ARBURG精密注塑技术课件PPT模板

（Excellenthandouttrainingtemplate）ARBURG精密注塑技术 内容 财务内部控制制度的内容财务内部控制制度的内容人员招聘与配置的内容项目成本控制的内容消防安全演练内容 提要Overview精密注塑的定义DefinitionPreciseInjectionMolding锁模系统ClampingUnit锁模力ClampingForce选择注射装置的准则CriteriatoSelecttheInjectionUnitSELOGICA®控制器SELOGICA®Controller模具 设计 领导形象设计圆作业设计ao工艺污水处理厂设计附属工程施工组织设计清扫机器人结构设计 MoldDesign模具温度控制MoldTemperatureControl*©CopyrightbyARBURG/Nov.2006精密注塑的定义DefinitionPreciseInjectionMolding小的尺寸和公差轻的部件重量为特定产品配备注塑设备灵活的机器配备（一台机器可适用于多种模具)稳定的质量，高的重复性SmallpartdimensionandtoleranceLowweightAdaptationofmachineperformancetothepartsFlexiblemachineconfiguration(manymoldssuitableforonemachine)Stablequality,reproducibility*©CopyrightbyARBURG/Nov.2006锁模系统ClampingUnit合模系统起重要的作用动模板是稳定而经过证实的箱型结构长而精确的导向模板平行度的调节50吨范围内0.05mm极高的刚度Forpreciseinjectionmolding,theclampingtakeoveraveryimportantpart.movableplatenasstableandprovenbox-typeplatenlongandpreciseguidingofthemovableplatenadjustableparallelismupto50to.Machines0.05mmhighrigidity*©CopyrightbyARBURG/Nov.2006锁模力ClampingForce精密注塑的另一个重要因素是锁模力。原因是：模腔更好的排气（90%的空气从分型面排出）减少机器和模具的磨损节省能源Oneotherimportantaspectforpreciseinjectionmoldingistheclampingforce.Reasonsforthatare:Muchbetterventingofthecavitiesduringinjection.(ca.90%oftheairinsidethecavityescapeoverthepartingline)Topreventmachineandmoldfromunnecessarywear.Savingenergy*©CopyrightbyARBURG/Nov.2006锁模力ClampingForce怎样计算锁模力锁模力=单位锁模力X(产品投影面积+流道投影面积）如果有滑块，需要将滑块投影面积的30%加入产品投影面积Howtocalculatetheclampingforce?Ifthemoldcontainssliders!Youhavetoadd30%oftheprojectedsliderareatotheprojectedareaofmoldedpart.*©CopyrightbyARBURG/Nov.2006锁模力ClampingForce单位锁模力的确定可使用以下图 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf Todefinethenecessaryspecificclampingforce,useoneofthepicturesbelow.Forstandardpartsforthinwalledpartswithlongflowpaths*©CopyrightbyARBURG/Nov.2006锁模力ClampingForce举例Example:接插件ConnectorPA6长度Length:6cm宽度Width:1.5cm浇道投影面积Proj.areasprue:8cm2单位锁模力Spec.clampingforce:6kN/cm2模穴数8cavities*©CopyrightbyARBURG/Nov.2006选择注射单元规格的准则CriteriatoSelecttheInjectionUnitShotweightCycletimeMaterialInjectionpressure*©CopyrightbyARBURG/Nov.2006每一机器尺寸Eachmachinesize三个注射单元3injectionunits三个料筒规格3cylindersizes选择注射单元规格的准则CriteriatoSelecttheInjectionUnit模块化Modularity*©CopyrightbyARBURG/Nov.2006选择注射单元规格的准则CriteriatoSelecttheInjectionUnit注射单元的欧洲橡塑机械协会(EUROMAP)规格表示注射单元的最大注射功。