打造汽车零部件及模具人都爱看的行业公众号品牌
汽车零部件模具与注塑专业实用前沿
摘要
1.XXX!你现在有空吗,我可以问你一些问题吗?CouldIaskyousomequestionsifyouarefree
9.按你们提供的缩水率千分之五,这个模具的尺寸已经做到了模具图面要求。但注塑出来的产品不符合你们的产品图。请确认你们的材料的缩水率是否正确?Accoringtotheshrinkageoneovertwohundred,themoldhasbeendoneintherightdimension,butthepartfallsshorttoyourpartdrawing,areyousuretheshrinkageisright10.产品的这个位置太小,导致模具钢料太溥,能够加宽这个位置吗?Thispositionistoosmallandwillmakethesteelmaterialheretoothin,canwewidenithere
Thethicknessaddedistoothick.26.加肉面積太大
Thethickeningareaistoowide.27.GATE位置移位
Thegatepositionismoved.28.滑塊拆的位置
Thesplitlineofslideblockortheareaofslide.29.此处有尖角,填充困难
Wesuggestenlargingthedraftangletohelpreleasethetool.
点击图片了解@汽车模视频
49.成品设计此处有问题,建议如下图所示修改Wewouldsuggestusingtheattachedpartdesignasthecurrentdesignhasproblems.
50.此处改为一个球形的凹槽
Wesuggestmodifyingitasagloberecess.
51.圆柱特征要有一半不可以拆在滑块里,以防拉断
Thisissueisthesameasno.852.此处大滑块上走小滑块,小滑块要先退,大滑块要做延迟Theinsidesmallslideblockwillrecedefirstandtheparentslideblockhavetopostponesliding.53.滑块要用液压油缸抽芯以保证开合模顺序Theslidepinswilluseanoilcylindertoassurethattheprocessisinproperorder.54.这个面有装配,加料的话装配时会顶住,如图所示Wecannotaddmaterialtothissurfacebecauseitwillintervenebetweenthetwopartswhenitisassembled.Pleaseseethesketchattached.55.可降低斜销面,增加成品些许肉厚来做变化Todescendthesurfaceoflifterinordertothickenthepart.56.一半做斜销,一半做自然
Onehalfsidewillhavethelifterandtheotherhalfwillbesolid/nature.)57.此处两个柱子重迭,有倒勾,不能做自然,要做SLIDEThesetwobossesareoverlappingwithundercutthereforeitcannotbemadeassolid.Wesuggestmakingitwithaslideblock.58.此处强迫顶出
Thisareaneedsforceejection.59.公模两段开模,这个地方先退
Herewillbeadoubleejectionforforwardandreceding.60.此处做镶件会有夹线,能否接受
Pleaseconfirmwhetheritisacceptablethattherewillbeasplitlinehere.
61.此面公母模1度靠破,会有段差,可否接受Pleaseconfirmwhetheritisoktohavemismatchtotheareawherethereis1degreeofshutoffinCore/Cavityside.62.这个尺寸能否加大
Pleaseconfirmwhetherwecanenlargethisdimension.63.此处加一个凹槽,胶片的弹出效果会更好一些,试模后看装配的效果再做修正Itwillaffecttheelasticofthefilmbetterifweaddarecess.Seehowitwillaffecttheassemblyparts,andthenmakeyourdecision.64.此处有倒勾,建议将剖面线所示部位CUT即可避免此处的倒勾Thereisanundercuthere,wesuggestcuttingouttheindicatedpartasithighlightedtoavoidanundercut.65.成型后SUBGATE要修平
Thegate(subgate)needstobetrimmedevenlyafterbeingmolded.66.此处倒勾先垂直顶出,之后再手动取出Thisareaoftheundercutneedstobeejectedvertically,thentakenoutmanually.67.这两个面都有滑块,GATE改在此处改不到Thegateisnotsuitableinthisareabecausetherearetwoslidingblockssealingoffthisarea.68.此处加做一个旋转GATE,射出时方便调整成品的质量Wewouldsuggestplacingarunnershut-offinserttoadjustthevolumeofpartfilling.69.此倒勾在滑块上强迫脱模,倒勾是否可以减小到0.6Thisundercutwillbeforceejectedout,Pleaseconfirmwhetheritcanbereducedto0.6mm.70.此柱子无法脱模,请确认是否是在转图时错位,能否提供客户的原始图档Thisbossisnotreleasable.Pleasecheckthefileagainandifpossible,pleasre-sendustheoriginaldraftdata.
