塑料模具专业英语.ppt

UnitOneMoldConstructions,PassageOnePlasticsFormingandMolds,PassageTwoThree-plateInjectionMolds,Moldmuld模具Constructionsknstrkn结构Passagepsid段落Plasticsplstiks塑料Formingf:m形成和成型platepleit碟,盘,金属板,板块Injectionindekn注射,第一段塑料成型与模具,模具结构,第二段三板式注射模具,UnitOneMoldConstructions,PassageOnePlasticsFormingandMolds,1,1.Generaldenrl一般,大体,概要Thecontinuingdevelopmentofinjectionmoldtechnologydemandsmoreandmoreoftheprocesses.,continuekntinju:v.继续,连续；developmentdivelpmntn.发展,显影technologyteknldin.技术,工艺；demandsdim:ndv.要求processesprsesn.过程，工艺流程,undoubtedlyndatidliad.无疑(毕定)moldingshop成型车间influenceinflunsv.影响ifany”引出转折状语从句，译为“即便要”。on对，依赖,Themostimportantproblemintheprocessofinjectionmoldingisundoubtedlythecorrectdesignofinjectionmold，becausethemoldingshophaslittleinfluence，ifany，ontheconstructionofthemachine.,第一段塑料成型与模具,UnitOneMoldConstructions,Efficientproductionofthemostdiverseinjection-moldedpartsdependsprimarilyontheinjectionmold.,模具结构,Thedurabilityofthemoldsdependsontheircareandtreatment.Sincethemovingcomponentsandcavityofthemoldarealwayshardenedandground，theyshouldproducebetween500000and1000000000shots.,高效率地生产各类注射成型零件首先取决于注射模具。diversedaiv:sa.不同的,多种多样的,模具的使用寿命取决于对它们的维护保养和加工处理，例如对一些活动件及型腔的表面硬化和磨削加工，使得它们的生产批量可以达到5000001000000000件。Grindgraind（ground，ground）v.磨削，磨光,Foreaseofconstructionandtolowermanufacturingcost，injectionmoldsarebecomingstandardized.Somefirmsofferready-madebasesofsquareorrounddesignasstandardorstripperplatemoldsforimmediateuse.Onlytheinsertsthenhavetobefittedintothebases.,UnitOneMoldConstructions,为了简化模具结构和降低制造成本，使注射模具标准化，许多制造商提供了已经生产好的标准方形或圆形底及脱模板供直接使用，仅需要将它们很好地与机座配合起来就可以了。,firmf:ma.坚定的,坚固的,结实的；n.商行,公司standardizestnddaizv.标准化,使合于标准insertins:tv.插入,UnitOneMoldConstructions,2.BasicMoldConstruction（1）OperatingPrincipleBasicallytheinjectionmoldconsistsoftwohalves.Onemoldhalfcontainsthespruebushingandrunnersystem，theotherhalfhousestheejectionsystem.Themoldedpartislocatedatthepartingline（ref.ToDIN16700）.,模具结构,2.模具的基本结构（1）工作原理从根本上说，注射模具包括两个部分:一部分包括浇口和浇注系统，另一部分是放置顶出系统。模具零件是在分型面被定位的（参考DIN16700）。,basicallybeisikliad.基本上,主要地Consistsofknsistv.由组成halvesh:vz同分数islocatedat被放置在DIN16700德国标准化组织16700,（2）SingleorMulticavityMoldsTosetupacalculationconceivingthechoiceofcavitiesinaninjectionmoldrequiresaccurateknowledgeofthematerialtobeprocessed，oftheinjection-moldingmachineandofthemolds.Themoldcostsincreasewiththerisingnumberofcavitiesandtherelativemachinecostsdecrease.,UnitOneMoldConstructions,（2）单型腔注射模具及多型腔注射模具注射模具型腔选择等设计计算要求掌握加工材料、注射机和模具等方面的准确知识。模具的制造成本随着型腔数目的增加而增加，而相关的加工费用减少了。,single-cavitymold单型腔注射模具multicavitymold多型腔注射模具calculationklkjuleinn.计算conceiveknsi:vv.构思,以为,怀孕beprocessed被加工relativereltiva.相对的,比较的,Theproductiontimerequiredforagivenmoldedpartdependsonthewallthickness，theinjectionspeed，therecoveryrate，thetimerequiredtocoolthemoldedmaterial，thecoolingcapacityofthemoldandthenecessaryincidentaltimesuchasdurationofpressureholdingtime，ejectiontime，delaytime，etc.,UnitOneMoldConstructions,一个给定的模具零件的生产周期取决于壁厚、注射速度、收缩率、模内材料的冷却时间、冷却的效能及必要的辅助时间，如压力持续时间、排气时间及延迟时间等。