鑄造英文工藝

$number{01}CastingEnglishProcess目錄IntroductiontoCastingTechnologyCastingmaterialsCastingequipmentCastingprocessflowCastingdefectsandpreventivemeasuresThedevelopmenttrendandfutureprospectsofcastingtechnology01IntroductiontoCastingTechnologyCastingprocessisamanufacturingtechniquethatinvolvespoolingmorematerialintoamoldandallowingittosolidifytoformadesiredshapeItiswidelyusedinvariousindustries,suchasautomotive,aerospace,andheavymachinerymanufacturingDefinitionofCastingProcessVSAccordingtothetypeofmoldingmaterial,castingprocessescanbedividedintosandcasting,diecasting,investmentcasting,andlosswallcastingAccordingtothetypeofmoltenmaterial,castingprocessescanbedividedintometalcastingandnonmetalcastingClassificationofCastingProcesses01Castingtechnologyissuitableformanufacturingcomplexshapesthatcannotbeeasilymachinedorforced02Itiswidelyusedintheproductionofengineblocks,cylinderheads,transmissioncases,andothercomponentsintheautomotiveindustry03Intheaerospaceindustry,castingtechnologyisusedtoproducecomponentsthatrequirehighstrengthandlightweightproperties,suchasturbinebladesandcompressordisksApplicationofCastingTechnology02CastingmaterialsAccordingtotheuseAccordingtothechemicalcompositionAccordingtothemicrostructureClassificationofCastingMaterialsgeneralcasting,precisioncasting,investmentcasting,ceramiccasting,andothercastingCastiron,caststeel,castnonferrousmetal,andcastcompositematerialgraycastiron,malleablecastiron,ductcastiron,highstrengthhighrigiditycastiron,andothercastiron;Whitecastiron;Copper,aluminumandotherunrelatedmetalcasting;AlloysteelcastingGoodfluidandfillingabilityThemoltenmetalhasgoodfluidandfillingabilitytoensurethatthecastingcanbefilledwiththemoldcavitycompletelyandevenThemoltenmetalcanbequicklycooledandsolidifiedinthemoldtoshortentheproductioncycleThepriceofcastingmaterialsisgenerallylowerthanthatofforcedmaterialsThecastingmaterialshavegoodmachineryandweldabilityGoodthermalconductivityReasonablepriceGoodprocessingperformanceCharacteristicsofCastingMaterialsSelectionofCastingMaterialsConsiderationofphysicalpropertiesThecastingmaterialshouldhavegoodfluid,thermalconductivity,compressivestrength,andotherphysicalpropertiesConsiderationofeconomicfactorsThecostofcastingmaterialsshouldbereasonable,andthepriceshouldbecompetitiveConsiderationofprocessingrequirementsThecastingmaterialshouldhavegoodmachinery,weldingability,andcorrosionresistanceConsiderationofuserequirementsThecastingmaterialshouldmeettherequirementsofuseenvironment,usetemperature,pressure,andotherconditions03Castingequipment123SandcastingequipmentVibratorsThesedevicesareusedtocompactthesandandensureatightfitinthemoldboxSandCastingMachineAmachineusedtocreatemoldsforcastingIthasahoppertostoresandandamixertoblendsandwithothermaterialsMoldBoxesThesearethecontainerswherethesandispackedtocreatethemoldTheycomeindifferentsizesandshapesdependingonthecastingbeingmadeToolsusedtocreatepatternsforthemoldsTheycanbemadeofwood,plastic,ormetaldependentonthematerialbeingcastPatternMakersSpecialtoolsusedtocreatecoresthatareplacedinsidethemoldtocreatehollowareasinthecastingCoreMakersToolsusedtocutoffthesprue,whichistheexcessmaterialleftafterpoolingthemoltenmetalintothemoldSprueCuttersSpecialcastingequipmentMaintenanceandupkeepofcastingequipmentRegularcleaningTheequipmentshouldbecleanedaftereachusetoremoveanyresidualsandordebrisRepairandreplacementIfanypartsoftheequipmentaredamagedorworn-out,theyshouldberepairedorreplacedpromptlyInspectionsRegularinspectionsshouldbeconductedtocheckforanydamageorwearontheequipmentStorageWhennotinuse,theequipmentshouldbestoredinacleananddryplacetopreventcorrosionanddamage04CastingprocessflowDeterminecastingtype01Selecttheappropriatecastingtypebasedonproductrequirementsandproductionconditions,suchassandcasting,metalcasting,etc.Determineprocessplan02Designareasonableprocessplanbasedonproductstructureandproductionrequirements,includingpouringsystem,riser,coldiron,etc.Determineprocessparameters03Basedonmaterialcharacteristicsandproductrequirements,determineappropriateprocessparameterssuchaspouringtemperature,moldtemperature,etc.CastingprocessdesignSelectmoldingmaterialsBasedonthecastingtypeandproductrequirements,choosesuitablemoldingmaterialssuchassand,paint,etc.PreparestylingmaterialsConductqualityinspectionsontheselectedstylingmaterialstoensuretheymeetproductionrequirements,andperformnecessarytreatmentssuchasdrying,mixing,etc.SelectionandpreparationofshapingmaterialsBasedonproductdrawingsandprocessrequirements,designareasonablemoldstructuretoensurethattheproductsizeandshapemeettherequirements.Accordingtothemolddesigndrawings,useappropriateprocessingmethodstomanufacturethemold,ensuringthatthemoldaccuracyandsurfacequalitymeettherequirements.MolddesignMoldmanufacturingMoldDesignandManufacturingMeltingSelectappropriatemeltingequipment,materials,andprocessesbasedonproductrequirementsandcastingprocessestoensurethatthequalityofthemoltenmetalmeetstherequirements.PouringPourthemeltedmetalliquidintothemold,controlthepouringspeedandtemperature,andensurethatthemetalliquidisfullyfilled.MeltingandpoolingRemoveimpuritiessuchasstickysandandcoresandfromthesurfaceofcastingstoensurethesurfacequalityofcastings.CleaningAccordingtoproductandprocessrequirements,heattreatment,mechanicalprocessingandotherpost-treatmentsarecarriedoutoncastingstoimproveproductqualityandperformance.HeattreatmentandmechanicalprocessingPosttreatmentofcastings05CastingdefectsandpreventivemeasuresInclusionsWarpageSurfaceDefectsShrinkageDefectsTypesofcastingdefects01020304FormationofforeignmatterorgasbubblesinthecastingDistortionofthecastingduetounforeseencoolingorthermalexpansionAccidentsduetothesolidificationofmetal,leadingtointernalstressesandvoicesIrregularitiesonthesurfaceofthecasting,suchasscratches,pits,orcracksPropMoldsandCoresUsehighqualitymoldsandcorestoensureaccurateshapeanddimensionsSelectmaterialsthataresuitableforthecastingprocessandhavegoodfluidControlthetemperature,pressure,andpoolingspeedtoensureevenfillingofthemoldApplyinoculantsorceramiccoatingstomoldstoimprovesurfacequalityandreducesurfacedefectsPropertyMaterialSelectionPropertyProcessingConditionsInoculationandCeramicCoatingPreventivemeasuresforcastingdefectsVisualInspectionInspectthecastingvisuallyforsurfaceanddimensionaldefectsDestructiveTestingPerformdestructivetestingonarepresentativesampletoconfirmthenatureandextentofdefectsRepairMethodsRepaircastingdefectsusingmethodssuchasgrinding,welding,orfillingwithpatchingmaterialsNonDestructiveTestingUsetechniquessuchasultrasonictestingormagneticparticleinspectiontodetectinternaldefectsDetectionandrepairofcastingdefects06ThedevelopmenttrendandfutureprospectsofcastingtechnologyThedevelopmenttrendofcastingtechnologyInnovationinMaterials:Researchersareexploringnewcastingmaterialsthatarestrong,lighter,andmoredurable,suchastitaniumalloysandhighstrengthsteelAdvancedComputerSimulation:Advancedcomputationalfluiddynamics(CFD)andfinalelementanalysis(FEA)techniquesarebeingusedtopredictcastingbehaviorandoptimizecastingdesignEnvironmentallyFriendlyMethods:Inresponsetoenvironmentalconcerns,castingprocessesarebecomi