模具高速铣削加工技术--------外文翻译.docx
MoldhighspeedmillingprocessingtechnologyTheabstractIntroducedthehighspeedmillinginthemoldprocessingapplicationaswellastheinfluence,andbriefintroductionhighspeedmillingenginebedstructure,controlsystemandcuttingtool.Hascarriedonthesimpleanalysistothehighspeedprocessingcraft.Keywordhighspeedmilling;moldprocessingFirst,forewordInthemodernmoldproduction,alongwithtomodelsartisticandthefunctionmustobtainmoreandmorehigh,modelstheinternalstructuretodesignmoreandmorecomplex,themoldcontourdesigndaybydayisalsocomplex,thefreecurvedsurfaceaccountsfortheproportiontoincreaseunceasingly,thecorrespondingmoldstructurealsodesignsmoreandmorecomplex.Theseallsetahigherrequesttothemoldprocessingtechnology,notonlyshouldguaranteethehighmanufactureprecisionandthesurfacequality,moreovermustpursuetheprocessingsurfaceartistic.Alongwithisunceasinglythoroughtothehighspeedprocessingengineeringresearch,isprocessingtheenginebed,thenumericalcontrolsystem,thecuttingtoolsystem,CAD/especiallyCorrelationtechnologyandsoonCAMsoftwaredevelopsunceasinglyundertheimpetus,highspeedprocessesthetechnologymoreandmoremanytoapplyinthemoldcavityprocessingandthemanufacture.Thenumericalcontrolhigh-speedcuttingprocessingtookinthemoldmanufactureamostimportantadvancedmanufacturetechnology,isthecollectionishighlyeffective,highquality,thelowconsumptioninabodyadvancedmanufacturetechnology.Isoppositeinthetraditionalmachining,itscuttingspeed,enteredtothespeedhadtheverybigenhancement,moreovercutthemechanismnottobesame.Thehigh-speedcuttingcausedthemachiningtohavetheleap,itsspecificpowermetalexcisionrateenhanced30%40%,thecuttingforcereduced30%,thecuttingtoolworkingdurabilityenhanced70%,remainedhotlylargescalereducesintheworkpiececutting,thelowstepshuddervanishednearly.Alongwiththecuttingspeedenhancement,unittimesemifinishedmaterialsmaterialremovingrateincreased,thecuttingtimereduced,theprocessingefficiencyenhanced,thusreducedtheproductmanufacturecycle,enhancedtheproductmarketcompetitivepower.Atthesametime,thehighspeedprocessingsmallamountenteredquicklycausesthecuttingforcetoreduce,thescraphighspeeddischargedreducedtheworkpiececuttingforceandthethermalloaddistorts,enhancestherigiditytobebadandthethinwallcomponentsmachiningpossibility.Becausecuttingforcereducing,therotationalspeedenhancementcausesthecuttingsystemtheoperatingfrequencytobefarawaytheenginebedthelowstepnaturalfrequency,buttheworkpiecesurfaceroughnessismostsensitivetothelowstepfrequency,fromthisreducedthesurfaceroughness.Inmoldhighhardsteelstock(HRC45HRC65)intheprocessingprocess,usesthehigh-speedcuttingtobepossibletosubstitutefortheworkingprocedurewhichtheelectricalfinishingandrubstruncatespolishes,thushasavoidedtheelectrodemanufactureandthetime-consumingelectricalfinishing,largescalereducedfitter,spolishingwithtothrowthelightquantity.Thinwal1moldworkpiecemoreandmoreneedswhichregardingsomemarketsin,thehighspeedmillingalsomaysmoothlycomplete,moreoverinthehighspeedmillingCNCprocessingcenter,amoldattireclampsmaycompletethemultiplexstepofprocessing.Thehighspeedprocessingtechnologyhashadthehugeinfluencetothemoldprocessingcraft,changedthetraditionalmoldprocessingtousezztheannealing-*millingprocessingfheattreatment-*torubtruncates'7or"theelectricsparkmachiningfmanuallypolishes,polishes"andsoonthecomplexlongtechnicalprocess,evenmightusethehigh-speedcuttingprocessingsubstitutionoriginalcompleteworkingprocedure.Thehighspeedprocessingtechnologybesidesmayapplyinthehardmoldcavitydirectprocessing(inparticularhalfprecisionworkandprecisionwork),inEDMaspectandsoonelectrodeprocessing,fasttypemanufacturealsoobtainedthewidespreadapplication.Themassproductionspracticeindicatedthat,theapplicationhigh-speedcuttingtechnologymaysaveinthemoldfollowingprocessing80%handworktogrindthetimeapproximately,savestheprocessingcostexpensenearly30%,themoldfaceworkprecisionmayreach1m,thecuttingtoolcuttingefficiencymayenhanceonetime.Second,highspeedmillingprocessingenginebedThehigh-speedcuttingtechnologyisoneofmachiningtechnologymaindevelopmentdirections,italongwithfoundationtechnologytheandsoonCNCtechnology,microelectronictechnology,newmaterialandnewstructuredevelopmentbutstepsahigherstair.Becausethemoldprocessesparticularaswellashighspeedprocessingtechnologyowncharacteristic,(processedenginebed,numericalcontrolsystem,cuttingtooltothemoldhighspeedprocessingrelatedtechnologyandthecraftsystemandsoon)proposedprocessedahigherrequestcomparedtothetraditionalmold.1. HighstableenginebedstrutpartThehigh-speedcuttingenginebedlathebedandsoonsupportstheparttobesupposedtohaveverywellmoves,thestaticrigidity,hotrigidityandbestdampingcharacteristic.Themajorityofenginebedsallusehighgrade,thehighrigidityandGaoKangzhangthegrayirontookthestrutpartmaterial,someenginebedcompaniesalsoincreasethehighdampingcharacteristicinthefoundationpolymerconcrete,byincreasesitsvibration-proofandthethermostability,thisnotonlymayguaranteetheenginebedprecisionisstable,alsomaypreventwhencuttingthecuttingtoolinspirestrembles.Usestheenclosedlathebeddesign,theoverallcasti