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

外文翻译---浇注系统形式和浇口的设计.doc外文翻译---浇注系统形式和浇口的设计.doc

收藏

编号:201311171054505590    类型:共享资源    大小:45.50KB    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 外文翻译
资源描述:
唐山学院毕业设计-1-英文翻译GatingsystemdesignformsandgateA.mainstreamdesign1.MainstreamRoadSizeRoadendandmainstreamisincontactwiththenozzleinjectionmachine,andtheotherendofshuntconnectedwiththetapersectionofthemobilechannel.RoadmainstreamXiaoduansizeof3.5~4mm.2.HubintheformofmainstreamRoadRoadentrancetothemainstreamXiaoduanandrepeatedcontactwiththenozzleinjectionmachine,isaconsumable,morestringentrequirementsofthematerial,thus,partofthemainstreammoldoftendesignedasaremovablesleeve,thereplacementofthemainstreamform(commonlyknownasthegatesets,saidhereJackTsui),inordertoeffectivelyseparatetheselectionofhigh-qualitysteelprocessingandheattreatment.JackTsuiarestandardparts,justtobuyontheline.CommonjackTsuiintoajackAguilaraskednotcarejackTsuiandtwoundertheformermap,ajackAguilaraskedforcompatibilitypositioningcircle.JackTsuispecificationsareΦ12,Φ16,Φ20,suchasseveral.Asfortheinjectionnozzlesaradiusof20,sojackTsuiforR21.3.Mainstream,thefixedhubBecausetheuseofachildcarejackTsui,usingcirclewithafixedlocationinthemoldofthepanel.Settingcirclesarealsostandardparts,thediameterofΦ120mm,diameterΦ35mm.Specificinstitutionalformasshownbelow:B.shuntdesignInmulti-cavityormulti-cavitygate(plasticpiecesoflargesize)shouldbesetuptriageRoad,shuntisthemainstream,withthegatebetweentheendofthissectionoftheplasticmeltflowchannel.ItispouringinmoltenstatesystemofplasticintothecavityfromthemainstreamRoad,throughthecross-sectionalareaandthechangesintheflowoftransformationforthesmoothtransitionoftheflowpattern.Therefore,shouldbedesignedtodivertthepressuretomeetagoodtransferandmaintaintheidealstateoffillingandintheprocessofmovementofpressurelossaspossible,canmeltplasticbalanceddistributiontothevariouscavity.1.MainshunttheshapeandsizeRoadmapisthemainstreaming(6)intheintakelevelofunder-flow.唐山学院毕业设计-2-InordertofacilitatetheprocessingandcondensateexpectedStripping,shuntinstalledinmostofsub-surface,theshuntisgenerallycircularcrosssectiontrapezoidalshapeofU-shapedsemi-circularandrectangular,engineeringdesignoftenusedtrapezoidalcross-sectionprocessingtechnologyisgood,andtheplasticmeltingThelossofheatflowresistancearenotlarge,generallyusingthefollowingformulatodeterminetheirexperiencesectionsize:TypeB-ladderinthebottomedgeofthewidth(mm)m-weightplasticparts(g)L-segregation,thelength(mm)H-ladderheight(mm)Thebevelsideofaladderoftentake50-150,intheapplicationof(-1)shouldpayattentiontoitsscopeofapplication,thatis,plasticpartsinthethicknessof3.2mmbelowtheweightoflessthan200g,andtheresultsintherange3.2-9.5mmTheonlyreasonable.Theelectricalinsulationforthevolumeofplastic-3221.7324mm3,thequalityofabout4g,thelengthofsegregation,isexpectedtodesigna140mmlong,andtherearefourcavity,so:FromBto8mmFromHto5mmSmalltrapezoidalbottomwidthfrom6mm,anditssideperpendiculartothesurfaceatthedirectionofabout100percent.Inadditiontheuseoftheoutletplate(thatis,wearetalkingaboutthetemplatesandthemiddleoftheplatewithaplatebetween),theshuntmustbemadetrapezoidalcross-section,fordiversion,andmainstreamLiuNingRoadStripping.Actualreal-timeprocessing,commonlyusedcross-sectionthesizeoftwotrapezoidalchannel,alargemodel,asmallmodel.Asshownbelow:2.LengthofthemainshuntShunttoasshortaspossible,andlessbending,injectionmoldingprocessforthemosteconomicuseofrawmaterialsandtheinjectionofenergyconsumption,reducethepressurelossandheatloss.Roadwillbedivertedstraightintothedesign,thechiefof140mm.3.ThedesignofshuntRoaddiversionofthemainstreamingofthetwoterritories,followingtheflowshape唐山学院毕业设计-3-Deputyshuntintheverticaldirectionoftheflowonthetaperofthetaperforunilateralism,20,theverybottomdiameterofφ6mm,thelevelofthedirectionofflowfromtoptobottomtwofloorsofthediameterofφ4mm,thesevaluesarebasedonexperience,thetotallengthof38.15mm.4.ShuntthesurfaceroughnessAsshuntincontactwiththeouterlayerofplasticmoldrapidcooling,onlythecenteroftheplasticmeltflowbetter,becauseofsegregation,theinnersurfaceroughnessRadoesnotrequireverylow,generallyfromabout1.6μmcan,Thisisnotjustthesurfacesmoothandhelpmelttheplasticoutercortexfixedcooling,andthecenterofthemeltbetweenthepoorhaveacertainspeed,toensurethatthemeltflowisappropriatewhentheshearrateandshearheat.Actualprocessing,millingmachinesusedtoflowMillingRoad,lessfortheprovincetodie,savedprocessingtextureonthetrip.