71.此柱子是实心的,会缩水
Thisbosswillshrinkbecauseitisasolidboss.72.这个面是否要咬花,咬花番号是什么,最小的拔模角要多大Pleaseconfirmwhetherthissurfaceneedstobetexturedornot.Pleaseadvisetexturespecs.Also,what'sthemin.draft.73.这个面是否要打光,贴标签Pleaseconfirmwhetherthissurfaceneedstobepolishedandstuckonasticker.74.红色显示的几个面拔模角太小,出模时会拉伤,建议加大拔模角Theredhighlightedareahasaproblemofasmalldraftangle.Wesuggestenlargingthedrafttoavoidcasuingdragmarksonthepart.75.此RIB太薄,会填充不足
Thisribcannotbefilledproperlybecauseitistoothin.76.此RIB太厚,会缩水
AllinEnglish&ImperialUnit
全部使用英文和英制单位Arepartdimensionstoprintplusshrink
请检查内模尺寸有否乘缩水Allwiresprotectedfromsharpcorners?
凡有电线通过的角位要改为R角,是否完成?Allreplaceablecomponentsmustbestandardcomponents.
所有替换的元件必须是标准件。Addshotcounter
是否加啤塑总计器?Acomplicatedmouldwiththoroughdesignconsiderationtoovercomethenumerousdesigncontraints.一个复杂的模具,设计经过周详考虑,成功地克服了各种设计上的限制。Allmovingcomponentsshouldusehardenedsteel:allslidesshouldbeinstalledwithhardendorlubricatedalloywearplatesandgibs,andwithpositiveslideretainer.所有移动的零件应使用硬钢料,行位必须用硬垫板和硬线条,而且必须有限位及定位锁。
BOMincludingwaterfittings,ejectors&customcomponents.
BOM的内容应包含运水接头,顶针和自制的零件.BeCuforliftersifw/owatercircuits。
若没有运水回路,斜顶为铍铜。Correspondingcomponentsmirroredatcore&cavity
对应的部件在前、后模平面视图中镜像Checkpolishforlineofdrawfinish?
有否省光就出模CorepullslotmechanisminstalledandO.K.Cranecapacityandloadingclearance.
模具须用多大吊机才可搬动。Conductmoldflow&moldwarpanalysis.
经流道及变形电脑模拟分析。Componentand/or3Dmoulddesigndrawing.
散件图或3D模具图Coolinglessimportantwhendimensionsarenotimportant.
若尺寸不重要,适量冷却也可。Combineatraditional4cavityedgegateanda4cavitiesreversegatemouldwhichhelptodoublethemouldingcapacityandreduceproductioncost.将一个标准四模腔大水口模具与一个四模腔倒转大水口模具结合成为一套可于同一大小的注塑机,生产量可增加一倍的层板模具,并且可降低成本。Canbeseperatedintotwoindividualmouldsformouldingintwodifferentmouldshops.此模具最大的特式是,可将模具分开变成两套,在不同地方生产,增加生产的灵活性。Consistsofallstandardmouldcomponentswhichfacilitatesmouldmaintenance.由于全套模具均利用模具标准零件制成,在维修及换零件上比较方便。
Diedrawcalledout
出模方向的标示Dimensionalltheopening,travel&clearance
标出前、后模距离,滑动部件滑动距离和塑件脱离的位置DMEegr.Waterfittingsrecessedandmarked
是否使用DME运水接头及编号Deliveryrightsideup,orintwohalves?
