外文翻譯-澆注系統(tǒng)形式和澆口的設計

外文翻譯-一澆注系統(tǒng)形式和澆口的設計英文翻譯GatingsystemdesignformsandgatemainstreamdesignLMainstreamRoadSizeRoadendandmainstreamisincontactwiththenozzleinjectionmachine,andtheotherenclofshuntconnectedwiththetapersectionofthemobilechannel.RoadmainstreamXiaoduansizeof3.54mm.HubintheformofmainstreamRoadRoadentrancetothemainstreamXiaoduanandrepeatedcontactwiththenozzleinjectionmachine,isaconsumable,morestringentrequirementsofthematerial,thus,partofthemainstreammoldoftendesignedasaremovablesleeve,thereplacementofthemainstreamform(commonlyknownasthegatesets,saidhereJackTsui),inordertoeffectivelyseparatetheselectionofhigh-qualitysteelprocessingandheattreatment.JackTsuiarestandardparts,justtobuyontheline.CommonJackTAuiintoaJackAguilaraskednotcareJackTsuiandtwoundertheformermap,aJackAguilaraskedforcompatibilitypositioningcircle.JackTsuispecificationsare012,016,①20,suchasseveral.Asfortheinjectionnozzlesaradiusof20,soJackTsuiforR2LMainstream,thefixedhubBecausetheuseofachildcarejackTsui,usingcirclewithafixedlocationinthemoldofthepanel.Settingcirclesarealsostandardparts,thediameterof0120mm,diameter035mm.Specificinstitutionalformasshownbelow:shuntdesignInmulti-cavityormulti-cavitygate(plasticpiecesoflargesize)shouldbesetuptriageRoad,shuntisthemainstream,withthegatebetweentheendofthissectionoftheplasticmeltflowchannel.ItispouringinmoltenstatesystemofplasticintothecavityfromthemainstreamRoad,throughthecross-sectionalareaandthechangesintheflowoftransformationforthesmoothtransitionoftheflowpattern.Therefore,shouldbedesignedtodivertthepressuretomeetagoodtransferandmaintaintheidealstateoffillingandintheprocessofmovementofpressurelossaspossible,canmeltplasticbalanceddistributiontothevariouscavity.MainshunttheshapeandsizeRoadmapisthemainstreaming(6)intheintakelevelofunder-flow.InordertofacilitatetheprocessingandcondensateexpectedStripping,shuntinstalledinmostofsub-surface,theshuntisgenerallycircularcrosssectiontrapezoidalshapeofU-shapedsemi-circularandrectangularengineeringdesignoftenusedtrapezoidalcross-sectionprocessingtechnologyisgood,andtheplasticmeltingThelossofheatflowresistancearenotlarge,generallyusingthefollowingformulatodeterminetheirexperiencesectionsize:TvpeB-ladderinthebottomedgeofthewidth(mm)m-weightplasticparts(g)L-segregatioibthelength(mm)H-ladderheight(mm)Thebevelsideofaladderoftentake50-150,intheapplicationof(-1)shouldpayattentiontoitsscopeofapplication,thatis,plasticpartsinthethicknessof3.2mmbelowtheweightoflessthan200g,andtheresultsintherange3.29.5minTheonlvreasonable.Theelectricalinsulationforthevolumeofplastic-322L7324mm3,thequalityofabout4g,thelengthofsegregation,isexpectedtodesigna140mmlong,andtherearefourcavity,so:FromBto8mmFromHto5mmSmalltrapezoidalbottomwidthfrom6mm,anditssideperpendiculartothesurfaceatthedirectionofabout100percent.Inadditiontheuseoftheoutletplate(thatis,wearetalkingaboutthetemplatesandthemiddleoftheplatewithaplatebetween),theshuntmustbemadetrapezoidalcross-section,fordiversion,andmainstreamLiuNlngRoadStripping.Actualreal-timeprocessing,commonlyusedcross-sectionthesizeoftwotrapezoidalchannel,alargemodel,asmallmodel.Asshownbelow:LengthofthemainshuntShunttoasshortaspossible,andlessbending,injectionmoldingprocessforthemosteconomicuseofrawmaterialsandtheinjectionofenergyconsumption,reducethepressurelossandheatloss.Roadwillbedivertedstraightintothedesign,thechiefof140mm.ThedesignofshuntRoaddiversionofthemainstreamingofthetwoterritories,followingtheflowshapeDeputyshuntintheverticaldirectionoftheflowonthetaperofthetaperforunilateralismA20,theveiybottomdiameterof(p6mm,thelevelofthedirectionofflowfromtoptobottomtwofloorsofthediametero(p4mm,thesevaluesarebasedonexperience,thetotallengthof38.15mm.ShuntthesurfaceroughnessAsshuntincontactwiththeouterlayerofplasticmoldrapidcooling,onlythecenteroftheplasticmeltflowbetter,becauseofsegregation,theinnersurfaceroughnessRadoesnotrequireveiylow,generallyfromabout1.6limcan,ThisisnotJustthesurfacesmoothandhelpmelttheplasticoutercortexfixedcooling,andthecenterofthemeltbetweenthepoorhaveacertainspeed,toensurethatthemeltflowisappropriatewhentheshearrateandshearheat.Actualprocessing,millingmachinesusedtoflowMillingRoad,lessfortheprovincetodie,savedprocessingtextureonthetrip.(ProvinceDie:manufacturingmoldaveryimportantprocess,generallyequippedwithaprofessionalwomendieprovince,withgrindingmachine,sandpaper,Whetstone,suchasgrindingtoolswillmoldcavitysurfacepolished,Mollang,lowercavitysurfaceroughnessDegrees.)ShuntlayoutformShuntatthesurfaceofthearrangementandtheforegoingcavityarecloselyrelatedtoavarietyofdifferentformsoflayout,butshouldfollowtwoprinciples:thatis,ontheonehandwithtight,narrowplate-sizemoldtheotherprocessesTheshortestpossible,theclampingforcetobalance.TheflowofthemoldformabalancedlayoutGateDesignGate,alsoknownasthefeedmouth,isconnectedwiththecavityoftheRoaddiversionchannel,inadditiontodirectgate,itwaspouringsysteminthecrosssectionofthesmallestpart,butitisakeypartofgatingsystem,gatelocation,shapeandsizePlasticpiecesofperformanceandqualityofgreat.SelectionofgateGatecanbedividedintorestrictiveandnon-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.GatelocationofchoiceDiedesign,locationandsizeofgateofthemorestringentrequirements,apreliminarytestmodeafterthegatesizeneededfurtherchanges,nomatterwhatthegate,openeditslocationontheplasticpartsmoldinggreatimpactonthequalityandperformance,pouringareasonablechoiceIopenedthelocationisanimportantlinkinimprovingquality,thelocationofdifferentgateatthesametimealsoaffecteddiestructure.Inshorttomakeplasticpartswithagoodperformanceandappearance,wemustseriouslyconsiderthechoiceofgateposition,usuallytoconsiderthefollowingprinciples:minimizetheflowofdistance.gateshouldbeopenedinthemaximumwallthicknessplasticparts.theneedtominimizetheweldmarks.shouldhelpingasfromthecavity.considerationofdirectionalinfluence.avoidJetandwiggle.thegatetoavoidbendingandtheimpactload.attentiontotheappearanceofquality.Accordingtothecharacteristicsofplasticparts,consideringmorethanafewprinciplesApouringintoatriagepoint,abitontheline,Point2pouringintotheshuntopeninthepost-die-on.pouringsystemofbalanceForsmallandmedium-sizedpiecesofplasticinjectionmoldshavebeenwidelyusedmodeofamulti-cavityintheformofdesignshouldtrytoensurethatallthecavityatthesametimebeuniformfillingandforming.Usuallyintheshapeofplasticpartsanddiestructuretoallowthecircumstances,shouldbefromthemainstreamofthecavity,toshuntthegrowthofthesamedesign,shapeandsizeofthesamesection(cavitylayoutforthebalance)intheformof,otherwisewewillneedSizeofthegatetoregulatetheflowgateandmoldingprocesstoachieveconsensus,whichispouringsystembalance.Obviously,wedesignthemoldisbalanced,thatis,fromthemainstream,toshuntthecavityofthesamelength,shapeandsizearethesamesection.coldmaterialpointofthedesignUponcompletionofacycleofinjectioninterval,takingintoaccounttheinjectionnozzlesofthemainstreamentranceandasmallsectionofthismeltduetoheatandradiationbelowtherequiredtemperatureoftheplasticmeltfromthenozzleendoftheinjectionmachinetowithinabout10Liaotong25mmdepthhasatemperaturgraduallyIncreasedtheregion,atthistimetoreachnormaltemperaturesmelttheplastic.Inthisregionoftheflowofplasticmoldingandpoorperformance,ifthisrelativelylowtemperatureofcoldmaterialintothecavity,therewillbedefective.InordertoovercometheimpactofthisphenomenonAwithawellPointRoadextensionwillbethemainstreamexpectedtoreceivecold,coldmaterialtopreventpouringintothesystemandtheflowcavity,theinjectionofthisintervaltoaccommodatethecoldmaterialgeneratedbytheWellPointsColdmaterialknownasthePoint.ColdPointgenerallyexpectedinthemainstreamRoadoppositethecreationofthedynamictemplate（thatis,totheflowofplastic）,thenominaldiameteranditsmainstreamRoadTaiduandiameterofthesameorslightlylargernumber,depthofabout1-1.5timesthediameteroftheendColdexpectedtoensurethatthegreenissmallerthanthesizeofexpectedcold,coldmaterialpointsinsixforms,iscommonlyusedfortheendoftheZ-shapedandRafahintheformofmaterials,accordingtothespecificpropertiesofplasticreasonablechoice.Infact,aslongasthestreaming-willextendtosomedistanceontheline.譯文澆注系統(tǒng)形式和澆口的設計主流道設計主流道尺寸主流道是一端與注射機噴嘴相接觸，另一端與分流道相連的一段帶有錐度的流動通道。主流道小端尺寸為3.54皿。主流道襯套的形式主流道小端入口處與注射機噴嘴反復接觸，屬易損件，對材料要求較嚴，因而模具主流道部分常設計成可拆卸更換的主流道襯套形式（俗稱澆口套，這邊稱唧咀），以便有效的選用優(yōu)質鋼材單獨進行加工和熱處理。唧咀都是標準件，只需去買就行了。常用唧咀分為有托唧咀和無托唧咀兩種下圖為前者，有托唧咀用于配裝定位圈。唧咀的規(guī)格有012,016,020等幾種。由于注射機的噴嘴半徑為20，所以唧咀的為R21。主流道襯套的固定因為采用的有托唧咀，所以用定位圈配合固定在模具的面板上。定位圈也是標準件，外徑為6120皿，內徑①35皿。具體固定形式如下圖所示：分流道設計在多型腔或單型腔多澆口（塑件尺寸大）時應設置分流道，分流道是指主流道末端與澆口之間這一段塑料熔體的流動通道。它是澆注系統(tǒng)中熔融狀態(tài)的塑料由主流道流入型腔前，通過截面積的變化及流向變換以獲得平穩(wěn)流態(tài)的過渡段。因此分流道設計應滿足良好的壓力傳遞和保持理想的充填狀態(tài)，并在流動過程中壓力損失盡可能小，能將塑料熔體均衡地分配到各個型腔。主分流道的形狀及尺寸主分流道是水口板下水平的流道o為了便于加工及凝料脫模，分流道大多設置在分型面上，分流道截面形狀一般為圓形梯形U形半圓形及矩形等，工程設計中常采用梯形截面加工工藝性好，且塑料熔體的熱量散失流動阻力均不大，一般采用經(jīng)驗公式可確定其截面尺寸：式中B一梯形大底邊的寬度（mm）m—塑件的重量（g）L-分流道的長度（mm）H一梯形的高度（mm）梯形的側面斜角a常取50-150，在應用式（式1）時應注意它的適用范圍，即塑件厚度在3.2mm以下，重量小于200g，且計算結果在3.2~9.5mm范圍內才合理。本電動機絕緣膠架的體積為3221.7324皿3,質量大約4g,分流道的長度預計設計成140皿長，且有4個型腔，所以：取B為8mm取H為5mm梯形小底邊寬度取6皿，其側邊與垂直于分型面的方向約成100。另外由于使用了水口板（即我們所說的定模板和中間板之間再加的一塊板），分流道必須做成梯形截面，便于分流道和主流道凝料脫模。實際加工時實，常用兩種截面尺寸的梯形流道，一種大型號，一各小型號。如下圖所示：主分流道長度分流道要盡可能短，且少彎折，便于注射成型過程中最經(jīng)濟地使用原料和注射機的能耗，減少壓力損失和熱量損失。將分流道設計成直的，總長140mmo副分流道的設計副分流道的主分流道以下的兩個上字形的流道副分流道中豎直方向上有錐度的流道的錐度為單邊20，其最底部直徑為4>6mm,水平方向上下兩層流道的宜徑為這些都是根據(jù)經(jīng)驗取值，其總長度為38.15mm。分流道的表面粗糙度由于分流道中與模具接觸的外層塑料迅速冷卻，只有中心部位的塑料熔體的流動狀態(tài)較為理想，因面分流道的內表面粗糙度Ra并不要求很低，一般取1.6Pm左右既可，這樣表面稍不光滑，有助于塑料焰體的外層冷卻皮層固定，從而與中心部位的熔體之間產生一定的速度差，以保證熔體流動時具有適宜的剪切速率和剪切熱。實際加工時，用銃床銃出流道后，少為省一下模，省掉加工紋理就行了。（省模：制造模具的一道很重要的工序，一般配備了專業(yè)的省模女工，即用打磨機，沙紙，油石等打磨工具將模具型腔表面磨光，磨亮，降低型腔表面粗糙度。)分流道的布置形式分流道在分型面上的布置與前面所述型腔排列密切相關，有多種不同的布置形式，但應遵循兩方面原則：即一方面排列緊湊、縮小模具板面尺寸；另一方面流程盡量短、鎖模力力求平衡。本模具的流道布置形式采用平衡式澆口的設計澆口亦稱進料口，是連接分流道與型腔的通道，除直接澆口外，它是澆注系統(tǒng)中截面最小的部分，但卻是澆注系統(tǒng)的關鍵部分，澆口的位置、形狀及尺寸對塑件性能和質量的影響很大。澆口的選用澆口可分為限制性和非限制性澆口兩種。我們將采用限制性澆口。限制性澆口一方面通過截面積的突然變化，使分流道輸送來的塑料焰體的流速產生加速度，提高剪切速率，使其成為理想的流動狀態(tài)，迅速面均衡地充滿型腔，另一方面改善塑料熔體進入型腔時的流動特性，調節(jié)澆口