计算方法最大注射压力X最大行程容量/1000举例按注塑机320C600-250规格表最大注射压力(35mm螺杆）：1820bar最大行程容量144ccm1820barX144ccm/1000250ThesizeoftheinjectionunitisaccordingtoEUROMAPandindicatestheworkingperformanceoftheinjectionunit.Theworkingperformanceiscalculatemax.spec.injectionpressurexmax.strokevolume/1000Example:Accordingtothetechnicaldataof320C600-250Max.Injectionpressure(screwdiameter35mm)=1820barMax.Strokevolume=144cm31820barx144cm3/1000250*©CopyrightbyARBURG/Nov.2006选择注射单元规格的准则CriteriatoSelecttheInjectionUnit注射功Workingperformance!!!相同螺杆直径，但不同注射压力!!!Samescrewdiameterbutdifferentmax.injectionpressure*©CopyrightbyARBURG/Nov.2006选择注射量的准则Selectioncriteriashotvolume最大计量容量max.dosagevolume20–80%最佳工作范围opt.workingrange10–20%bzw.80–90%可接受的范围conditionalsuited<10%bzw.>90%不推荐的范围notrecommended选择注射单元规格的准则CriteriatoSelecttheInjectionUnit*©CopyrightbyARBURG/Nov.2006选择注射单元规格的准则CriteriatoSelecttheInjectionUnitExample:Connector(PA6),8cavities,26.5gshotweightResultsaccordingthelistbelow:(1)Theinjectionvolumemustbeonaverage25%greaterthanthevolumeoftheinjectedpart(incl.sprue)duetoshrinkageduringsolidifyingandduetothecompressionofthemeltduringinjection.Injectionunit100100250250Screwdiameter20mm25mm30mm40mmMax.injectionvolume31cm349cm3106cm3188cm3Percentageofcapacity95%60%28%16%*©CopyrightbyARBURG/Nov.2006选择注射单元规格的准则CriteriatoSelecttheInjectionUnitExample:Connector(PA6),8cavities,26.5gshotweight2ndexample,calculationwithshotweightResultsaccordingthelistbelow:Injectionunit100100250250Screwdiameter20mm25mm30mm40mmMoldedpartweight26g41g89g158gPercentageofcapacity100%64%30%17%*©CopyrightbyARBURG/Nov.2006选择注射单元规格的准则CriteriatoSelecttheInjectionUnit滞留时间准则滞留时间=塑胶进入料筒到离开喷嘴的时间PE,PP,PS:最少30秒(大于40秒为好)PA,POM,PBT:最少60秒(75秒为好)Selectioncriteriadwelltimedwelltime=fromtheentreeofmaterialintothecylinderuntiltheexitoutofthenozzlese.g..PE,PP,PS:min.30s(better>40s)e.g.PA,POM,PBT:min.60s(better>75s)*©CopyrightbyARBURG/Nov.2006选择注射单元规格的准则CriteriatoSelecttheInjectionUnitExample:Connector(PA6),8cavities,26.5gshotweight(29.31cm3)Resultaccordingtothelistbelow,dwelltimeforPA6min.60sec.Injectionunit100100250250Screwdiameter20mm25mm30mm40mmScrewchannelvolume60cm385cm3185cm3265cm3Cycletime15s/dwelltime25sec.35sec.75sec.109sec.Cycletime25s/dwelltime41sec.58sec.126sec.181sec.Remarks:anextendedscrewandcylindercanincreasethedwelltime!*©CopyrightbyARBURG/Nov.2006选择注射单元规格的准则CriteriatoSelecttheInjectionUnitSelectioncriteriamaterialthroughputExample:Connector(PA6),8cavities,26.5gshotweightInjectionunit100100100250250Screwdiameter20mm25mm30mm30mm40mmMax.Throughput/h(PA-GF30)3.5kg/h5kg/h6kg/h11kg/h15,5kg/hThroughput(cycletime15s)6.4kg/h6.4kg/h6.4kg/h6.4kg/h6.4kg/hThroughput(cycletime25s)3.8kg/h3.8kg/h3.8kg/h3.8kg/h3.8kg/hMax.Throughput/h(PS)5.5kg/h8kg/h9.5kg/h17kg/h24.5kg/hThroughput(cycletime15s)6.4kg/h6.4kg/h6.4kg/h6.4kg/h6.4kg/hThroughput(cycletime25s)3.8kg/h3.8kg/h3.8kg/h3.8kg/h3.8kg/h*©CopyrightbyARBURG/Nov.2006错误的选择会造成Mistakesinselectioncausese.g.to-不完全熔化的粒料-Unmeltedgranulate-混色不均-Colorsteaks-烧焦-Burntstreaks选择注射单元规格的准则CriteriatoSelecttheInjectionUnit*©CopyrightbyARBURG/Nov.2006其他准则包括所用 