《汽车模具工程项目案例》共五项（英文版本）.docx

MicrolectureDesignScriptSchoolName:Correspondingmajor:Coursename:MicrolectureIntroductiontotheTechnologicalWorkflowofAutomobileTitle:MoldCoveringPartsProducer:MicrolectureDesignScriptTeachingsegmentsScreenVoiceover(210charactersperminute)Screen1:PPTTeacheronscreen>Appearsthemaintitle:IntroductiontotheTechnologicalWorkflowofAutomobileMoldCoveringPartsVoice1:Inthecurrentboomingdevelopmentoftheautomotiveindustry,automobilemoldcoveringpartscanbecalledthekeycornerstoneofautomobileappearanceandperformance.Fromthepassengercarsweshuttlethroughcitystreetseverydaytothelightning-fastsportscars,behindthestunningappearanceofeachautomobileisthepreciseshapingofautomobilemoldcoveringparts.Automobilemoldcoveringpartsnotonlydeterminetheoverallstylingofautomobiles,givingthemuniquelinesandstreamlinedcontours,butalsorelatetotheaerodynamicperformance,safetycapabilities,andthecomplexityofmanufacturingtechniquesofautomobiles.Theyarelikethe“clothing“ofautomobiles,needingbothanattractive"appearance"andoutstanding"intrinsicqualities”.So,howexactlydosuchimportantautomobilemoldcoveringpartstransformstepbystepfromtheinitialdesignconcepttophysicalobjects?Next,let,sdelveintothetechnologicalworkflowofautomobilemoldcoveringpartsandunveilthemysteriousveilbehindtheirprecisemanufacturing.I.CourseIntroductionScreen2:Video> Appearsthesubtitle:Design> Playthevideoalongwiththevoiceover:> Video:Lastepisode-AutomobileCoveringPartVoice2:Firstofall,thetechnologicalworkflowofautomobilemoldcoveringpartsisacomplexandmeticulousprocess,coveringmultiplesegmentsfromdesigntoprocessingCNCprogramming,thentoassemblyanddebugging.Thefollowingisadetaileddescriptionofthisworkflow:PartI.DesignThedesignofautomobilemoldcoveringpartsisthestartingpointoftheentireworkflow.Atthisstage,designerswilluseprofessionaldesignsoftware(suchasCATIA,UG,etc.)toperform3Dmodelinganddetaileddesignaccordingtotheoverallstylingandfunctionalrequirementsoftheautomobile.Thedesigncontentincludestheshape,dimensions,materialselectionofthecoveringparts,andthefittingmethodswithothercomponents.Afterthedesigniscompleted,detaileddesigndrawingsanddigitalmodelswillbegeneratedtoprovideanaccuratebasisforsubsequentprocessingandmanufacturing.Case:UGAutomobileLargeCastingContinuousMoldStructureDesignBilibilibilibili(Videomuted,playthevideoalongwiththevoiceover,videoclip00:00-1:30) Appearsthetext: Designcontentincludes: Shape Dimensions Material FittingmethodswithothercomponentsII.ExplanationofScreen3:PPTVoice3:CoreKnowledgePoints Appearsthesubtitle:ProcessingCNCProgramming Appearsthetext: Softwareadoptionandprogramming:Theprogrammingcontentincludesplanningthecuttingtoolpaths,settingcuttingparameters,andarrangingtheprocessingsequence,etc. Technicallayout:Theprocessingparametersandcuttingtoolselectionforeachstageneedtobeaccuratelycalculatedandoptimizedaccordingtothematerial,shape,anddimensionsofthecoveringparts. Cuttingtoolselectionandprocessing:Duringtheprocessingprocess,itisnecessarytostrictlycontrolparameterssuchascuttingspeed,feedrate,andcuttingdepthtoensureprocessingqualityandefficiency. Processingqualitycontrol:Thisincludesusingtestinginstrumentstomeasureandanalyzethedimensions,shape,andsurfaceroughnessoftheprocessedsurfaces,aswellastimelydiscoveringandhandlingabnormalPartII.ProcessingCNCProgrammingProcessingCNCprogrammingisakeysegmentinthemanufacturingofautomobilemoldcoveringparts.Itinvolvesconvertingdesigndrawingsanddigitalmodelsintoprocessinginstructionsthatmachinetoolscanidentify,therebyachievingpreciseprocessingofthecoveringparts.Thisprocessmainlyincludesthefollowingsteps:Softwareadoptionandprogramming:AdoptprofessionalCNCprogrammingsoftware(suchasMastercam,HyperMill,etc.)toperformprogrammingbasedondesigndrawingsanddigitalmodels.Theprogrammingcontentincludesplanningthecuttingtoolpaths,settingcuttingparameters,andarrangingtheprocessingsequence,etc.Technicallayout:Performareasonabletechnicallayoutoftheprocessingsurfacesofthecoveringparts,includingstagessuchasroughprocessing,semi-finishing,andfinishing.Theprocessingparametersandcuttingtoolselectionforeachstageneedtobeaccuratelycalculatedandoptimizedaccordingtothematerial,shape,anddimensionsofthecoveringparts.Cuttingtoolselectionandprocessing:Selectappropriatecuttingtools(suchasballendmills,cornersituationsduringtheprocessingprocess.roundingcutters,endmillingcutters,etc.)accordingtotheshapeoftheprocessingsurfacesandprocessingrequirements.Duringtheprocessingprocess,itisnecessarytostrictlycontrolparameterssuchascuttingspeed,feedrate,andcuttingdepthtoensureprocessingqualityandefficiency.Processingqualitycontrol:Duringtheprocessingprocess,itisnecessarytomonitorandtesttheprocessingqualityinrealtime.Thisincludesusingtestinginstrumentstomeasureandanalyzethedimensions,shape,andsurfaceroughnessoftheprocessedsurfaces,aswellastimelydiscoveringandhandlingabnormalsituationsduringtheprocessingprocess.Screen4:PPT