,Recoveryraterikvri回收率,复原Capacitykpsiti容量,容积,能量,生产力incidental,insidentl附带的,伴随的,辅助的suchas例如Durationdjurein持续,持久;持续期间,Thereforethedecisionconcerningthenumberofcavitiestobedetermineddependson:sizeoftheorder（numberofmoldedpartsinconnectionwithdeliverytime）;shapeofthemoldedparts（size，qualityrequirements）;,UnitOneMoldConstructions,因此确定型腔数量的主要因素涉及以下几点:订单大小（制品数量及相关交货时间）;制品形状（尺寸、质量要求）;,Thereforef:因此;因而;所以Concerningkns:ni关于，因素Cavitieskviti型控母模Order订购;订货，汇票,汇单Deliverydilivri交付,交货Shapeeip形状;样子,外形,injection-moldingmachine（clampingforce，plasticizingandinjectioncapacity）;moldcosts.Thereareseveralknownproceduresforcalculatingtheeconomicalnumberofcavities.Unfortunatelytheyaresovariedthatitisimpossibletocondensethem.,UnitOneMoldConstructions,clampingforceklmp夹紧力，合模力Capacitykpsiti容量,容积Proceduresprsi:d程序;方法;步骤Unfortunately遗憾地;不幸地Condensekndens压缩;浓缩；使简洁,缩短,注射机（合模力、可塑性、注射容量）;模具费用。尽管已有多种计算经济型腔数目的方法，但这些计算方法多种多样，根本没法将它们提炼成为简便公式。,Asanexample:Thetheoreticalmax.numberofcavitiesis:F1=Max.injectionvolumeofmachine（cm3）/Volumeofmoldedparts，sprueandrunner（cm3）F2=Plasticizingcapacity（cm3/min）/Numberofshots/min（part，sprueandrunner（cm3）F2mustbeequaltoorsmallerthanF1.F1isthemaximumnumberofcavitiesattainable.,UnitOneMoldConstructions,plasticizeplstisaizv.（使）成为可塑;（使）可塑injectioncapacity注射容量Theoreticaliretikl理论的Spruespru:注料口;浇注口,例如:型腔的理论最大数目为：F1=注射机注射容量的最大值（cm3）/制件、注料口和流道体积（cm3）F2=注塑容量（cm3/min）/制造数量/min（制件、注料口和流道（cm3）F2必须小于等于F1，F1是可得到的型腔数目的最大值。,UnitOneMoldConstructions,动模座板,顶料板（Ejectorplate）,顶料杆，出料杆,注塑机顶杆,导柱/导套,垫脚，模脚,凸模板,凹模板,冷却水道,定位环,主流道,主流道衬套,浇注系统,静模座板,导柱,导套,动模垫板,UnitThreeMoldConstructions,PassageTwoThree-plateInjectionMolds,2,Three-plateinjectionmoldsareinjectionmoldspossessingtwopartinglines，havingbeendesignedasdegatingmolds.,Thismeansthatthesprueisseparatedfromthepartsinthemold.Attheconclusionofinjectionthemoldopensatthefirstpartingline，whichcontainsthesprueandrunnerandseparatedthepinpointgatefromthepart.,三板式注射模具是具有两个分型面的注射模具，这种模具带有浇口,也就是直浇道在模型中和塑件相分离。在注射结束之后，模具沿第一层分型面开模，其中包含了注料口、浇道和塑件中分流的针孔型浇口。,possessingpzes拥有,持有;具有;占有；Means意味着；sprue；spru:直浇道；isseparated被分离；conclusionknklu:n结尾,结局,UnitOneMoldConstructions,模具结构,Onlywhenthesecondpartinglineopened，thepartwouldbereleased.Thereareseveralpossibilitiesforachievingthis.,仅当沿第二层分型面开模时，塑件才脱离型芯。有多种可能性来实现这种情况。,wouldbereleasedrili:s放松,松开possibility,psbiliti可能性Achievingti:v完成,实现,UnitOneMoldConstructions,模具结构,InFig.3-1，withshortstrokedistancesofplate2，compressionspring4orspringwasherscanbeinsertedbetweenplate1andplate2，whichpushplate2forward.Thestop3limitsthestroke.,在图3-1中，模板2具有一个短小的行程距离，压缩弹簧4或弹簧垫圈可以插入模板1和模板2之间，推动模板2向前，而止动销3则可以限制模板2的行程。