开箱后是否容易吊出模具及是否分开前/后模运输?Eyeboltsizeandbalancein2sides
吊模孔尺寸,平衡,4边都要有Ejectionstroke&slide,liftertraveldimensioned
出行程、行位、斜顶行程的标注。Ejectionstudyiflifteradopted
若有斜顶,做出分析。Ejectionextendedatthemost
顶出到极限位置Ejectorguidepinsinstallation.
顶针导柱的安装。Eyeboltsforinsertsmorethan50lbs.
重量大于50lbs的镶件必须要有吊模孔。Edgegateorspruegaterequiringsecondaryoperationacceptable.
边缘型或直入型水口都可以接受。
4pointinHRCdifferenttolifterscontactingorcavitysteel。
斜顶和与其接触的内模或镶件在硬度上有4度的差别(HRC)。4Xsizesection,dimensionedtoreflecttheactualsize.
水口及水口顶针的4倍放大视图,按实际尺寸标注。General,safetyandhandling
常规、安全和搬运要求Guidedejectionrecommendedformouldabove100tonsclampcapacity,ejectorpinsof1.5mmorsmaller,orejectorstrokelongerthan50mm.建设模具用于锁模力超过100吨的注塑机,或有1.5mm以下的顶针或顶出行程超过50mm时,应装上顶针板导柱。Guidepinclearedandvented
边钉插入模板有否顶着及加疏气空
Hotmanifoldwiredtoprintandchecked
热咀电线接位有否编号?Hornpinclearancehole?
斜边与行位有否空间?Hydraulicactuatedslidetogetherwithelectricallimitswitch.
行位采用油压推动,配合安全电制。Heatersfitted+0.002/-.000,leadstaggedandconnectedtoterminal.
热嘴装配,电线源头、尾有否安装稳固。(+0.002/.000)Insertskeyedandnumberedtopreventincorrectasse】mbly.
镶件定位和编号以防止不正确的组装。Jawangle3deg.morethananglepins(<25degree).
斜面角度要比行位斜边角度大3度(<25度)。Keepenoughspacetorunwaterlineatslide/lifter/majorinserts.
在行位、斜顶、主要镶件处保留足够位置(空间)布置水槽。
Lifteranglelessthan15degree.
斜顶角度小于15度。Lifterrodsdia,lessthan1".
斜顶杆直径不能少于1"。Limitswitchintactandprotected.
是否已安装限位制?
Moldbaseandsteeldimensioned
模坯和钢料号的标注Minimum5deg.forshut-off.
斜顶镶件最小5度插穿。Mechanismforsequence
动作机构是否正确?Moldsafetystrapsinstalledandpaintedred?
是否已安装安全带及喷上正确颜色在模坯上?Mouldflowandsimulationshouldbecarriedoutforthebestgatelocation,fillinganalysis,pressuredistributionandheatdistribution.适宜应用模拟的模具注塑过程,注射分析、压力分布及温度分布以确定最佳入水位置、流道尺寸和疏气位置等。Mouldshouldbedesignedwithmaximumcoolingandwithappropriateamountofejectionpoints.模具在设计上要做到尽快冷却,上、下内模高温点应该有个别的冷却,应有适量顶针。Mouldshouldbeabletorunfullyautomatic.Largepartshouldbepickedupbyrobot.模具能够全自动生产,大的零件应由机械手拿出。MouldshouldbetestedtomeetadefinedCpkqualitystandard.
模具经过测试,符合预定的Cpk质量标准。Mouldshouldhavesafetyfeaturestoprotectaccidentaldamage,incorrectassemblyandsetupofmould.模具应具备可以预防意外损害及错误安装等安全特性。Mouldhalvesrequiringaccuratealignmentofcoreandcavity,andshutoffshouldhaveappropriatepartlinelocks.上、下模需要精确配合或有擦位的地方,模具一定要有直身锁。Mouldrequiringheatingshouldhaveinsulatorplate.
需要加热的模具,必须有隔热板。Mouldpreferredtorunautomatic;self-degatingwheneverpossible.