(ProvinceDie:manufacturingmoldaveryimportantprocess,generallyequippedwithaprofessionalwomendieprovince,withgrindingmachine,sandpaper,Whetstone,suchasgrindingtoolswillmoldcavitysurfacepolished,Moliang,lowercavitysurfaceroughnessDegrees.)5.ShuntlayoutformShuntatthesurfaceofthearrangementandtheforegoingcavityarecloselyrelatedtoavarietyofdifferentformsoflayout,butshouldfollowtwoprinciples:thatis,ontheonehandwithtight,narrowplate-sizemoldtheotherprocessesTheshortestpossible,theclampingforcetobalance.TheflowofthemoldformabalancedlayoutC.GateDesignGate,alsoknownasthefeedmouth,isconnectedwiththecavityoftheRoaddiversionchannel,inadditiontodirectgate,itwaspouringsysteminthecross-sectionofthesmallestpart,butitisakeypartofgatingsystem,gatelocation,shapeandsizePlasticpiecesofperformanceandqualityofgreat.1.SelectionofgateGatecanbedividedintorestrictiveandnon-restrictivegatetwo.Wewilladoptrestrictivegate.Ontheonehandthroughthegateofrestrictivecross-sectionalareaofthesuddenchangetoshuntthetransmissiontoproduceplasticmeltflowrateofacceleration,improvetheshearrate,makingitidealstateofthemovement,fullofrapid-balancedcavity,anotherImproveplasticsmeltintothecavitywhentheflowcharacteristics,adjustinggatesize,willenablemulti-cavityatthesametimeisfull,cancontrolthe唐山学院毕业设计-4-fillingtime,thecoolingtimeandsurfacequalityofplasticparts,alsoplaysaclosedcavitytopreventplasticmeltTurntheclockback,andtofacilitategatecondensatematerialsandplasticpiecesfromtherole.Weusethesidegate.Gatealsoknownastheedgeofthesidegate,thegateabroadasthestandard.Sidegateopeninthegeneralclassificationlevel,theplasticmeltsinthecavityfilling-side,therectangularcross-sectionshapeformorethanslit,toadjustitscross-sectionofthethicknessandwidthadjustmentcanmeltinjectionattheshearrateandGateclosingtime.Thislampgateprocessingeasy,convenientdressingandplasticpartscanshapefeaturestheflexibilitytochoosethefeedposition,soitisawidelyusedformofagate,thewidespreaduseofplasticpartsinsmallandmedium-sizedmulti-cavitymold,Andtheadaptabilityofvariousplasticmoldingarestrong,buttherearetracesofthegate,aweldmarks,Shrinkage,stomataldefects,suchasplasticparts,injectionandpressureloss,thedeepcavityplasticpartsexhaustinconvenience.Thespecifictomold,formandsizeofitsgategatesizesarefromallpartsoftheexperienceofvalue.2.GatelocationofchoiceDiedesign,locationandsizeofgateofthemorestringentrequirements,apreliminarytestmodeafterthegatesizeneededfurtherchanges,nomatterwhatthegate,openeditslocationontheplasticpartsmoldinggreatimpactonthequalityandperformance,pouringareasonablechoiceIopenedthelocationisanimportantlinkinimprovingquality,thelocationofdifferentgateatthesametimealsoaffecteddiestructure.Inshorttomakeplasticpartswithagoodperformanceandappearance,wemustseriouslyconsiderthechoiceofgateposition,usuallytoconsiderthefollowingprinciples:1)minimizetheflowofdistance.2)gateshouldbeopenedinthemaximumwallthicknessplasticparts.3)theneedtominimizetheweldmarks.4)shouldhelpingasfromthecavity.5)considerationofdirectionalinfluence.6)avoidjetandwiggle.7)thegatetoavoidbendingandtheimpactload.8)attentiontotheappearanceofquality.Accordingtothecharacteristicsofplasticparts,consideringmorethanafewprinciples,pouringintoatriagepoint,abitontheline,Point2pouringintotheshuntopeninthepost-die-on.
  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。
0条评论

还可以输入200字符

暂无评论,赶快抢占沙发吧。

关于本文
本文标题:外文翻译---浇注系统形式和浇口的设计.doc
链接地址:http://www.renrendoc.com/p-95590.html

当前资源信息

4.0
 
(2人评价)
浏览:22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   

精品推荐

相关阅读

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