13 Blow Molding -PPT（精）.ppt

13 Blow Molding -PPT（精）.ppt

《13 Blow Molding -PPT（精）.ppt》由会员分享，可在线阅读，更多相关《13 Blow Molding -PPT（精）.ppt（21页珍藏版）》请在冰豆网上搜索。

BlowMolding,MFG355,ExtrusionBlowMolding,BasicBlowMoldingExtrusionHead,CircularBlowMoldingMachine,ExtrusionBlowMolding,Parison,MoldOpen,MoldClosed,PressurizationofParison,CooledPart,MoldOpen,ExtrusionBlowMolding,Clickframetostartvideo,InjectionBlowMolding,Clickframetostartvideo,InjectionBlowMolding,PreformisinjectionmoldedPreformisplacedintheblowmoldingmachinePreformisheatedPreformispressurizedPartisremoved,PETPreform,MoldsandDies,Generaldieandmoldconsiderations（forinjectingthepreforms）ToolsteelMulticavity,PreformFormation,MaterialplacementStretchoptimization,GeneralMoldConsiderations（forthemoldinwhichthepartisblown）,BlowmoldingislowerpressurethatinjectionmoldingBlowmoldingmoldsdonthavethestrengthrequirementsAluminummoldsaremostcommonMachinedorcastVentingSymmetry,PreformsPlacedinMold,FormedBottles,OtherBlowMoldedParts,PhotoCourtesyofPhillipsPetroleumCompany,PlantConcepts,NoextensivecoolingneededScrapremovalandhandlingimportant,MaterialConsiderations,Mostthermoplasticscanbeblowmolded（intheory）HighmeltstrengthisnecessaryPolyolefinsaretheeasiesttoprocessPVCistemperaturesensitiveSomematerialsrequireCoblow-Molding,Shapes,BasicallyhollowTypicallyofacubicorcylindricalshapeBottles,barrels,tanks,ducts,trashcarts,flowerpots,doublewallcases（fortools）,andtoysCaremustbetakentonothavecornersthataretoothinThreadsforcapsaretypicallynotofthehighesttoleranceHandlescanbemadeusingpinchpointsinthemold,Shapes,ThankYou,