材料 关于××同志的政审材料调查表环保先进个人材料国家普通话测试材料农民专业合作社注销四查四问剖析材料 的加工温度有些工程材料（如PEEK,PEI,LCP等）需要接近450摄氏度的加工温度料筒加热圈应使用陶瓷绝缘加热圈Furthercriteriafortheinjectionunitisthetemperaturerangeofmaterialtobeused.Somehightechnologyplastics(e.g.PEEK,PEI,LCP,etc)requiresatemperaturereleaseofthemachineupto450(~500)deg.C.Thereforetheplasticizingcylinderhastobeequippedwithceramicisolatedheaterbands.选择注射单元规格的准则CriteriatoSelecttheInjectionUnits*©CopyrightbyARBURG/Nov.2006选择注射单元规格的准则CriteriatoSelecttheInjectionUnits-注射控制的方式--conceptionsofinjectionregulation- 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 方式：注射闭环控制basicconfigurationinjectionregulation扩展方式（可选件）：螺杆精确定位extensionstage(option)positionregulationscrew(PRS)*©CopyrightbyARBURG/Nov.2006注射闭环控制的原理Functionprincipleoftheinjectionregulation选择注射单元规格的准则CriteriatoSelecttheInjectionUnits螺杆精确定位Positionregulatedscrew*©CopyrightbyARBURG/Nov.2006螺杆精确定位的原理Functionprincipleofthepositionregulatedscrew选择注射单元规格的准则CriteriatoSelecttheInjectionUnitsInjectioncontrol注射控制Positionregulatedscrew螺杆精确定位*©CopyrightbyARBURG/Nov.2006螺杆精确定位效果举例–微型齿轮Examplefortheefficiencyofthepositionregulatedscrewwithamicrogearwheel选择注射单元规格的准则CriteriatoSelecttheInjectionUnits*©CopyrightbyARBURG/Nov.20060,005ccm0,025ccm0,010ccm0,040ccm0,035ccm0,015ccm效果举例（改变进料量）Examplefortheefficiency(variationdosagevolume):选择注射单元规格的准则CriteriatoSelecttheInjectionUnits*©CopyrightbyARBURG/Nov.2006注射闭环控制与螺杆精确定位比较InjectionregulationincomparisonwithpositionregulationInjectionspeedcurvepressurecurveinjectionspeedscrewpositionpressurecurvepositionregulationpressurecurveinjectionregulation*©CopyrightbyARBURG/Nov.2006SELOGICA®控制器清楚显示动作顺序Transparentdisplayofthesequence*©CopyrightbyARBURG/Nov.2006使用曲线图像优化工艺过程，发现错误Processoptimizationthroughgraphicdisplayandidentificationoferrors设定压力过低机器不能调节注射速度Nominalinjectionpressuresettingtoolowmachinenoabletoregulateinjectionspeed设定压力过高如果产品没有顶出或浇口冷却，有损坏模具的危险Nominalinjectionpressuresettingtoohighriskofdamagemoldifonepartstickinginsidethemold,orincaseofcoldslugsSELOGICA®控制器*©CopyrightbyARBURG/Nov.2006使用曲线图像优化工艺过程，发现错误Processoptimizationthroughgraphicdisplayandidentificationoferrors此例中转压切换点1太早。此时模腔只有60–70%满而不是95%满。