,Fig.3-1Springtype1plate;2pushplate;3stop;4compressionspring,Fig.figurefig的缩写图表;图解;插图strokestruk冲程,行程,UnitOneMoldConstructions,Theretentionsystemofplate1showninFig.3-2isoftenemployed.Dowel2isprovidedwithanannulargroove3intowhichtheballcatch4ispushed.Anottooheavyplatecanbecarriedalongbytheresultantadhesiveeffect.,模具结构,Fig.3-2Retentionsystem1plate;2dowel;3annulargroove;4ballcatch,在图3-2中，模板1在滞留系统中也经常被使用。定位销2中有一个环形凹槽3可以使球掣4进入，一块不太厚的模板可以沿着黏合面而移动。,retentionsystemritenn保留;保持Isemployedimpli使用,利用；Doweldaul定位销nnularnjul环状的,轮状的;有环纹的groovegru:v沟;槽Resultantrizltnt组合的,合成的Adhesivedhi:siv粘的;粘着的;effectifekt效果,效力;作用;,UnitThreeMoldConstructions,Theplate2tobemovedinFig.3-3isconnectedtotheejectorplatesbyejectorrods，whichinturnarefixedintheirbasicpositionbystrongspring3.Plate2iscarriedalonguntiltheejectorplatesarestoppedbyrunningagainsttheejectorbarofthemachine.,图3-3中的模板2通过顶料杆和顶料板相连。顶料杆由强度很大的弹簧3依次固定在它们的基本位置。模板2被移动直到顶料板由于撞上机器的推出杆而停止。,Fig.3-3Three-plateinjectionmold1plate1;2plate2;3spring;4ejectorrod;5ejectorbar,isconnectedto通过.被连接bemovedin被搬入inturn依次，轮流iscarriedalong被移动；runningagainst撞上,UnitThreeMoldConstructions,当一个完整的模型保持正常方式运行时，需注意推出杆5应设计得稍长点。,Thenonlythecompletemoldbodykeepsmovingonintheusualmanner.Caremustbetakenwiththisdesignthattheejectorbar5isslightlydelayed.,ejectorbar推出杆delayed.1.延缓;使延期2.耽搁;延误,UnitOneMoldConstructions,Theymustnotberigidlyconnectedtotheejectorplate;otherwisetherewouldbeatendencyforthepartstobepushedbackintothecavitiesinplate2.Withthisdesignthestrokeofplate2canbearbitrary,模具结构,Moreover，whentheejectorrods4arehardenedandguidedinbushes，theseejectorrodscantakeoverthefunctionoftheguidepinsfittedonthefixedmoldhalf，,顶料杆不能和顶料板刚性相连，否则塑件将会有被推回模板2型腔的可能。对于这种设计，模板2的行程可以是任意的。,而且当顶料杆4被加固并且用轴套引导时，这些顶料杆可替代导向销的作用来与定模部分配合，,Rigidlyrididli僵硬地;严厉地;严格地;固执地Otherwisewaiz否则tendencytendnsi倾向;趋势Arbitrary:bi,trri随心所欲的,任意的,UnitOneMoldConstructions,sothatthespacebetweenplates1and2isnotclutteredupwithprotrudingrodsorsprings.Thiscanbeofadvantageifarathercomplicatedrunnersystemhastobedesigned.,模具结构,所以在模板1和模板2之间不能乱放伸出杆或弹簧。如果要设计一个非常复杂的浇道系统，这种方法具有优势。,Clutterklt使凌乱;乱堆在,塞满(+up)Protrudingprtru:dvt伸出,突出Springs弹簧Ratherr:相当,颇,有点儿Complicatedkmplikeitid复杂的,UnitOneMoldConstructions,模具结构,Fig.3-4showsamechanicaltypeofplatemovement.Althoughmoreelaborate，itisneverthelessthesafestway，particularlyiflarge，heavyplateshavetobemoved.Thelatch3，whichhooksoverplate1，movesthelatteralong.,图3-4所示为平板运动的机械形式。虽然这种形式更为精细，但这无疑是最安全的方法，特别是当大而重的平板需要被移动时。挂在模板1上的插销3沿着模板移动，,Fig.3-4Platemovement1plate;2pin;3latch;4guidestrip;5leafspring;6waterway,elaborateilbrit精细,精心制作的nevertheless,nevles仍然,不过,然而hookhuk钩住,图3-4模板运动1模板;2销;3插销;4导轨;5片弹簧;6冷却水道,UnitOneMoldConstructions,模具结构,Themovementiscontinueduntilthepin2inthehookisliftedbytheriseintheguidestrip4onwhichitruns.Thepinhastoescapeupward，therebyreleasingthehookfromtheplate2.Theplatenowpushesupagainstastop，whichinthiscasehasbeenfittedtotheundersideoftheguidestripat6，andthemoldcancontinueopening.,直到销被滑块抬起，销不得不向上移动，所以释放了模板1上的挂钩。这时模板反向止动销向上推，在这种情况下，止动销已在6处与导轨的下侧相配合，所以模具能一直打开。