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 > PDF文档下载

外文翻译--快速原型技术及在模具制造中的应用 英文版.pdf

  • 资源大小:115.94KB        全文页数:5页
  • 资源格式: PDF        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--快速原型技术及在模具制造中的应用 英文版.pdf

THERAPIDPROTOTYPINGMANUFACTURINGANDITSAPPLICATIONINMOLDINGMANUFACTURINGABSTRACTBYDISCUSSINGTHERAPIDPROTOTYPINGTECHNOLOGYTHECRAFTPRINCIPLE,CHARACTERISTICOFTHEPROCESSES,FORMATIONANDTHEGENERALSITUATIONOFTHEDEVELOPOFFASTPROTOTYPEANDITSAPPLICATIONINMOLDING,POINTOUTTHETECHNIQUECANFORMAKINDOFAPROCESSSYSTEMOFEXTENSIVEAPPLICATIONANDNOVEL,ANDITSFOREGROUNDISVASTKEYKKKWORDSRAPIDPROTOTYPINGTECHNOLOGY;MOLDINGMANUFACTURING;DEVELOPMENTOFPRODUCTRAPIDPROTOTYPINGTECHNOLOGYISANEWTYPEOFMULTIDISCIPLINARYINTEGRATEDMANUFACTURINGTECHNOLOGYAFTERTHE1980S,FOLLOWINGTHEAPPLICATIONOFCOMPUTERAIDEDDESIGN,PRODUCTSHAPEANDDESIGNCAPABILITIESHAVEGREATLYIMPROVED,HOWEVER,PRODUCTDESIGNHASCOMPLETED,PRODUCTION,ASYSTEMMUSTBEDESIGNEDTOCONVEYTHECONCEPTOFSAMPLES,RAPIDFEEDBACKTOPRODUCTDESIGN,PRODUCTDESIGNANDASSESSTHEFEASIBILITY,ANDFEASIBILITYSTUDIESTHEINCREASINGLYFIERCECOMPETITIONINTHEMARKETTODAY,THETIMEISEFFECTIVETOENHANCETHECOMPETITIVENESSOFPRODUCTS,FROMPRODUCTDEVELOPMENTTOVOLUMEPRODUCTIONOFTHEWHOLEPROCESSAREURGENTLYREQUIREDTOREDUCECOSTSANDINCREASESPEEDRAPIDPROTOTYPETECHNOLOGYAPPEARANCEPROVIDESANEFFECTIVESOLUTIONTOTHISPROBLEMWHICHMUCHATTENTIONATHOMEANDABROAD1THEBASICPRINCIPLEOFRAPIDPROTOTYPINGTECHNOLOGYTHERPISTHEGENERICNAMEOFTHEPRINCIPLECREATIONPRODUCTPROTOTYPETHATUSESTHELONGLOSTLAYERING,ITSPRINCIPLEISPRODUCECADMODEL�STRATIFIEDSEPARATED�ACCORDINGTOTHEPLANGEOMETRYINFORMATIONWHICHISDISPERSEDTOPILEUPTHEORIGINALMATERIAL�GENERATINGENTITYMODELSTHISTECHNOLOGYINTEGRATESOFCOMPUTERTECHNOLOGY,LASERPROCESSINGTECHNOLOGY,NEWMATERIALTECHNOLOGY,RELYINGONCADSOFTWAREINTHECREATIONOF3DCOMPUTERMODELSENTITIES,ANDISDIVIDEDINTOASERIESOFPLANEGEOMETRYINFORMATIONTOCONTROLTHESCANNINGLASERBEAMDIRECTIONANDSPEED,USINGSINTER,POOLINGORCHEMICALREACTIONMEANSEXHAUSTIVESELECTIVEPROCESSINGOFRAWMATERIALS,THUSRAPIDACCUMULATIONMANUFACTUREPRODUCTSENTITIESMODELS2THECHARACTERISTICSOFRAPIDPROTOTYPINGTECHNOLOGYRAPIDPROTOTYPINGTECHNOLOGYBREAKSTHETRADITIONALWAYTOPRODUCESPAREPARTSOF“ROUGHCAST�SLICETOPARETOPROCESS�FINISHED”,NEEDLESSCUTLERYCREATEDTHEFIRSTPRODUCTIONOFSPAREPARTS,ISANUNPRECEDENTEDLAMINAREDUCINGPROCESSINGMETHODSCOMPARINGTOTRADITION,THEFASTPROTOTYPEPROCESSESTHEFOLLOWINGADVANTAGE1PRODUCETHESPAREPARTSOFTHECURVEDFACEANDMORECOMPLICATEDAPPEARANCEQUICKLY,SUCHASSHOULDERWITHINSPAREPARTSANDHOLLOWANDPARTSOFETCS,CONSUMEDLYLOWEREDTHEDEVELOPMENTCOSTOFTHENEWPRODUCTANDDEVELOPMENTPERIOD2ISANONCONTACTPROCESSING,MACHINETOOLCUTTINGPROCESSINGISNECESSARYCUTLERYANDJIGWITHOUTCUTLERYWEARANDCUTTINGFORCE3WITHOUTVIBRATION,NOISEANDSLICETOPARETHEWASTE4CANCARRYOUTTHENIGHTTIMEOVERFULLAUTOMATICPRODUCTION5PROCESSWITHHIGHEFFICIENCY,PRODUCESTHEARTICLEENTITYMODELANDMOLDINGTOOLSQUICKLYTHEFORMFOLLOWSTHECOMPARISONOFTHEMETHODFORTHERAPIDPROTOTYPINGTECHNOLOGYANDTRADITIONCOMPARISONTHEITEMPROCESSINGTECHNOLOGYTHETOOLMACHINESLICESTOPARETOPROCESSRPLIGHTSHAPEMETHODPROCESSTHEMETHODOFPROCESSDOAWAYWITHTHESURPLUSMATERIALPROCESSFOLDTHELAYERPROCESSTHEOBJECTOFPROCESSSOLIDLIQUID,PORTRAIT,POWDERTOOLTHETOOLOFSLICETOPARELIGHTBEAMMINIMUMPROCESSINGUNITSDOT’SDIAMETERISABOUT1ΜMSTRIANGLESOF200ΜMSLONGPRODUCTIONOFSPAREPARTSTHELEASTPROCESSESCOMETOGETHERTHEBODYOFTHEUNITTHELEASTPROCESSESCOMETOGETHERTHEBODYOFTHEUNITTHERPANDTRADITIONSSLICETOPARETHEMETHODCOMPARISONSHEET3THEDEVELOPOFRPRAPIDPROTOTYPINGTECHNOLOGYCONCEPTTHATTHECONCEPTRPRAPIDPROTOTYPINGTECHNOLOGYCOULDBEBACKTO1979THEPROFESSOFZHONGCHUANWEIXIONGINPRODUCEANDTECHNIQUEINSTITUTEOFJAPANESEUNIVERSITYOFTOKYOINVENTTHEMETHODOFFOLDTHELAYERMODEL,THEXIAOYUXIUNANPUTFORWARDTHELIGHTSHAPEMETHODAGAININ1980,AFTERTHECONCEIVEPUTFORWARD,ITWASCONTINUEDTOSTUDYIN1984BYWANGUYANGER,ANDCARRIEDONTOPRODUCEMANUFACTUREONATRIALBASISIN19871988,THEUNITEDSTATESRAPIDLYPROTOTYPE3DSYSTEMSCORPORATIONWASTHEFIRSTTOINTRODUCEPRACTICALDEVICESLASERTHREEDIMENSIONALSHAPESTHATSLASTEREOLIGHTGRAPHYAPPARATUS,ANDANNUALSALESGROWTHRATE3040INCREASEINTHEWORLDMARKETINRECENTYEARS,WITHINCREASINGPERFORMANCESCANNINGAMIRROR,ANDTHEDEVELOPMENTOFMATERIALSSCIENCEANDCOMPUTERTECHNOLOGY,RAPIDPROTOTYPINGTECHNOLOGYMATURES,ANDIN1994TOPROMOTEUNIVERSALACCESSTOTHEFORMALSTAGEINACCORDANCEWITHTHEPATTERNSANDMATERIALSUSEDINTHEDIFFERENTTYPESOFRAPIDPROTOTYPINGTECHNOLOGYCURRENTLYHASTHEFOLLOWINGFOURTYPES31SOLIDIFICATIONRESINMATERIALSUSINGLASERLIGHTSHAPESLAWTHELIGHTSHAPEEQUIPMENTISEXCELLENTWITHAPRODUCTOFTHE3DSYSTEMSCOMPANYOFTHEUNITEDSTATES,ANDTHEFORMATIONOFAMONOPOLYFIGURE1SHOWSTHEOPERATINGPRINCIPLESISSUEDBYTHELASERLIGHT,THEOPTICALSYSTEMTOCOMPILEINTOASMALLBEAM,THEBEAMINTHECOMPUTERCONTROLLED,SELECTIVESCANNINGRESINSURFACE,USINGANULTRAVIOLETRESINFROZENMECHANISMS,ALAYEROFSOLIDIFICATIONRESIN,EACHLAYEROFSOLIDIFICATION,PRECISIONWORKSTATIONSINADISTANCEWITHTHENEWLAYEROFSURFACEGEOMETRICINFORMATIONTOTHELASERSCANNERFORSCANNINGREADING,SOLIDIFICATIONOFTHENEWLAYEROFRESINANDFIRMLYSTICKTOTHEPREVIOUSLAYERHASSOLIDIFICATIONRESIN,SOREPEATEDLYUNTILTHEPRODUCTIONOFSPAREPARTSENTITIESGENERATEDAMODELTHELASERSTEREOSCOPICSHAPEMANUFACTURINGACCURACYCANREACHTHE01MMS,MAINLYUSEDTOPROVIDETHESAMPLEANDTHEEXPERIMENTMODELSFORTHEPRODUCTINADDITION,THESOLIFORMOFTHEJAPANESESYSTEMMACHINEDEVELOPEDCANMANUFACTURETOINJECTTOMODELTHEMOLDINGTOOLANDVACUUMMOLDINGTOOLSDIRECTLYFIGURE1STEREOSCOPICLIGHTSHAPETECHNIQUEPRINCIPLEDIAGRAM32THEPAPERFOLDSTHELAYERSHAPEMETHODTHEPAPERFOLDSTHELOMTHATTHELAYERSHAPEMETHODDEVELOPSWITHTHEHELISYSCOMPANYCURRENTLYAPPLICANTMOSTWIDELYTHEDEVICESUSEDFORROLLERPAPERFROMTHEPAPERHEATINGROLLERCYLINDERSCONNECTIVITY,ANDTHENUSINGTHELASERTOCUTPAPER,THEQUESTIONHEATINGROLLERCYLINDERSAUTOMATICALLYLEAVE,THEPAPERWILLBEREADYBYLASERLEVELREQUIREMENTSINTOSHAPE,ASSHOWNINFIGURE2FIGURE2PRINCIPLEDIAGRAMOFTHEPAPERFOLDSTHELAYERSHAPETHELOMCANMANUFACTURESOMELARGESPAREPARTSANDTHETHICKWALLKINDPIECESOFTHEHARDCREATIONWITHLIGHTSSHAPEMETHODANDCREATECOSTISCHEAPABOUTFORTHELIGHTSHAPEMETHODOF1/2,THESPEEDISHIGHABOUTMANUFACTURETIMEFORTHEWOODMOLDOFBELOW1/5,ANDCANSIMPLYANALYTICTHEDESIGNCONCEIVEOUTLINEANDFUNCTION33MELTDOWNSHAPEMETHODSTHEMELTDOWNSHAPEMETHODISMOSTEXTENSIVEUSEDWITHTHEPRODUCTFDMWHICHISDEVELOPEDINAMERICANSTRATASYS,THEFUSEDDEPOSITIONMODELING,WHENITISWORKING,THEPLASTICSMATERIALWITHHOTEXTRUSIONSPRAYEDDIRECTLYBYSPRINKLERHEADCONTROLLEDBYCOMPUTERCOMBINETOLAYERTOCREATEANENTITYMODELFROMBOTTOMTOTOPACCORDINGTOSEVERALINFORMATIONOFLEVELTHEBIGGESTCHARACTERISTICSINFDMTECHNICALISAQUICKGENERALTHEMODELNEEDSEVERALHOURSANDCANIMMEDIATELYMODELANDFREEFROMPOLLUTION,TOGETTHEEXTENSIVEAPPLICATIONINPROTOTYPE,DEVELOPANDCASTWAXMOLEANDSOON34HOTANDFICTILESHAPEMETHODSTHEHOTANDFICTILESHAPEMETHODBURNSTHEKNOTWITHTHESELECTIVITYLASEROFTHEDTMCOMPANYDEVELOPMENTNAMELYTHESLSTHESELECTIVELASERSINTERINGAPPLICATIONISTHEMOSTTHATMETHODISAWAYMANUFACTUREKINDPIECETHATBURNSWITHTHECO2LASERMACHINECONTROLSBYTHECALCULATOR,CARRYONSCANNINGONTHEMATERIALPOWDERACCORDINGTOSEVERALINFORMATIONFORFACESOFSEVERALPIECESWITHHORIZONTALEACHLAYEROFTHEBODY,THEPOWDERISSCANNINGBYLASERANDSOLIDIFYTOGETHERTHEN,SPREADUPANEWPOWDEROFLAYER,THENSCANTOBURNTHEKNOTWITHTHELASER,THUSAGAINANDAGAIN,KEEPTOGOTOMAKETHEKINDPIECEWHICHNEEDEDASFIGURE3SHOWSFIGURE3THEPRINCIPLECHARTOFSELECTIVITYLASERSINTERINGTHESLSTECHNIQUESHAPESPEEDISFASTGENERALWARE,NEEDONEORTWODAYSTOCOMPLETE,THESHAPEACCURACYISHIGHTHEMINIMUMTHICKNESSOFEACHLAYERPOWDERISABOUT007MMS,THELASERDYNAMICSTATEACCURACYCANREACHTHE009MMS,ANDHAVETHEAUTOMATICLASERREPAIRFUNCTION,THEPROTOTYPESTRENGTHISHIGHGATHERITSBENTSTRENGTHOFTHECARBONICACIDFATANDCANAMOUNTTOTHE345MPA,THENYLONCANREACH55MPA,THEREFORE,CANCARRYONFUNCTION’SEXPERIMENTANDASSEMBLETHEEMULATIONWITHTHEPROTOTYPE,TOOBTAINTHEBESTCURVEDFACETOMATCHWITHTHEOBSERVATIONTHECONDITIONDEVELOPANDAPPLIEDASPECTTECHNICALLYINRP,THEUNITEDSTATESANDJAPANSARETHEBESTINHUAZHONGUNIVERSITYDEVELOPSTWOKINDSOFMODELSYSTEMMACHINEHRPANDRPSSWHICHISRESEARCHTOMANUFACTUREIN1994SUCCESSFULQUICKLY,HAVEALREADYENTEREDTHECOMMODITYMARKETCURRENTLY,BEAPPLIEDINTHEPROFESSIONSEXTENSIVELY,SUCHASAUTOMOBILE,TOY,AVIATIONAEROSPACE,SHIPBUILDINGANDTHESOLDIERWORKETC4THEAPPLICATIONOFTHERPINMOLDINGMANUFACTURE41MAKINGTHEMOLDFOUNDRYFASTPUTTHESPAREPARTCADMODELCONVERSETOFASTMETHOD,PRODUCEMETALSPAREPARTSQUICKLYACCORDINGTOEACHLAYERSHAPEOFFACETOFORCERAMICMOLDANDTHENACCORDTOFASTMETHODINADDITION,CANCARRYOUTTHEORIGINALMOLDTHATTHEFASTPROTOTYPETECHNIQUEMANUFACTURESACONDUCTANDACTIONSFOUNDERMOLDINGTOOL,SPAREPARTSOFFASTCAST,ITSPROCESSISDESIGNTHESPAREPARTSCAD3D�THECALCULATIONHYDRODYNAMICSANALYSISCFD�THELOMMODELMANUFACTURING�CASTTHEMETALSSPAREPARTS42FASTMOLDINGTOOLMANUFACTURINGTHETRADITIONALMOLDINGTOOLMANUFACTURINGMETHODPERIODISLONG,THECOSTISHIGH,ASETOFSIMPLEPLASTICSMOLDINGTOOLISWORTHABOVE100,000DOLLARSANYERROROFDESIGNREFLECTSTHEMOLDINGTOOLMAKETHELOSSTHATCAN’TBERETRIEVEDFASTPROTOTYPETECHNIQUECANAHEARTANDBODIESOFTHEACCURATEMANUFACTUREMOLDINGTOOL,ALSOCANUSEDFORINJECTINGPROCESSTOPRODUCEMANUFACTUREPLASTICSPIECEDIRECTLY,FORTHEPURPOSEOFDETECTIONANDTHEMISTAKETHATRECTIFYTOAPPEARTHECENTEROFNATIONALENGINEERINGINAMERICANIDAHOANDENVIRONMENTSEXPERIMENTADOPTTHEFASTCONCRETIONCRAFTNAMELYTHETECHNIQUEOFRSPCARRIEDOUTTHEFASTANDECONOMYOFTHEPLASTICSMOLDINGMANUFACTURETHATMETHODADOPTFASTPROTOTYPETECHNIQUE

注意事项

本文(外文翻译--快速原型技术及在模具制造中的应用 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(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