以后是由保压充模工艺不稳定，产品质量不稳定Inthisexample,thesetpoint(1)ofswitchoverintoholdingpressureistooearly.Withinjectionthepartisonly60-70%full,insteadof95%.Therestwillbefilledbyholdingpressure..unstableprocessandunstablepartquality1SELOGICA®控制器*©CopyrightbyARBURG/Nov.2006使用曲线图像优化工艺过程，发现错误ProcessoptimizationthroughgraphicdisplayandidentificationoferrorsSELOGICA®控制器正确的设定Goodsettings*©CopyrightbyARBURG/Nov.2006SELOGICA®控制器模具内压精密注塑的另一方面是模具内压。保压时模具内压的变化对产品质量，如尺寸，重量，内应力，有直接影响。MoldcavitypressureAsafurtheraspectforprecisionmoldingisthemoldcavitypressure.Theprogressofthepressureduringholdinghasadirectinfluenceofthepartqualitye.g.dimensions,partweightandstresses.1–injectionstart2–meltreachsensor3–cavityisvolumetricfilled(95-98%)3–4compressionphase4–highestcavitypressure5–gatesealoffpoint6–pressurereleasedMoldcavitypressureTime1-注射开始2–熔体达到感应器3–模腔充满（95-98%）3–4压缩段4–高压段5–浇口凝固点6–压力解除*©CopyrightbyARBURG/Nov.2006模腔压力Moldcavitypressure两种压力曲线类型twodifferentpressurecurvesSELOGICA®控制器无规型塑料amorphousplasticse.g.PS,ABS,PC,PMMA,PEI,PSU半结晶型塑料partiallycrystallineplasticse.g.PP,POM,PA,PEEK,,PBT,PETCavitypressureCavitypressureTimeTime*©CopyrightbyARBURG/Nov.2006内压测量原理压电式系统，Kistler,Priamus,…应变片式系统，Dynisco,…CavitypressuremeasuringprinciplesPiezo-electricsystemKistler,Priamus,…DMS(StrainGaugesystem)Dynisco直接测量directmeasurement间接测量indirectmeasurementSELOGICA®控制器1–moldcavity2–transmissionelement3–forcetransducer(measuringtongue)1–moldcavity2–pressuretransducer*©CopyrightbyARBURG/Nov.2006内压测量Cavitypressuremeasuring直接测量感应器安装位置SensorlocationsfordirectmeasuringSELOGICA®控制器*©CopyrightbyARBURG/Nov.2006机器控制器可显示模具内压力cavitypressureinmachinedisplaySELOGICA®控制器*©CopyrightbyARBURG/Nov.2006切换到保压的不同方法Switchoverpossibilitiesintoholdingpressure按照模腔内压viacavitypressure使用温度感应器（安装在模腔内最后填充点）viatemperaturesensor(placedatflowpathendinthemold)SELOGICA®控制器*©CopyrightbyARBURG/Nov.2006图像显示过程参数graphicaldisplayoftheprocessparameters根据实际测量值监视产品质量qualitymonitoringbasedonactualparametervaluespeakvaluemonitoringmonitoringwindowpeakvalueIntegralcalculationSELOGICA®控制器*©CopyrightbyARBURG/Nov.2006工艺参数和图像的监视MonitoringofprocessparametersandgraphicaldisplaySELOGICA®控制器*©CopyrightbyARBURG/Nov.2006曲线监视curvemonitoringSELOGICA®控制器*©CopyrightbyARBURG/Nov.2006产品质量记录QualitydocumentationSELOGICA®控制器*©CopyrightbyARBURG/Nov.2006用图像记录工艺参数测量值GraphicdisplayofprocessactualvaluesSELOGICA®控制器*©CopyrightbyARBURG/Nov.2006模具设计方面AspectofMouldDesign流道设计(特别是小产品)用冷流道流道长度取决于模具刚性和复杂程度必须选择足够的横截面积用热流道加热的流道增加材料滞留时间热流道需要足够的空间延长的喷嘴需要注意事项与热流道相同需要附加的加热圈SprueDesign(especiallysmallparts)Viacold-runnersystemSpruelengthistheresultfrommoldstabilityandmoldcomplexityThespruesectionmustbeselectedbigenoughViahot-runnersystemsHeatedspruechannelincreasesthedwelltimeProblemswithspaceViaextendednozzletipSameproblemlikewithhot-runnersystemsAdditionalheaterbandnecessary!