会员注册 | 登录 | 微信快捷登录 支付宝快捷登录 QQ登录 微博登录 | 帮助中心 人人文库renrendoc.com美如初恋!
站内搜索 百度文库

热门搜索: 直缝焊接机 矿井提升机 循环球式转向器图纸 机器人手爪发展史 管道机器人dwg 动平衡试验台设计

   首页 人人文库网 > 资源分类 > PDF文档下载

外文翻译--安装有许多对角裂缝零件的一维纵扭振动转换器 英文版.pdf

  • 资源星级:
  • 资源大小:320.16KB   全文页数:5页
  • 资源格式: PDF        下载权限:注册会员/VIP会员
您还没有登陆,请先登录。登陆后即可下载此文档。
  合作网站登录: 微信快捷登录 支付宝快捷登录   QQ登录   微博登录
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--安装有许多对角裂缝零件的一维纵扭振动转换器 英文版.pdf

Ultrasonics38200072–76www.elsevier.nl/locate/ultrasOnedimensionallongitudinal–torsionalvibrationconverterwithmultiplediagonallyslittedpartsJiromaruTsujino,TetsugiUeoka,KenichiOtoda,AtsushiFujimiFacultyofEngineering,KanagawaUniversity,Yokohama2218686,JapanAbstractForincreasingtheavailablevibrationvelocityoftheonedimensionallongitudinal–torsionalvibrationconverter,anewtypeofcomplexvibrationconverterwithmultipleslittedpartsinstalledinthepositionsavoidinglongitudinalnodalpositionsalongtheconverterfordecreasingthemaximumvibrationstresslevelatthevibrationnodalpartwasstudied.Thefreeendoftheconvertervibratesinanellipticalorcircularlocus.ComplexvibrationsystemswithellipticaltocircularorrectangulartosquarelocicanbeappliedeVectivelyforvarioushighpowerapplications,includingultrasonicweldingofmetalorplastics,ultrasonicwirebondingofIC,LSIandelectronicdevices,andalsoultrasonicmotors.Theconverterwithmultipleslittedpartswasimprovedinthevibrationstresslevelandthequalityfactorcomparedwiththeconverterwithsingleslittedpart.©2000ElsevierScienceB.V.Allrightsreserved.KeywordsCircularvibrationlocusComplexvibrationComplexvibrationultrasonicweldingLongitudinal–torsionalvibrationconverterUltrasonicmotorUltrasonicplasticweldingVibrationconverterwithdiagonalslits1.Introductionvibrationcharacteristicsbecausethemaximumvibrationstressalongtheconverterisdecreasedincomparisontotheconverterwithaslittedpart,andthemaximumComplexvibrationsystemswithellipticaltocircularvibrationamplitudeoftheconverterincreasessignifiorrectangulartosquarelociareeVectiveforvariouscantly.Vibrationlocus,andvibrationvelocityandphasehighpowerapplications.Aonedimensionallongitudidistributionsalongtheconverterweremeasuredbytwonal–torsionalvibrationconverterwithaslittedpartatlaserDopplervibrometers.Thenewtypeconverterslongitudinalvibrationnodalareadrivenbyalongitudiwereusedforultrasonicplasticweldingandultrasonicnalvibrationsystemisusefulforhighpowerapplicamotors.tionsincludingultrasonicweldingofvariousmaterials,ThemaximumavailablevibrationvelocityincreasedultrasonicwirebondingofbondingofIC,LSIandsignificantlywiththenewconverter.Weldingcharacterelectronicdevices,andalsoultrasonicmotors1–4.Aisticsofplasticmaterialswereimprovedbythecomplexnewtypeofconverterwithmultipleslittedparts,forvibrationconverter.improvingthevibrationcharacteristicsandincreasingThelongitudinalandtorsionalvibrationamplitudestheavailablevibrationvelocityoftheconverter,isofa15mmdiameterofanewconverterforanultrasonicstudied.Theslittedpartsareinstalledinmultipleposimotorincreasedtoabout12mmpeaktozerovaluetionsavoidinglongitudinalnodalpositionsalongthefrom6mmwithaformerconverterunderthesameconverterfordecreasingthemaximumvibrationstressdrivingvoltage60Vrmsat55kHz.levelatthevibrationnodalpart.UsingmultipleslittedTheconverterwithmultipleslittedpartswasfoundparts,themaximumvibrationstressalongaconvertertobeeVectiveforimprovingthevibrationcharacteristicsdecreasesandthequalityfactorincreases,andtheandincreasingtheavailablecomplexvibrationvelocity.maximumvibrationamplitudeincreasessignificantlyatthesamedrivingvoltage5.Theconverterhassuperior2.ConfigurationsofvibrationconvertersCorrespondingauthor.Tel.81454815661Configurationsoftwoexamplesofthevibrationfax81454917915.Emailaddresstsujinocc.kanagawau.ac.jpJ.Tsujinoconverters20mmindiameterand79mminlength,with0041624X/00/seefrontmatter©2000ElsevierScienceB.V.Allrightsreserved.PIIS0041624X9900175473J.Tsujinoetal./Ultrasonics38200072–764.Complexvibrationultrasonicplasticwelding4.1.VibrationcharacteristicsofacomplexvibrationconvertersFig.2showstherelationshipbetweendrivingfrequencyandlongitudinalandtorsionalvibrationvelocityofacomplexvibrationsystemwiththevibrationconvertera.Thedrivingvoltageiskeptconstantat20Vrms.LongitudinalandtorsionalvibrationvelocitieshavemaximumvaluesatdiVerentfrequenciesataround26.3and26.4kHz.Theellipticallocusisobtainedatthefreeedgeoftheconverter.Torsionalandradialvibrationvelocitydistributionsat26.8kHzalongacomplexvibrationconverterwithFig.1.VariousonedimensionallongitudinaltotorsionalvibrationdoubleslittedpartsaandbareshowninFig.3.Oneconverterswithdoubleslittedparts.torsionalvibrationvelocitynodalpartiswithinaleftslittedarea,andthevibrationvelocitieshavemaximumvaluesatthefreeedge.Theradialvibrationvelocitydistributionalongaslittedpartsthatwereinstalledavoidingalongitudinalcomplexvibrationconverterwithdoubleslittedpartsnodalpart,areshowninFig.1.Thecylindricallongitudinal–torsionalvibrationconverters,madeofaluminumalloyJISA7075B,hadtwoslittedpartsonbothsidesofalongitudinalvibrationnodalpartatitscircumference.Theconvertersweredrivenbyalongitudinalvibrationsource.VariousconverterswithadiVerentandbthesameanglediagonallyslittedpartsweremadeinthetrials.Thevibrationconverterparthad18diagonalslitsof45or135°,10mmwidthand0.5mmwidthwerecutalongitscircumferenceusinganelectrosparkingmachine.Theslitdepthwasalteredfrom1.0to3.0mm.Thefreeedgepartoftheconvertervibratedlongitudinallyandtorsionallyandvibratedinanellipticallocus.Fig.2.Torsionalandradialvibrationvelocitydistributionsalongcomplexvibrationconvertersaandb.Drivingvoltage20Vrms.3.VibrationcharacteristicsoftheconverterswithtwoslittedpartsThefreeadmittanceloopsofthetotalvibrationsystemswiththeconvertersFig.1aandbweremeasured.Thequalityfactorandmotionaladmittance,|Ymo|,ofthevibrationsystemwithaconverterwithdiVerentangleslittedpartsaandthesameangleslittedpartsbwereabout600and30mSunderweldingconditionsoftwo1.0mmthickpolypropyrenesheetswithastaticpressureof890kPa.Theadmittanceloopsofthevibrationsystemwiththeconvertersshowsinglecircularshapesbecausetheresonancefrequenciesofthelongitudinalandtorsionalvibrationsareclose.ThequalityfactorsandmotionaladmittancesofthebothFig.3.Relationshipbetweendrivingfrequency,andlongitudinalandsystemsarelarge.EllipticallociwereobtainedatthetorsionalvibrationvelocityofacomplexvibrationsystemwithavibrationconverterA.Drivingvoltage20Vrms.freeedgesoftheconverters.74J.Tsujinoetal./Ultrasonics38200072–76aisalsoshowninFig.3dottedline.Aradialanddoubleslittedparts.Inthecaseoftheconverterwithsingleslittedpart,theslittedpartispositionedatvibrationvelocitymaximumpositionmeansalongitudianodalpositionofthelongitudinalvibrationalongthenalvibrationnodalposition,andthelongitudinalnodalcylindricallongitudinal–torsionalvibrationconverters.positionispositionedbetweentwoslittedparts.TheOnthecontrary,inthecaseoftheconverterwithtwotwoslittedareasexistoutofthelongitudinalnodalslittedparts,theslittedpartsarepositionedavoidingpositionwherethevibrationstresshasamaximumvaluethelongitudinalvibrationnodalposition.Theconverteralongtheconverter.withdiagonalslitsisdrivenbyalongitudinalvibrationsourceoftwopiezoelectricceramiclead–zircon–tita4.2.WeldingcharacteristicsofcomplexvibrationnatePZTdisks,15mmindiameterand5.0mminultrasonicplasticweldingthickness.Thevibrationconverterslittedparthas12diagonalslitsof45or135°and0.5mminwidthand10Therelationshipbetweenweldingtime,specimenor5mminlength,cutbyanelectrosparkingmachinedeformedthicknessattheweldedpartsandtheweldalongthecircumferenceoftheseconvertersfabricatedstrengthofthelappedpolypropyrenesheets1.0mminfromaluminumalloyJISA7075B.Theslitdepthsofthickness,weldedusinga27kHzcomplexvibrationthe15mmdiameterconverterarealteredfrom1.5tosystemwithaconverteraandb,isshowninFig.4.3.5mm.ThefreeedgeoftheconvertervibrateslongituTheweldstrengthsobtainedbythesystemwithcondinallyandtorsionallyandvibratesinanellipticallocus.verteraarelargerthanthosewithaconverterb.ThePZTlongitudinalvibrationtransducers,alongiTheweldingtimerequiredbecomesshorterusingthetudinalvibrationrodwithaflangeforsupportingthevibrationsystemawithalargertorsionalvibrationmotorandaslittedcylinderareclampedbyaconnectingcomponent.Thedecreaseinspecimendeformedthickbolt.Thedrivingpartoftheconverterandtherotornessattheweldedpartsroughlycorrespondstothepartarestaticallypressedusingcorneddiskspringsbyobtainedweldstrength.Specimenswereweldedinaacenterboltandnuts.ThedrivingsurfacesoftheshorterweldingtimeusingacomplexvibrationsystemconverterJISA7075BandtherotorsteelSKD61orcomparedwithalongitudinalvibrationsystem.ComplexSK4temperedaregroundtobeflatandsmoothusingvibrationiseVectiveforultrasonicweldingofplastic1500–2000meshpolishingpowder.materialsasformetalmaterials.5.2.Vibrationcharacteristicsof15mmdiameterultrasonicmotors5.Ultrasonicmotorswithalongitudinal–torsionalconverterThelongitudinalandtorsionalvibrationamplitudesatthefreeedgeoftheseconvertersweremeasuredby5.1.ConfigurationofultrasonicmotorstwolaserDopplervibrometerswhenthedrivingfrequencywasaltered.TheseconvertershavenearresoTheconfigurationsoftheultrasonicmotorsandnancefrequenciesofthelongitudinalandtorsionalvibrationconverters,15mmindiameter,areshowninvibrationssimilartoFig.2.ThelargestlongitudinalFig.5.Fig.5aandbshowtheconfigurationsofvibrationamplitudesoftheconverterofsingleandtwo15mmdiametermotorsusingaconverterwithsingleslittedpartswithoutarotorpartwereabout6and12mmpeaktozerovalueatfrequenciesof50–55kHz.Thelargestlongitudinalvibrationamplitudesoftheseconverterswitharotorpartareabout3and9mmatfrequenciesnearto55kHz.Thelargestvibrationamplitudesofaconverterwithdoubleslittedpartsareabouttwotothreetimescomparedwiththeamplitudesofaconverterwithsingleslittedpart.5.3.VibrationlociatthedrivingsurfaceoftheconverterInthesecases,thelongitudinalvibrationispartiallyconvertedtotorsionalvibrationattheslittedparts,andthecylinderpartoftheconvertervibrateslongitudinallyandtorsionally.ThevibrationlocusatthefreeedgeisdeterminedbythevibrationphasediVerencebetweenFig.4.Relationshipbetweenweldingtime,deformedweldmentheightthesevibrations.Vibrationlociatthedrivingsurfacesandweldstrengthofthelappedpolypropyrenesheets1.0mminthickoflongitudinal–torsionalconvertersweremeasuredness,weldedusinga27kHzcomplexvibrationsystemwithaconverteraandb.usingtwolaserDopplervibrometers20MHzthat75J.Tsujinoetal./Ultrasonics38200072–76Fig.5.Configurationsof15mmdiameterultrasonicmotorsusingalongitudinal–torsionalvibrationconverterwithsingleslittedpartaanddoubleslittedpartsb.detectlongitudinalandtorsionalvibrationsindepenlengthoftheultrasonicmotorof15mmdiameterinthedrivingfrequency55.1kHzwithoutarotoranddently.ThevibrationlocusisshownonadigitalmemoryoscilloscopescreenasaLissajousfigure.Fig.6shows54.26kHzwitharotor.Thevibrationlocusamplitudeatthedrivingsurfacesofconverterdecreasesslightlythevibrationlociatthedrivingsurfacesofconverterswithdoubleslittedpartsof3.3mmdepthand5mmwhentheultrasonicmotorrotates.Fig.6.Vibrationlociatadrivingpartofa15mmdiameterconverterwithandwithoutarotorpart.

注意事项

本文(外文翻译--安装有许多对角裂缝零件的一维纵扭振动转换器 英文版.pdf)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([email protected]),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。

copyright@ 2015-2017 人人文库网网站版权所有
苏ICP备12009002号-5