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外文翻译---浇注系统形式和浇口的设计.doc

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外文翻译---浇注系统形式和浇口的设计.doc

唐山学院毕业设计1英文翻译GatingsystemdesignformsandgateA.mainstreamdesign1.MainstreamRoadSizeRoadendandmainstreamisincontactwiththenozzleinjectionmachine,andtheotherendofshuntconnectedwiththetapersectionofthemobilechannel.RoadmainstreamXiaoduansizeof3.54mm.2.HubintheformofmainstreamRoadRoadentrancetothemainstreamXiaoduanandrepeatedcontactwiththenozzleinjectionmachine,isaconsumable,morestringentrequirementsofthematerial,thus,partofthemainstreammoldoftendesignedasaremovablesleeve,thereplacementofthemainstreamformcommonlyknownasthegatesets,saidhereJackTsui,inordertoeffectivelyseparatetheselectionofhighqualitysteelprocessingandheattreatment.JackTsuiarestandardparts,justtobuyontheline.CommonjackTsuiintoajackAguilaraskednotcarejackTsuiandtwoundertheformermap,ajackAguilaraskedforcompatibilitypositioningcircle.JackTsuispecificationsareΦ12,Φ16,Φ20,suchasseveral.Asfortheinjectionnozzlesaradiusof20,sojackTsuiforR21.3.Mainstream,thefixedhubBecausetheuseofachildcarejackTsui,usingcirclewithafixedlocationinthemoldofthepanel.Settingcirclesarealsostandardparts,thediameterofΦ120mm,diameterΦ35mm.SpecificinstitutionalformasshownbelowB.shuntdesignInmulticavityormulticavitygateplasticpiecesoflargesizeshouldbesetuptriageRoad,shuntisthemainstream,withthegatebetweentheendofthissectionoftheplasticmeltflowchannel.ItispouringinmoltenstatesystemofplasticintothecavityfromthemainstreamRoad,throughthecrosssectionalareaandthechangesintheflowoftransformationforthesmoothtransitionoftheflowpattern.Therefore,shouldbedesignedtodivertthepressuretomeetagoodtransferandmaintaintheidealstateoffillingandintheprocessofmovementofpressurelossaspossible,canmeltplasticbalanceddistributiontothevariouscavity.1.MainshunttheshapeandsizeRoadmapisthemainstreaming6intheintakelevelofunderflow.唐山学院毕业设计2InordertofacilitatetheprocessingandcondensateexpectedStripping,shuntinstalledinmostofsubsurface,theshuntisgenerallycircularcrosssectiontrapezoidalshapeofUshapedsemicircularandrectangular,engineeringdesignoftenusedtrapezoidalcrosssectionprocessingtechnologyisgood,andtheplasticmeltingThelossofheatflowresistancearenotlarge,generallyusingthefollowingformulatodeterminetheirexperiencesectionsizeTypeBladderinthebottomedgeofthewidthmmmweightplasticpartsgLsegregation,thelengthmmHladderheightmmThebevelsideofaladderoftentake50150,intheapplicationof1shouldpayattentiontoitsscopeofapplication,thatis,plasticpartsinthethicknessof3.2mmbelowtheweightoflessthan200g,andtheresultsintherange3.29.5mmTheonlyreasonable.Theelectricalinsulationforthevolumeofplastic3221.7324mm3,thequalityofabout4g,thelengthofsegregation,isexpectedtodesigna140mmlong,andtherearefourcavity,soFromBto8mmFromHto5mmSmalltrapezoidalbottomwidthfrom6mm,anditssideperpendiculartothesurfaceatthedirectionofabout100percent.Inadditiontheuseoftheoutletplatethatis,wearetalkingaboutthetemplatesandthemiddleoftheplatewithaplatebetween,theshuntmustbemadetrapezoidalcrosssection,fordiversion,andmainstreamLiuNingRoadStripping.Actualrealtimeprocessing,commonlyusedcrosssectionthesizeoftwotrapezoidalchannel,alargemodel,asmallmodel.Asshownbelow2.LengthofthemainshuntShunttoasshortaspossible,andlessbending,injectionmoldingprocessforthemosteconomicuseofrawmaterialsandtheinjectionofenergyconsumption,reducethepressurelossandheatloss.Roadwillbedivertedstraightintothedesign,thechiefof140mm.3.ThedesignofshuntRoaddiversionofthemainstreamingofthetwoterritories,followingtheflowshape唐山学院毕业设计3Deputyshuntintheverticaldirectionoftheflowonthetaperofthetaperforunilateralism,20,theverybottomdiameterofφ6mm,thelevelofthedirectionofflowfromtoptobottomtwofloorsofthediameterofφ4mm,thesevaluesarebasedonexperience,thetotallengthof38.15mm.4.ShuntthesurfaceroughnessAsshuntincontactwiththeouterlayerofplasticmoldrapidcooling,onlythecenteroftheplasticmeltflowbetter,becauseofsegregation,theinnersurfaceroughnessRadoesnotrequireverylow,generallyfromabout1.6μmcan,Thisisnotjustthesurfacesmoothandhelpmelttheplasticoutercortexfixedcooling,andthecenterofthemeltbetweenthepoorhaveacertainspeed,toensurethatthemeltflowisappropriatewhentheshearrateandshearheat.Actualprocessing,millingmachinesusedtoflowMillingRoad,lessfortheprovincetodie,savedprocessingtextureonthetrip.ProvinceDiemanufacturingmoldaveryimportantprocess,generallyequippedwithaprofessionalwomendieprovince,withgrindingmachine,sandpaper,Whetstone,suchasgrindingtoolswillmoldcavitysurfacepolished,Moliang,lowercavitysurfaceroughnessDegrees.5.ShuntlayoutformShuntatthesurfaceofthearrangementandtheforegoingcavityarecloselyrelatedtoavarietyofdifferentformsoflayout,butshouldfollowtwoprinciplesthatis,ontheonehandwithtight,narrowplatesizemoldtheotherprocessesTheshortestpossible,theclampingforcetobalance.TheflowofthemoldformabalancedlayoutC.GateDesignGate,alsoknownasthefeedmouth,isconnectedwiththecavityoftheRoaddiversionchannel,inadditiontodirectgate,itwaspouringsysteminthecrosssectionofthesmallestpart,butitisakeypartofgatingsystem,gatelocation,shapeandsizePlasticpiecesofperformanceandqualityofgreat.1.SelectionofgateGatecanbedividedintorestrictiveandnonrestrictivegatetwo.Wewilladoptrestrictivegate.Ontheonehandthroughthegateofrestrictivecrosssectionalareaofthesuddenchangetoshuntthetransmissiontoproduceplasticmeltflowrateofacceleration,improvetheshearrate,makingitidealstateofthemovement,fullofrapidbalancedcavity,anotherImproveplasticsmeltintothecavitywhentheflowcharacteristics,adjustinggatesize,willenablemulticavityatthesametimeisfull,cancontrolthe唐山学院毕业设计4fillingtime,thecoolingtimeandsurfacequalityofplasticparts,alsoplaysaclosedcavitytopreventplasticmeltTurntheclockback,andtofacilitategatecondensatematerialsandplasticpiecesfromtherole.Weusethesidegate.Gatealsoknownastheedgeofthesidegate,thegateabroadasthestandard.Sidegateopeninthegeneralclassificationlevel,theplasticmeltsinthecavityfillingside,therectangularcrosssectionshapeformorethanslit,toadjustitscrosssectionofthethicknessandwidthadjustmentcanmeltinjectionattheshearrateandGateclosingtime.Thislampgateprocessingeasy,convenientdressingandplasticpartscanshapefeaturestheflexibilitytochoosethefeedposition,soitisawidelyusedformofagate,thewidespreaduseofplasticpartsinsmallandmediumsizedmulticavitymold,Andtheadaptabilityofvariousplasticmoldingarestrong,buttherearetracesofthegate,aweldmarks,Shrinkage,stomataldefects,suchasplasticparts,injectionandpressureloss,thedeepcavityplasticpartsexhaustinconvenience.Thespecifictomold,formandsizeofitsgategatesizesarefromallpartsoftheexperienceofvalue.2.GatelocationofchoiceDiedesign,locationandsizeofgateofthemorestringentrequirements,apreliminarytestmodeafterthegatesizeneededfurtherchanges,nomatterwhatthegate,openeditslocationontheplasticpartsmoldinggreatimpactonthequalityandperformance,pouringareasonablechoiceIopenedthelocationisanimportantlinkinimprovingquality,thelocationofdifferentgateatthesametimealsoaffecteddiestructure.Inshorttomakeplasticpartswithagoodperformanceandappearance,wemustseriouslyconsiderthechoiceofgateposition,usuallytoconsiderthefollowingprinciples1minimizetheflowofdistance.2gateshouldbeopenedinthemaximumwallthicknessplasticparts.3theneedtominimizetheweldmarks.4shouldhelpingasfromthecavity.5considerationofdirectionalinfluence.6avoidjetandwiggle.7thegatetoavoidbendingandtheimpactload.8attentiontotheappearanceofquality.Accordingtothecharacteristicsofplasticparts,consideringmorethanafewprinciples,pouringintoatriagepoint,abitontheline,Point2pouringintotheshuntopeninthepostdieon.

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