*©CopyrightbyARBURG/Nov.2006模具设计方面AspectofMouldDesign排气Venting为避免飞边，排气间隙应不大于0.02–0.03mmTopreventflashformationgapmax.0.02-0.03mm*©CopyrightbyARBURG/Nov.2006模具设计方面AspectofMouldDesign研磨方向互相交叉排气容易,90%空气从分型面排出Easyventing.approx.90%ofairescapesoverpartingline空气可从整个模腔接触面排出Theaircanescapeoverthecompletecavityarea成本低Lowcosts1–分型面光洁度0.007–0.009mm1–partinglineroughness0.007–0.009mm2–模芯光洁度0.003–0.004mm2–cavityinsertroughness0.003–0.004mm*©CopyrightbyARBURG/Nov.2006排气槽Ventingchannel在流道终点或熔体相交处Attheendoftheflowpathorwherethemeltfrontsmeetstogether可随时开出Afterwardscreationpossible会积累脏物，需定时清理Problemsofdirtdepositionthusoftencleaning模具设计方面AspectofMouldDesign1–ventingchannel(0.01–0.02mm)*©CopyrightbyARBURG/Nov.2006溢流槽排气Overspillventing在流道终点或熔体相交处Attheendoftheflowpathorwherethemeltfrontsmeettogether排气效果好Goodventing防止熔合线Preventionfromweldlinesinthatarea需切掉余料Afterwardsremovalofoverspillchannel模具设计方面AspectofMouldDesign1–meetpointwithenclosedair2–injectionpoint3–overspillchannel(ventingthroughmeltfrontmeetpointshiftingintooverspillchannel*©CopyrightbyARBURG/Nov.2006模具设计方面AspectofMouldDesign对中系统centeringsystem对中系统centeringsystem*©CopyrightbyARBURG/Nov.2006模具设计方面AspectofMouldDesign对中系统centeringsystem*©CopyrightbyARBURG/Nov.2006模温控制MoldTemperatureControl模具温度直接影响产品质量的稳定性Themoldtemperaturehasadirectinfluenceofthereproduciblequalityofthemoldedparts.*©CopyrightbyARBURG/Nov.2006温度感应器安装于模具内利于优化控制模温机与机器通讯如模温机故障，机器停机整个系统内存水量少（3升），传热好，调节稳定模腔温度公差±1流量监视OptimalmoldtemperaturecontrolviaexternalsensorplacedinthemoldCommunicationfromtemperaturecontrolunittomachineincaseofmalfunctionproductionstop!Besttemperatureregulationthroughreductionofheattransfermediumtoapprox.3literinthecompleteunitsystem(notank).Cavitytemperaturetolerance±1deg.C.FlowcontrolMoldTemperatureControlExternalsensorControlconnectionsMachinecontrolMouldTemperaturecontrolunit*©CopyrightbyARBURG/Nov.2006冷却道布置方式ConnectionFormofCoolingChannels平行连接压力降小温度差小不易检查通道断路ParallelconnectionSmallpressuredropSmalltemperaturedifferenceDifficultmonitoringofblockage串联连接所有通道流量相同断路可能性小工作可靠性高检查容易（温度，流量）Serialconnectionsameconditionsforallchannelssmallriskofblockagehighprocesssecuritysimplemonitoring(flowrate,mouldtemperature)simpleconnections模具温度控制MoldTemperatureControl*©CopyrightbyARBURG/Nov.2006演讲结速，谢谢观赏！Thankyou.PPT常用编辑图使用方法1.取消组合2.填充颜色3.调整大小选择您要用到的图标单击右键选择“取消组合”右键单击您要使用的图标选择“填充”，选择任意颜色拖动控制框调整大小商务图标元素商务图标元素商务图标元素商务图标元素