水桶注塑模设计说明书1907

1计2345Wildfire4.067塑件的结构分析表注塑机参数m00mm68择浇口结构形式的选择9寸的确定表直浇口主流道参考尺寸dd3d4DD6D8的设计表主流道直径参考表0~2030.520~404140~15051150~30062300~50082500~1500102图主流道的几何关系图模具主视图顶出系统设计yu表模板各部分主要结构尺寸择仿真加工骤参考资料2003-7.174-175.2002-9.2000-10.2005-4.致谢Pro/E、Cimatron,Secretofsuccessfulthin-wallmoldinghavingawallthicknesslessthan1mm.forlargeautomotiveparts,ngtimes,andmodificationtopart-ejectionandgatingarrangements.TheseprocesschangeshaveinturnpromptednewrationsinmoldmachineryandpartdesignMachineryconsiderationsStandardmoldingmachinerycanbeusedformanythin-wallthinnerparts.than0.5secandinjectionpressuresgreaterthan30,000pertydegradation.Fasterfillingandhigherarerequiredtodrivemoltenthermoplasticislessmaterialtocool.Cycletimescandropby50%withaggressivemHotrunnersandheatedspruebushingsareoftenusedinthin-wallmoldingtohelpminimizecycletime.inconventionalapplications,butduetothehigherpressuresofmoldwearwheninjectedintothecavityathighspeeds.]Infact,thethin-wallapproachisfrequentlyusedtosavemoneyonbebuilt,therebysavingmoneyoverthelifeofaprogram.Herearesomemoretipsontooldesignforthinwalls:Foraggressivethin-wallapplications,usesteelharderthanP20,especiallywhenhighwearanderosionareexpected.H-13andD-2steelshavebeensuccessfulingateinserts.Moldinterlockssometimescanstaveoffflexingandmisalignment.breakage.tiesandspruepinpushing.Considerstrategicplacementofsleeveandbladeknockouts.InjectionMoldingTroubleshooterAvoidPitfallsinMulti-MaterialingTheseconditionscanoccurwhetherthematerialscombinationsisandregrind,pigmentedandunpigmented,etc.subjectthatcannotbeexploredthoroughlyinashortarticle.Thethemoreimportantfactorsbearabriefdiscussion.dtemperaturesoft,thesecondmaterialcancompressandflashoverthefirstonmachineoneandinsertingitintothemoldofthesecondhrotatingtable.Evenwhenusingcompatiblematerials,thedelaytimetobetoocold.Ahigherparttemperatureisrecommendedforbetteraffected.Apartfromprocessconditions,materialchoice