外文翻译浇注系统形式和浇口的设计Word文档格式.docx

外文翻译浇注系统形式和浇口的设计Word文档格式.docx

《外文翻译浇注系统形式和浇口的设计Word文档格式.docx》由会员分享，可在线阅读，更多相关《外文翻译浇注系统形式和浇口的设计Word文档格式.docx（8页珍藏版）》请在冰豆网上搜索。

Roadendandmainstreamisincontactwiththenozzleinjectionmachine,andtheotherendofshuntconnectedwiththetapersectionofthemobilechannel.RoadmainstreamXiaoduansizeof3.5~4mm.

2.HubintheformofmainstreamRoad

RoadentrancetothemainstreamXiaoduanandrepeatedcontactwiththenozzleinjectionmachine,isaconsumable,morestringentrequirementsofthematerial,thus,partofthemainstreammoldoftendesignedasaremovablesleeve,thereplacementofthemainstreamform（commonlyknownasthegatesets,saidhereJackTsui）,inordertoeffectivelyseparatetheselectionofhigh-qualitysteelprocessingandheattreatment.JackTsuiarestandardparts,justtobuyontheline.CommonjackTsuiintoajackAguilaraskednotcarejackTsuiandtwoundertheformermap,ajackAguilaraskedforcompatibilitypositioningcircle.JackTsuispecificationsareΦ12,Φ16,Φ20,suchasseveral.Asfortheinjectionnozzlesaradiusof20,sojackTsuiforR21.

3.Mainstream,thefixedhub

BecausetheuseofachildcarejackTsui,usingcirclewithafixedlocationinthemoldofthepanel.Settingcirclesarealsostandardparts,thediameterofΦ120mm,diameterΦ35mm.Specificinstitutionalformasshownbelow:

B.shuntdesign

Inmulti-cavityormulti-cavitygate（plasticpiecesoflargesize）shouldbesetuptriageRoad,shuntisthemainstream,withthegatebetweentheendofthissectionoftheplasticmeltflowchannel.ItispouringinmoltenstatesystemofplasticintothecavityfromthemainstreamRoad,throughthecross-sectionalareaandthechangesintheflowoftransformationforthesmoothtransitionoftheflowpattern.Therefore,shouldbedesignedtodivertthepressuretomeetagoodtransferandmaintaintheidealstateoffillingandintheprocessofmovementofpressurelossaspossible,canmeltplasticbalanceddistributiontothevariouscavity.

1.Mainshunttheshapeandsize

Roadmapisthemainstreaming（6）intheintakelevelofunder-flow.

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:

FromBto8mm

FromHto5mm

Smalltrapezoidalbottomwidthfrom6mm,anditssideperpendiculartothesurfaceatthedirectionofabout100percent.Inadditiontheuseoftheoutletplate（thatis,wearetalkingaboutthetemplatesandthemiddleoftheplatewithaplatebetween）,theshuntmustbemadetrapezoidalcross-section,fordiversion,andmainstreamLiuNingRoadStripping.

Actualreal-timeprocessing,commonlyusedcross-sectionthesizeoftwotrapezoidalchannel,alargemodel,asmallmodel.Asshownbelow:

2.Lengthofthemainshunt

Shunttoasshortaspossible,andlessbending,injectionmoldingprocessforthemosteconomicuseofrawmaterialsandtheinjectionofenergyconsumption,reducethepressurelossandheatloss.Roadwillbedivertedstraightintothedesign,thechiefof140mm.

3.Thedesignofshunt

Roaddiversionofthemainstreamingofthetwoterritories,followingtheflowshape

Deputyshuntintheverticaldirectionoftheflowonthetaperofthetaperforunilateralism,20,theverybottomdiameterofφ6mm,thelevelofthedirectionofflowfromtoptobottomtwofloorsofthediameterofφ4mm,thesevaluesarebasedonexperience,thetotallengthof38.15mm.

4.Shuntthesurfaceroughness

Asshuntincontactwiththeouterlayerofplasticmoldrapidcooling,onlythecenteroftheplasticmeltflowbetter,becauseofsegregation,theinnersurfaceroughnessRadoesnotrequireverylow,generallyfromabout1.6μmcan,Thisisnotjustthesurfacesmoothandhelpmelttheplasticoutercortexfixedcooling,andthecenterofthemeltbetweenthepoorhaveacertainspeed,toensurethatthemeltflowisappropriatewhentheshearrateandshearheat.

Actualprocessing,millingmachinesusedtoflowMillingRoad,lessfortheprovincetodie,savedprocessingtextureonthetrip.（ProvinceDie:

manufacturingmoldaveryimportantprocess,generallyequippedwithaprofessionalwomendieprovince,withgrindingmachine,sandpaper,Whetstone,suchasgrindingtoolswillmoldcavitysurfacepolished,Moliang,lowercavitysurfaceroughnessDegrees.）

5.Shuntlayoutform

Shuntatthesurfaceofthearrangementandtheforegoingcavityarecloselyrelatedtoavarietyofdifferentformsoflayout,butshouldfollowtwoprinciples:

thatis,ontheonehandwithtight,narrowplate-sizemoldtheotherprocessesTheshortestpossible,theclampingforcetobalance.

Theflowofthemoldformabalancedlayout

C.GateDesign

Gate,alsoknownasthefeedmouth,isconnectedwiththecavityoftheRoaddiversionchannel,inadditiontodirectgate,itwaspouringsysteminthecross-sectionofthesmallestpart,butitisakeypartofgatingsystem,gatelocation,shapeandsizePlasticpiecesofperformanceandqualityofgreat.

1.Selectionofgate

Gatecanbedividedintorestrictiveandnon-restrictivegatetwo.Wewilladoptrestrictivegate.Ontheonehandthroughthegateofrestrictivecross-sectionalareaofthesuddenchangetoshuntthetransmissiontoproduceplasticmeltflowrateofacceleration,improvetheshearrate,makingitidealstateofthemovement,fullofrapid-balancedcavity,anotherImproveplasticsmeltintothecavitywhentheflowcharacteristics,adjustinggatesize,willenablemulti-cavityatthesametimeisfull,cancontrolthefillingtime,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.Gatelocationofchoice

Diedesign,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.

D.pouringsystemofbalance

Forsmallandmedium-sizedpiecesofplasticinjectionmoldshavebeenwidelyusedmodeofamulti-cavityintheformofdesignshouldtrytoensurethatallthecavityatthesametimebeuniformfillingandforming.Usuallyintheshapeofplasticpartsanddiestructuretoallowthecircumstances,shouldbefromthemainstreamofthecavity,toshuntthegrowthofthesamedesign,shapeandsizeofthesamesection（cavitylayoutforthebalance）intheformof,otherwisewewillneedSizeofthegatetoregulatetheflowgateandmoldingprocesstoachieveconsensus,whichispouringsystembalance.Obviously,wedesignthemoldisbalanced,thatis,fromthemainstream,toshuntthecavityofthesamelength,shapeandsizearethesamesection.

E.coldmaterialpointofthedesign

Uponcompletionofacycleofinjectioninterval,takingintoaccounttheinjectionnozzlesofthemain