doc

英语翻译OPTIONSFORMICROHOLEMAKINGASINTHEMACROSCALEMACHININGWORLD,HOLEMAKINGISONEOFTHEMOSTIFNOTTHEMOSTFREQUENTLYPERFORMEDOPERATIONSFORMICROMACHININGMANYOPTIONSEXISTFORHOWTHOSEHOLESARECREATEDEACHHASITSADVANTAGESANDLIMITATIONS,DEPENDINGONTHEREQUIREDHOLEDIAMETERANDDEPTH,WORKPIECEMATERIALANDEQUIPMENTREQUIREMENTSTHISARTICLECOVERSHOLEMAKINGWITHTHROUGHCOOLANTDRILLSANDTHOSEWITHOUTCOOLANTHOLES,PLUNGEMILLING,MICRODRILLINGUSINGSINKEREDMSANDLASERDRILLINGHELPFULHOLESGETTINGCOOLANTTOTHEDRILLTIPWHILETHETOOLISCUTTINGHELPSREDUCETHEAMOUNTOFHEATATTHETOOL/WORKPIECEINTERFACEANDEVACUATECHIPSREGARDLESSOFHOLEDIAMETERBUTTHROUGHCOOLANTCAPABILITYISESPECIALLYHELPFULWHENDEEPHOLEMICRODRILLINGBECAUSETHETOOLSAREDELICATEANDPRONETOFAILUREWHENEXPERIENCINGRECUTTINGOFCHIPS,CHIPPACKINGANDTOOMUCHEXPOSURETOCARBIDE’SWORSTENEMYHEATWHENAPPLYINGFLOODCOOLANT,THEDRILLITSELFBLOCKSACCESSTOTHECUTTINGACTION“SOMEWHEREABOUT3TO5DIAMETERSDEEP,THECOOLANTHASTROUBLEGETTINGDOWNTOTHETIP,”SAIDJEFFDAVIS,VICEPRESIDENTOFENGINEERINGFORHARVEYTOOLCO,ROWLEY,MASS“ITBECOMESWISETOUSEACOOLANTFEDDRILLATTHATPOINT”TOPREVENTTHOSETINYCOOLANTHOLESFROMBECOMINGCLOGGEDWITHDEBRIS,DAVISALSORECOMMENDSA5ΜMORFINERCOOLANTFILTERANOTHERRECOMMENDATIONISTOMACHINEAPILOT,ORGUIDE,HOLETOPREVENTTHETOOLFROMWANDERINGONTOPOFTHEWORKPIECEANDAIDINPRODUCINGASTRAIGHTHOLEWHENAPPLYINGAPILOTDRILL,IT’SIMPORTANTTOSELECTONEWITHANINCLUDEDANGLEONITSPOINTTHAT’SEQUALTOORLARGERTHANTHEINCLUDEDANGLEONTHETHROUGHCOOLANTDRILLTHATFOLLOWSTHEPILOTDRILL’SDIAMETERSHOULDALSOBESLIGHTLYLARGERFOREXAMPLE,IFTHEPILOTDRILLHASA120INCLUDEDANGLEANDASMALLERDIAMETERTHANATHROUGHCOOLANTDRILLWITHA140INCLUDEDANGLE,“THENYOU’RECATCHINGTHECOOLANTFEDDRILL’SCORNERSANDKNOCKINGTHOSECORNERSOFF,”DAVISSAID,WHICHDAMAGESTHEDRILLLUBRICIOUSCHILLTOFURTHERAIDCHIPEVACUATION,DAVISRECOMMENDSAPPLYINGANOILBASEDMETALWORKINGFLUIDINSTEADOFAWATERBASEDCOOLANTBECAUSEOILPROVIDESGREATERLUBRICITYBUTIFASHOPPREFERSUSINGCOOLANT,THEFLUIDSHOULDINCLUDEEPEXTREMEPRESSUREADDITIVESTOINCREASELUBRICITYANDMINIMIZEFOAMING“IFYOU’VEGOTALOTOFFOAM,”DAVISNOTED,“THECHIPSAREN’TBEINGPULLEDOUTTHEWAYTHEYARESUPPOSEDTOBE”HEADDEDTHATANOTHERWAYTOENHANCEATOOL’SSLIPPERINESSWHILEEXTENDINGITSLIFEISWITHACOATING,SUCHASTITANIUMALUMINUMNITRIDETIALNHASAHIGHHARDNESSANDISANEFFECTIVECOATINGFORREDUCINGHEAT’SIMPACTWHENDRILLINGDIFFICULTTOMACHINEMATERIALS,LIKESTAINLESSSTEELDAVIDBURTON,GENERALMANAGEROFPERFORMANCEMICROTOOL,JANESVILLE,WIS,DISAGREESWITHTHEIDEAOFCOATINGMICROTOOLSONTHESMALLERENDOFTHESPECTRUM“COATINGSONTOOLSBELOW0020TYPICALLYHAVEAEFFECTONEVERYMACHININGASPECT,FROMTHEQUALITYOFTHEINITIALCUTTOTOOLLIFE,”HESAIDTHAT’SBECAUSECOATINGSARENOTTHINENOUGHANDNEGATIVELYALTERTHERAKEANDRELIEFANGLESWHENAPPLIEDTOTINYTOOLSHOWEVER,WORKCONTINUESONTHEDEVELOPMENTOFTHINNERCOATINGS,ANDBURTONINDICATEDTHATPERFORMANCEMICROTOOL,WHICHPRODUCESMICROENDMILLSANDMICROROUTERSANDRESELLSMICRODRILLS,ISWORKINGONAPROJECTWITHOTHERSTOCREATEASUBMICRONTHICKNESSCOATING“WE’REPROBABLY6MONTHSTO1YEARFROMTESTINGITINTHEMARKET,”BURTONSAIDTHEMICRODRILLSPERFORMANCEOFFERSAREBASICALLYCIRCUITBOARDDRILLS,WHICHAREALSOEFFECTIVEFORCUTTINGMETALALLTHETOOLSAREWITHOUTTHROUGHCOOLANTCAPABILITY“IHADACUSTOMERDRILLA0004DIAHOLEINSTAINLESSSTEEL,ANDHEWASAMAZEDHECOULDDOITWITHACIRCUITBOARDDRILL,”BURTONNOTED,ADDINGTHATPECKINGANDRUNNINGATAHIGHSPINDLESPEEDINCREASETHEDRILL’SEFFECTIVENESSTHEREQUIREMENTSFORHOWFASTMICROTOOLSSHOULDROTATEDEPENDONTHETYPEOFCNCMACHINESASHOPUSESANDTHETOOLDIAMETER,WITHHIGHERSPEEDSNEEDEDASTHEDIAMETERDECREASESNOTETHEEQUATIONFORCUTTINGSPEEDISSFMTOOLDIAMETER026SPINDLESPEEDALTHOUGHRELATIVELYLOW,5,000RPMHASBEENUSEDSUCCESSFULLYBYBURTON’SCUSTOMERS“WERECOMMENDTHATOURCUSTOMERSFINDTHEHIGHESTRPMATTHELOWESTPOSSIBLEVIBRATIONTHESWEETSPOT,”HESAIDINADDITIONTOMINIMIZINGVIBRATION,ACONSTANTANDADEQUATECHIPLOADISREQUIREDTOPENETRATETHEWORKPIECEWHILEEXERTINGLOWCUTTINGFORCESANDTOALLOWTHERAKETOREMOVETHEAPPROPRIATEAMOUNTOFMATERIALIFTHEDRILLTAKESTOOLIGHTOFACHIPLOAD,THERAKEFACEWEARSQUICKLY,BECOMINGNEGATIVE,ANDTOOLLIFESUFFERSTHISAPPROACHISOFTENTEMPTINGWHENDRILLINGWITHDELICATETOOLS“IFTHECUSTOMERDECIDESHEWANTSTOBABYTHETOOL,HETAKESALIGHTERCHIPLOAD,”BURTONSAID,“AND,TYPICALLY,THECUTTINGEDGEWEARSMUCHQUICKERANDCREATESARADIUSWHERETHELANDOFTHATRADIUSISWIDERTHANTHECHIPBEINGCUTHEENDSUPUSINGITASAGRINDINGTOOL,TRYINGTOBUMPMATERIALAWAY”FORTOOLSLARGERTHAN0001,BURTONCONSIDERSACHIPLOADUNDER00001TOBE“BABYING”IFTHEDRILLDOESN’TSNAP,PREMATUREWEARCANRESULTINABYSMALTOOLLIFETOOMUCHRUNOUTCANALSOBEDESTRUCTIVE,BUTHOWMUCHISDEBATABLEBURTONPOINTEDOUTTHATPERFORMANCEPURPOSELYDESIGNEDAMACHINETOHAVE00003TIRTOCONDUCTINHOUSE,WORSTCASEMILLINGSCENARIOS,ADDINGTHATTHECOMPANYISSTILLABLETOMILLA0004WIDESLOT“DAYINANDDAYOUT”HEADDED“YOUWOULDTHINKWITH00003RUNOUTANDACHIPLOADATHIRDTHAT,SAY,00001TO000015,THETOOLWOULDBREAKIMMEDIATELYBECAUSEONEFLUTEWOULDBETAKINGTHEENTIRELOADANDTHENTHEBACKENDOFTHEFLUTEWOULDBERUBBINGWHENDRILLING,HEINDICATEDTHATUPTO00003TIRSHOULDBEACCEPTABLEBECAUSEONCETHEDRILLISINSIDETHEHOLE,THECUTTINGEDGESONTHEENDOFTHEDRILLCONTINUECUTTINGWHILETHENONCUTTINGLANDSONTHEODGUIDETHETOOLINTHESAMEDIRECTIONMINIMIZINGRUNOUTBECOMESMORECRITICALASTHEDEPTHTODIAMETERRATIOINCREASESTHISISBECAUSETHEFLUTESARENOTABLETOABSORBASMUCHDEFLECTIONASTHEYBECOMEMOREENGAGEDINTHEWORKPIECEULTIMATELY,TOOMUCHRUNOUTCAUSESTHETOOLSHANKTOORBITAROUNDTHETOOL’SCENTERWHILETHETOOLTIPISHELDSTEADY,CREATINGASTRESSPOINTWHERETHETOOLWILLEVENTUALLYBREAKTAKINGAPLUNGEALTHOUGHSTANDARDMICRODRILLSAREN’TGENERALLYAVAILABLEBELOW0002,MICROENDMILLSTHATCANBEUSEDTO“PLUNGE”AHOLEARE“WHENPEOPLEWANTTODRILLSMALLERTHANTHAT,THEYUSEOURENDMILLSANDAREPRETTYSUCCESSFUL,”BURTONSAIDHOWEVER,THEHOLESCAN’TBEVERYDEEPBECAUSETHETOOLSDON’THAVELONGASPECT,ORDEPTHTODIAMETER,RATIOSTHEREFORE,A0001DIAENDMILLMIGHTBEABLETOONLYMAKEAHOLEUPTO0020DEEPWHEREASADRILLOFTHESAMESIZECANGODEEPERBECAUSEIT’SDESIGNEDTOPLACETHELOADONITSTIPWHENDRILLINGTHISTRANSFERSTHEPRESSUREINTOTHESHANK,WHICHABSORBSITPERFORMANCEOFFERSENDMILLSASSMALLAS5MICRONS00002BUTISN’TKEENONINCREASINGTHATLINE’SSALES“WHENPEOPLETRYTOBUYTHEM,IVERYSERIOUSLYTRYTOTALKTHEMOUTOFITBECAUSEWEDON’TLIKEMAKINGTHEM,”BURTONSAIDPARTOFTHEPROBLEMWITHTOOLSTHATSMALLISTHECARBIDEGRAINSNOTONLYNEEDTOBESUBMICRONINSIZEBUTTHESIZEALSONEEDSTOBECONSISTENT,INPARTBECAUSESUCHATOOLISCOMPRISEDOFFEWERGRAINS“THE5MICRONENDMILLPROBABLYHAS10GRAINSHOLDINGTHECORETOGETHER,”BURTONNOTEDHEADDEDTHATHEHASSEENCARBIDEPOWDERCONTAINING02MICRONGRAINS,WHICHISABOUTHALFTHESIZEOFWHAT’SCOMMERCIALLYAVAILABLE,BUTITALSOCONTAINEDGRAINSMEASURING05AND06MICRONS“ITJUSTDOESN’THELPTOHAVESMALLGRAINSIFTHEY’RENOTUNIFORM”MICROVAPORIZATIONELECTRICALDISCHARGEMACHININGUSINGASINKEREDMISANOTHERMICROHOLEMAKINGOPTIONUNLIKE,WHICHCREATESMALLHOLESFORTHREADINGWIRETHROUGHTHEWORKPIECEWHENWIREEDMING,EDMSFORPRODUCINGMICROHOLESARECONSIDERABLYMORESOPHISTICATED,ACCURATEAND,OFCOURSE,EXPENSIVEFORPRODUCINGDEEPMICROHOLES,ATUBEISAPPLIEDASTHEELECTRODEFOREDMINGSMALLERBUTSHALLOWERHOLES,ASOLIDELECTRODEWIRE,ORROD,ISNEEDED“WETRYTOUSETUBESASMUCHASPOSSIBLE,”SAIDJEFFKISZONAS,EDMPRODUCTMANAGERFORMAKINOINC,AUBURNHILLS,MICH“BUTATSOMEPOINT,NOBODYCANMAKEATUBEBELOWACERTAINDIAMETER”HEADDEDTHATSOMESUPPLIERSOFFERTUBESDOWNTO0003INDIAMETERFORMAKINGHOLESASSMALLAS00038THETUBE’SFLUSHINGHOLEENABLESCREATINGAHOLEWITHAHIGHDEPTHTODIAMETERRATIOANDHELPSTOEVACUATEDEBRISFROMTHEBOTTOMOFTHEHOLEDURINGMACHININGONESUCHSINKEREDMFORPRODUCINGHOLESASSMALLAS00004411ΜMISMAKINO’SEDGE2SINKEREDMWITHFINEHOLEOPTIONINJAPAN,THEMACHINETOOLBUILDERRECENTLYPRODUCEDEIGHTSUCHHOLESIN2MINUTESAND40SECONDSTHROUGH00010THICKTUNGSTENCARBIDEATTHEHOLELOCATIONSTHEELECTRODEWASASILVERTUNGSTENROD000020SMALLERTHANTHEHOLEBEINGPRODUCED,TOACCOUNTFORSPARKACTIVITYINTHEGAPWHENPRODUCINGHOLESOFTHATSIZE,THEROD,WHILEROTATING,ISDRESSEDWITHACHARGEDEDMWIRETHEFINEHOLEOPTIONINCLUDESAWAXISATTACHMENT,WHICHHOLDSADIETHATGUIDESTHEELECTRODE,ASWELLASAMIDDLEGUIDETHATPREVENTSTHEELECTRODEFROMBENDINGORWOBBLINGASITSPINSWITHTHEOPTION,THEMACHINEISAPPROPRIATEFORDRILLINGHOLEDIAMETERSLESSTHAN0005ANOTHERSINKEREDMFORMICROHOLEMAKINGISTHEMITSUBISHIVA10WITHAFINEHOLEJIGATTACHMENTTOCHUCKANDGUIDETHEFINEWIREAPPLIEDTOERODETHEMATERIAL“IT’SASTANDARDEDM,BUTWITHTHATATTACHMENTFIXEDTOTHEMACHINE,WECANDOMICROHOLEDRILLING,”SAIDDENNISPOWDERLY,SINKEREDMPRODUCTMANAGERFORMCMACHINERYSYSTEMSINC,WOODDALE,ILLHEADDEDTHATTHEEDMISALSOABLETOCREATEHOLESDOWNTO00004USINGAWIRETHATROTATESATUPTO2,000RPMTURNTOTUNGSTENEDMINGISTYPICALLYASLOWPROCESS,ANDTHATHOLDSTRUEWHENITISUSEDFORMICRODRILLING“IT’SVERYSLOW,ANDTHEFINERTHEDETAILS,THESLOWERITIS,”SAID,PRESIDENTANDOWNEROFOPTIMATIONINCTHEMIDVALE,UTAH,COMPANYBUILDSPROFILE24PIEZOEDMSFORMICROMACHININGANDALSOPERFORMSMICROEDMINGONACONTRACTMACHININGBASISOPTIMATIONPRODUCESTUNGSTENELECTRODESUSINGAREVERSEPOLARITYPROCESSANDMACHINESANDRINGLAPSTHEMTOASSMALLAS10ΜMINDIAMETERWITH0000020ROUNDNESSAPPLYINGA10ΜMDIAELECTRODEPRODUCESAHOLEABOUT105ΜMTO11ΜMINDIAMETER,ANDBLINDHOLESAREPOSSIBLEWITHTHECOMPANY’SEDMTHEWORKPIECETHICKNESSFORTHESMALLESTHOLESISUPTO0002,ANDTHETHICKNESSCANBEUPTO004FOR50ΜMHOLESMUCHOFTHECOMPANY’SCONTRACTWORK,WHICHISPROVIDEDATASHOPRATEOF100PERHOUR,INVOLVESMICROEDMINGEXOTICMETALS,SUCHASGOLDANDPLATINUMFORXRAYAPERTURES,STAINLESSSTEELFOROPTICALAPPLICATIONSANDTANTALUMANDTUNGSTENFORTHEELECTRONBEAMINDUSTRYJORGENSENSAIDTHEPROCESSISALSOAPPROPRIATEFOREDMINGPARTIALLYELECTRICALLYCONDUCTIVEMATERIALS,SUCHASPCD“THECUSTOMERNORMALLYDOESN’TCARETOOMUCHABOUTTHECOST,”HESAID“WE’VEDONEPARTSWHERETHERE’S20,000INTIMEANDMATERIALINVOLVED,ANDYOUCANPUTTHEWHOLEJOBUNDERNEATHAFINGERNAILWEDOEVERYTHINGUNDERAMICROSCOPE”LIGHTCUTTINGBESIDESCARBIDEANDTUNGSTEN,LIGHTISANAPPROPRIATE“TOOLMATERIAL”FORMICROHOLEMAKINGALTHOUGHMOSTLASERDRILLINGISPERFORMEDINTHEINFRAREDSPECTRUM,THESUPERPULSETECHNOLOGYFROMTHEEXONECO,IRWIN,PA,USESAGREENLASERBEAM,SAIDRANDYGILMORE,THECOMPANY’SDIRECTOROFLASERTECHNOLOGIESUNLIKETHEFEMTOSECONDVARIETY,SUPERPULSEISANANOSECONDLASER,

注意事项

本文(外文翻译--微孔的加工方法.doc)为本站会员(英文资料库)主动上传,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,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知人人文库网(发送邮件至[email protected]或直接QQ联系客服),我们立即给予删除!

温馨提示:如果因为网速或其他原因下载失败请重新下载,重复下载不扣分。

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