模具最好能自动生产,模具尽可能自断水口。
Noobstructionsonbuttomsurfaceofmold?
模具必须稳定位置如有凸出物请加脚座,是否完成?Overallmoldsizeofthemoldbase&shutheight
模坯长宽和模厚(模架的长宽)Outletsaccessibleandmarked"INOUTandNUMBER"?
出入水位有否打上IN、OUT字码?
Protrudingitemsshownandprotected。
画出突出部件并做好保护。Partinglineattheacceptablesurface.
合模分布在合理可接受的表面。Putwaterlineasmuchaspossible/whereverpossible。
尽可能布置多的运水。Putwaterlineforslide/lifter/insertwhereverpossible.
尽可能在行位、斜、镶件布置运水。Partinglineclearedandreleasedproperly
分模线是否正确Properlocatingringanddiameter?
定位圈尺寸及直径是否正确?Properradiusandorificeonspruebushingandkeyed.
唧嘴R及管钉是否正确?Partlinelockrecommendedwhenthereisshutoff.
当有擦位时,最好有直身锁保护。Protrudingitemsshownandprotected.
如有零件凸出,模坯请加保护物。ProperK.O.holessizeandlocation.
顶棍孔尺寸及位置是否正确
Runnerstobebalanced.
流道必平衡。Runnerscrosssectiontypeandsizeasperstandard.
流道切面形状和尺寸符合标准。86.Runnerandpartsshouldbeejectedautomatically.Multipleejectionshouldbeavoided.顶出方法可使流道与产品自动掉下,避免运用多次顶出方法。
Sufficientviewandsection
足够的视图和切面图SafetyStrapinred
模块藏入模坯,要涂成红色。Standingsteelsupportedtokeepstable.
加撑脚以保前、后模能平稳放置。Supportpillars>50%partprojectionarea,steel:1040。
撑头面积大于50%的产品投影面积,材料:1040.Safetystrapcleartiebar
锁模块与哥林柱冲突吗Suckerwithreverse10deg.Undercut。
10度倒扣的流道拉料杆。Steeltype&hardnessofslide&heelblocks
行位和压条的料号和硬度。Sufficientstrokeoflifters(1/16"+undercutsize)?
斜顶是否有足够的行程(1/16”+倒扣尺寸)?Sufficientstrokeforfloatingplate?
浮动板是否有足够的行程?Sufficientstrokeaswellaspartandrunnerfallsclear.
是否有足够的行程使品和流道脱落Springaroundreturnpinsandpressratio<33
是否有回针的弹簧及其压缩比(<33%)Specialinstructionstampedontopandoperatorside?
客户如有特别指示请打在模坯顶及操作面上,有否完成?Screwstightandallinstalled?
螺丝是否全部收紧?Supportpostsgroundandscrewedtoclampplateandpre-loaded.
撑头是否高出方铁?Springpocketscorrectdepth,springdeflectionmax.40%?
全部弹弓压缩比是否为1/3S?Standingsteelwellsupported?
成品与内模之间的钢材是否足够?Singledropofcoldspruegatingisdesignedaftermoldflowanalysis,whichensuresabalanceflowofplasticandeasyformoulding.用moldflow分析决定产品的入水位置,使胶料分流平均,易于注塑。Self-degatingwheneverpossible.Hotrunnersystemshouldbeconsidered.Standardcomponentsshouldbeused.尽量使用标准件。Semi-automaticanduseofmouldreleaseacceptable.
半自动工手放镶件也可
Updatetitleblock/revision.
更新标题栏/版本Usestandardcomponentswhenappropriate.
适当的时候使用标准件。Viewofdeepestpoint
最深点(位置)的剖切视图
Watercircuitsshouldrunoutformtheejectionbox.
运水应从出水槽中流出。Waterlinescleartiebarandclampslot
运水是否同哥林柱和模槽有冲突Willmouldfitinquotedpress
可否配合客户啤机?Waterlinescleartiebars.
运水喉咀接驳位要离开啤机呵林柱咀接驳。Waterlineclearclampslot.