,escapeiskeip逃跑;逃脱thereby因此,由此,从而guidestripstrip支板;导轨,UnitOneMoldConstructions,Thehookispusheddownagainbytheleafspring5.,模具结构,Fig.3-5illustratesatypicaldegatingtool.Contrarytotheusualmolddesign，thistoolhasanadditionalmoldpartinglineforthestar-shapedrunner.,然后，挂钩再一次被片弹簧5向下拉。,图3-5所示为一典型注塑模具。与通常的模具设计不同，在此模具中为星形流道设计了一个附加的模具分型线。,illustratesilstreit(用图,实例等)说明,阐明(+with)Contrarykntrri相反的,对立的(+to)additionaldinl添加的;附加的;额外的,UnitThreeMoldConstructions,Fig.3-5Typicaldegatingtool1sprueseparatingarea;2latch;3sprue;4retainerpin;5headofbolt;6sprue-strippingplate;7pin;8guidestrip;9waterway;10bolt;11mainpartingline;12ejectorrod;13strippersleeve;14plateassembly;15moldcores,图3-5典型注塑模具1浇道分离面;2、10插销;3直浇道;4固定销;5、10插销头;6注料口分模板;7销;8导轨;9冷却水道;11主要分型线;12卸料杆;13分型（模）套;14模板装置;15模具型芯,UnitOneMoldConstructions,Moldconstructedonthisprincipleispreferablyemployedbecauseofthesimplicityofthegatingtechnique.,模具结构,Butthereissomeconcernthatbulkyrunneroftendonotdropeasilybetweenthemoldpartinglines.Itisimportantthatasufficientlylargegapalwaysbeset.,因为有简单的脉冲选通技术，所以用这种方法设计的模具更适于使用。,但是需要注意的是，通常大浇道不易滴在分型线之间，所以大的间隙设计是非常重要的。,Constructedknstrkt建造,构成，设计；principleprinspl原则;原理preferablyprefrbli更好地employed,emplii:使用concernkns:n使担心;使不安，要注意（about/for)bulkyblki体积大的,庞大的;过大；sufficientlysfintli足够地,充分地,UnitOneMoldConstructions,Attheconclusionofinjectionthemoldfirstpartedat1inthesprueseparatingareawhenthemachineopens.,模具结构,Thecompletemoldblock，withtheexceptionofthefixedmoldhalf，isinterlockedwithinitselfbythelatch2.,一个完整的动模部分，由其余的固定板通过插销2使它们连接在一起，,当注射成型结束时，随着机器的打开，模具将首先在浇道分离面1处分型。句中短语“Attheconclusionof”译为“当完结时”。,conclusionknklu:n终结,结束Exceptioniksepn例外;,UnitOneMoldConstructions,Asthesprue3isheldcaptivebytheintheretainerpin4，thepartisseveredfromthesprue，whichstaysonthefixedhalf.Whentheheadofthebolt5catchesthesprue-strippingplate6，thisismovedforward，therebystrippingthespruefromtheretainingpin4.,模具结构,直浇道3被固定销4中的下陷所约束。塑件从直浇道被切断，直浇道继续停留在静模部分。当插销头5的销头到达注料口分模板6时，这次运动停止，从而直浇道从止动销4中脱模。,UnitOneMoldConstructions,模具结构,当一连串运作完成时，插销2中的销7在位置9处沿着导轨8到达倾斜面，强制抬起插销从而结束互锁。,Whenthesequencehasbeencompleted，thepin7oflatch2hasarrivedattheinclinedplaneoftheguidestrip8inposition9，forciblyliftingthelatchandtherebyendingtheinterlock.,Sequencesi:kwns连续;一连串inclinedinklaind倾斜的interlock.,intlk互锁,UnitOneMoldConstructions,Theheadofbolt10reachedtheplatesalongthefixedposition.Thecontinuingsequenceoftheopeningmovementconsistsoftilemoldopeningatthemainpartingline11，therebycreatingthedrop-outopeningfortheejectedpart.,模具结构,插销10的销头沿着固定方向到达模板。继续进行的开模运动由塑料模型在主要分型面11处的开模组成，从而为塑件创造了脱落条件。,Sequencesi:kwns连续动作;一连串动作consistsofknsist组成,构成,UnitOneMoldConstructions,Astheopeningsequencecontinues，theheadofejectorrod12pushesagainsttheejectorofthemoldingmachineandstopstheplateassembly14aswellasthestrippersleeve13.,模具结构,Themoldcore15fittedintotheplateassembly14withdrawsfromthepart，andtheejectionprocessisconcluded.,当开模动作继续进行时，顶料杆12的杆头推动模具的推出机构，使动模座板14和分型套13停止。,装在凹模固定板14中的型芯15从塑件中退出，从而注射过程结束。,aswellas还有”、“不但而且,UnitOneMoldConstructions,谢谢观看！,模具结构,