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中英文翻译高速切削加工的发展及需求.doc

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中英文翻译高速切削加工的发展及需求.doc

翻译部分英文原文HIGHSPEEDMACHININGANDDEMANDFORTHEDEVELOPMENTOFHIGHSPEEDMACHININGISCONTEMPORARYADVANCEDMANUFACTURINGTECHNOLOGYANIMPORTANTCOMPONENTOFTHEHIGHEFFICIENCY,HIGHPRECISIONANDHIGHSURFACEQUALITY,ANDOTHERFEATURESTHISARTICLEPRESENTSTHETECHNICALDEFINITIONOFTHECURRENTSTATEOFDEVELOPMENTOFCHINASAPPLICATIONFIELDSANDTHEDEMANDSITUATIONHIGHSPEEDMACHININGISORIENTEDTOTHE21STCENTURYANEWHIGHTECH,HIGHEFFICIENCY,HIGHPRECISIONANDHIGHSURFACEQUALITYASABASICFEATURE,INTHEAUTOMOBILEINDUSTRY,AEROSPACE,DIEMANUFACTURINGANDINSTRUMENTATIONINDUSTRIESGAINEDINCREASINGLYWIDESPREADAPPLICATION,ANDHASMADESIGNIFICANTTECHNICALANDECONOMICBENEFITSCONTEMPORARYADVANCEDMANUFACTURINGTECHNOLOGYANIMPORTANTCOMPONENTPARTHSCISTOACHIEVEHIGHEFFICIENCYOFTHECORETECHNOLOGYMANUFACTURERS,INTENSIVEPROCESSESANDEQUIPMENTPACKAGEDSOTHATITHASAHIGHPRODUCTIONEFFICIENCYITCANBESAIDTHATTHEHIGHSPEEDMACHININGISANINCREASEINTHEQUANTITYOFEQUIPMENTSIGNIFICANTLYIMPROVEPROCESSINGEFFICIENCYESSENTIALTOTHETECHNOLOGYHIGHSPEEDMACHININGISTHEMAJORADVANTAGESIMPROVEPRODUCTIONEFFICIENCY,IMPROVEACCURACYANDREDUCETHEPROCESSINGOFCUTTINGRESISTANCETHEHIGHSPEEDMACHININGOFMEANING,ATPRESENTTHEREISNOUNIFORMUNDERSTANDING,THEREAREGENERALLYSEVERALPOINTSASFOLLOWSHIGHCUTTINGSPEEDUSUALLYFASTERTHANTHATOFTHEIRNORMALCUTTING510TIMES;MACHINETOOLSPINDLESPEEDHIGH,GENERALLYSPINDLESPEEDIN20000R/MINABOVE10,000FORHIGHSPEEDCUTTING;FEEDATHIGHVELOCITY,USUALLY1550M/MINUPTO90M/MIN;FORDIFFERENTCUTTINGMATERIALSANDTHEWIRINGUSEDTHETOOLMATERIAL,HIGHSPEEDCUTTINGTHEMEANINGISNOTNECESSARILYTHESAME;CUTTINGPROCESS,BLADEDTHROUGHFREQUENCYTOOTHPASSINGFREQUENCYCLOSERTOTHEMACHINETOOLWORKPIECESYSTEMTHEDOMINANTNATURALFREQUENCYDOMINANTNATURALFREQUENCY,CANBECONSIDEREDTOBEHIGHSPEEDCUTTINGVISIBILITYHIGHSPEEDMACHININGISACOMPREHENSIVECONCEPT1992GERMANY,THEDARMSTADTUNIVERSITYOFTECHNOLOGY,PROFESSORHSCHULZINTHE52THONTHEINCREASEOFHIGHSPEEDCUTTINGFORTHECONCEPTANDTHESCOPE,ASSHOWNINFIGURE1THINKDIFFERENTCUTTINGTARGETS,SHOWNINTHEFIGUREOFTHETRANSITIONAREATRANSITION,TOBEWHATISCOMMONLYCALLEDTHEHIGHSPEEDCUTTING,THISISALSOTHETIMEOFMETALCUTTINGPROCESSRELATEDTOTHETECHNICALSTAFFARELOOKINGFORWARDTO,ORISEXPECTEDTOACHIEVETHECUTTINGSPEEDHIGHSPEEDMACHININGOFMACHINETOOLS,KNIVESANDCUTTINGPROCESS,ANDOTHERASPECTSSPECIFICREQUIREMENTSSEVERALWEREFROMTHEFOLLOWINGASPECTSHIGHSPEEDMACHININGTECHNOLOGYDEVELOPMENTSTATUSANDTRENDSATTHISSTAGE,INORDERTOACHIEVEHIGHSPEEDMACHINING,GENERALWIRINGWITHHIGHFLEXIBILITYOFHIGHSPEEDCNCMACHINETOOLS,MACHININGCENTERS,BYUSINGADEDICATEDHIGHSPEEDMILLING,DRILLINGTHESEEQUIPMENTINCOMMONISWEMUSTALSOHAVEHIGHSPEEDANDHIGHSPEEDSPINDLESYSTEMFEEDINGSYSTEM,CUTTINGCANBEACHIEVEDINHIGHSPEEDPROCESSHIGHSPEEDCUTTINGWITHTHETRADITIONALCUTTINGTHEBIGGESTDIFFERENCEISTHATMACHINETOOLWORKPIECETHEDYNAMICCHARACTERISTICSOFCUTTINGPERFORMANCEISSTRONGERINFLUENCEINTHESYSTEM,THEMACHINESPINDLESTIFFNESS,GRIPORFORM,ALONGKNIFESET,SPINDLEBROACH,TORQUETOOLSET,PERFORMANCEHIGHSPEEDIMPACTAREIMPORTANTFACTORSINTHEHIGHSPEEDCUTTING,MATERIALREMOVALRATEMETALREMOVALRATE,MRR,UNITTIMETHATTHEMATERIALWASREMOVEDVOLUME,USUALLYBASEDONTHEMACHINETOOLWORKPIECEWHETHERPROCESSINGSYSTEMCHATTERTHEREFORE,INORDERTOSATISFYTHEHIGHSPEEDMACHININGNEEDS,WEMUSTFIRSTIMPROVETHESTATICANDDYNAMICSTIFFNESSOFMACHINESPINDLEISPARTICULARLYTHESTIFFNESSCHARACTERISTICSHSCREASONATTHISSTAGETOBESUCCESSFUL,AVERYCRUCIALFACTORISTHEDYNAMICCHARACTERISTICSOFTHEMASTERANDPROCESSINGCAPABILITYINORDERTOBETTERDESCRIBETHEMACHINESPINDLESTIFFNESSCHARACTERISTICSOFTHEPROJECTPRESENTEDNEWDIMENSIONLESSPARAMETERDNVALUE,USEDFORTHEEVALUATIONOFTHEMACHINETOOLSPINDLESTRUCTUREONTHEHIGHSPEEDMACHININGOFADAPTABILITYDNVALUEOFTHESOCALLEDAXISDIAMETERPERMINUTESPEEDWITHTHEPRODUCTTHENEWLYDEVELOPEDSPINDLEMACHININGCENTERDNVALUESHAVEBEENGREATOVERONEMILLIONTOREDUCETHEWEIGHTBEARING,BUTALSOWITHANARRAYOFSTEELPRODUCTSTHANTOTHEMUCHMORELIGHTCERAMICBALLBEARINGS;BEARINGLUBRICATIONMOSTIMPRESSIVEMANNERMIXEDWITHOILLUBRICATIONMETHODSINTHEFIELDOFHIGHSPEEDMACHININGHAVEAIRBEARINGSANDTHEDEVELOPMENTOFMAGNETICBEARINGSANDMAGNETICBEARINGSANDAIRBEARINGSCOMBINEDCONSTITUTETHEMAGNETICGAS/AIRMIXINGSPINDLEFEEDTHEMACHINESECTOR,HIGHSPEEDMACHININGUSEDINTHEFEEDDRIVEISUSUALLYLARGERLEAD,MULTIPLEHIGHSPEEDBALLSCREWANDBALLARRAYOFSMALLDIAMETERSILICONNITRIDESI3N4CERAMICBALL,TOREDUCEITSCENTRIFUGALANDGYROSCOPICTORQUE;BYUSINGHOLLOWCOOLINGTECHNOLOGYTOREDUCEOPERATINGATHIGHSPEEDBALLSCREWASTEMPERATUREGENERATEDBYTHEFRICTIONBETWEENTHELEADSCREWANDTHERMALDEFORMATIONINRECENTYEARS,THEUSEOFLINEARMOTORDRIVENHIGHSPEEDSYSTEMOFUPTOSUCHFEEDSYSTEMHASREMOVEDTHEMOTORFROMWORKSTATIONSTOSLIDEINTHEMIDDLEOFALLMECHANICALTRANSMISSIONLINKS,IMPLEMENTATIONOFMACHINETOOLFEEDSYSTEMOFZEROTRANSMISSIONBECAUSENOLINEARMOTORROTATINGCOMPONENTS,FROMTHEROLEOFCENTRIFUGALFORCE,CANGREATLYINCREASETHEFEEDRATELINEARMOTORANOTHERMAJORADVANTAGEOFTHETRIPISUNRESTRICTEDTHELINEARMOTORISAVERYTIMEFORACONTINUOUSMACHINESHOPINPOSSESSIONOFTHEBEDRESURFACINGOFTHEVERYMEETINGWHEREAVERYEARLYSTAGEMOVEMENTCANGO,BUTTHEWHOLESYSTEMOFUPTOTHESTIFFNESSWITHOUTANYINFLUENCEBYUSINGHIGHSPEEDSCREW,ORLINEARMOTORCANGREATLYENHANCEMACHINESYSTEMOFUPTOTHERAPIDRESPONSETHEMAXIMUMACCELERATIONLINEARMOTORSUPTO210GGFORTHEACCELERATIONOFGRAVITY,THELARGESTFEEDRATEOFUPTO60200M/MINORHIGHER2002WORLDRENOWNEDSHANGHAIPUDONGMAGLEVTRAINPROJECTOFMAGLEVTRACKSTEELPROCESSING,USINGTHESHENYANGMACHINETOOLGROUPHOLDINGSLIMITEDMCNAIRFRIENDSHIPCOMPANYPRODUCTIONPLANTSINTOEXTRALONGHIGHSPEEDSYSTEMFORLARGESCALEPROCESSINGCENTERSACHIEVETHEMACHINEFEEDINGSYSTEMFORTHELINEARGUIDEANDRACKGEARDRIVE,THELARGESTTABLEFEEDRATEOF60M/MIN,QUICKTRIPOF100M/MIN,2GACCELERATION,MAXIMUMSPEEDSPINDLE20000R/MIN,THEMAINMOTORPOWER80KWXAXISDISTANCEOFUPTO30M,25MCUTTINGLONGMAGLEVTRACKSTEELERRORISLESSTHAN015MMMAGLEVTRAINSFORTHESMOOTHCOMPLETIONOFTHEPROJECTPROVIDEDASTRONGGUARANTEEFORTECHNOLOGYINADDITION,THECAMPAIGNMACHINEPERFORMANCEWILLALSODIRECTLYAFFECTTHEPROCESSINGEFFICIENCYANDACCURACYOFPROCESSINGMOLDANDTHEFREESURFACEOFHIGHSPEEDMACHINING,THEMAINWIRINGWITHSMALLCUTDEEPINTOMETHODSFORPROCESSINGMACHINEREQUIREMENTSINTHEFEEDRATECONDITIONS,SHOULDHAVEHIGHPRECISIONPOSITIONINGFUNCTIONSANDHIGHPRECISIONINTERPOLATIONFUNCTION,ESPECIALLYHIGHPRECISIONARCINTERPOLATIONARCPROCESSINGISTOADOPTLEGISLATIONORTHREADMILLINGCUTTERMOLDORMACHININGPARTS,THEESSENTIALPROCESSINGMETHODSCUTTINGTOOLSTOOLMATERIALDEVELOPMENTHIGHSPEEDCUTTINGANDTECHNOLOGICALDEVELOPMENTOFTHEHISTORY,TOOLMATERIALISCONTINUOUSPROGRESSOFHISTORYTHEREPRESENTATIONOFHIGHSPEEDCUTTINGTOOLMATERIALISCUBICBORONNITRIDECBNFACEMILLINGCUTTERUSEOFCBN,ITSCUTTINGSPEEDCANBEASHIGHAS5000M/MIN,MAINLYFORTHEGRAYCASTIRONMACHININGPOLYCRYSTALLINEDIAMONDPCDHASBEENDESCRIBEDASATOOLOFTHE21STCENTURYTOOL,ITISPARTICULARLYAPPLICABLETOTHECUTTINGALUMINUMALLOYCONTAININGSILICAMATERIAL,WHICHISLIGHTWEIGHTMETALMATERIALS,HIGHSTRENGTH,WIDELYUSEDINTHEAUTOMOBILE,MOTORCYCLEENGINE,ELECTRONICDEVICESSHELL,THEBASE,ANDSOONATPRESENT,THEUSEOFPOLYCRYSTALLINEDIAMONDCUTTERFACEMILLINGALLOY,5000M/MINTHECUTTINGSPEEDHASREACHEDAPRACTICALLEVELINADDITIONCERAMICTOOLALSOAPPLIESTOGRAYIRONOFHIGHSPEEDMACHINING;TOOLCOATINGCBNANDDIAMONDCUTTER,DESPITEGOODHIGHSPEEDPERFORMANCE,BUTTHECOSTISRELATIVELYHIGHUSINGTHECOATINGTECHNOLOGYTOMAKECUTTINGTOOLISTHELOWPRICE,WITHEXCELLENTMECHANICALPROPERTIES,WHICHCANEFFECTIVELYREDUCETHECOSTNOWHIGHSPEEDPROCESSINGOFMILLINGCUTTER,WITHMOSTOFTHEWIRINGBETWEENTHETIA1NCOMPOSITETECHNOLOGYFORTHEWAYOFMULTIPROCESSING,IFPRESENTINTHENONFERROUSMETALORALLOYMATERIALDRYCUTTING,DLCDIAMONDLIKECARBONCOATINGONTHECUTTERWASOFGREATCONCERNITISEXPECTEDTHATTHEMARKETOUTLOOKISVERYSIGNIFICANT;TOOLCLAMPINGSYSTEMTOOLCLAMPINGSYSTEMTOSUPPORTHIGHSPEEDCUTTINGISANIMPORTANTTECHNOLOGY,CURRENTLYTHEMOSTWIDELYUSEDISATWOFACEDTOOLCLAMPINGSYSTEMHASBEENFORMALLYINVESTEDASACOMMODITYMARKETATTHESAMECLAMPINGTOOLSYSTEMAREHSK,KM,BIGPLUSNC5,AHOSYSTEMSINTHEHIGHSPEEDMACHINING,TOOLANDFIXTUREROTARYPERFORMANCEOFTHEBALANCENOTONLYAFFECTSTHEPRECISIONMACHININGANDTOOLLIFEITWILLALSOAFFECTTHELIFEOFMACHINETOOLSSO,THECHOICEOFTOOLSYSTEM,ITSHOULDBEABALANCEDSELECTIONOFGOODPRODUCTSPROCESSPARAMETERSCUTTINGSPEEDOFHIGHSPEEDPROCESSINGOFCONVENTIONALSHEARVELOCITYOFABOUT10TIMESFOREVERYTOOTHCUTTERFEEDRATEREMAINEDBASICALLYUNCHANGED,TOGUARANTEEPARTSMACHININGPRECISION,SURFACEQUALITYANDDURABILITYOFTHETOOL,FEEDVOLUMEWILLALSOBEACORRESPONDINGINCREASEABOUT10TIMES,REACHING60M/MIN,SOMEEVENASHIGHAS120M/MINTHEREFORE,HIGHSPEEDMACHININGISUSUALLYPRECLUDETHEUSEOFHIGHSPEED,FEEDANDDEPTHOFCUTSMALLCUTTINGPARAMETERSDUETOTHEHIGHSPEEDMACHININGCUTTINGCUSHIONTENDTOBESMALL,THEFORMATIONOFVERYTHINCHIPLIGHT,CUTTINGPUTTHEHEATAWAYQUICKLY;IFTHEWIRINGUSINGANEWTHERMALSTABILITYBETTERTOOLMATERIALSANDCOATINGS,USINGTHEDRYCUTTINGPROCESSFORHIGHSPEEDMACHININGISTHEIDEALTECHNOLOGYPROGRAMHIGHSPEEDMACHININGFIELDOFAPPLICATIONFLEXIBLEEFFICIENTPRODUCTIONLINETOADAPTTOTHENEEDSOFNEWMODELS,AUTOBODYPANELMOLDSANDRESINPREVENTIONBLOCKTHEFORMINGDIEMUSTSHORTENTHEPRODUCTIONCYCLEANDREDUCETHECOSTOFPRODUCTIONAND,THEREFORE,WEMUSTMAKEGREATEFFORTSTOPROMOTETHEPRODUCTIONOFHIGHSPEEDDIEINTHEPROCESSSAICAFFILIATEDWITHTHECOMPANYTHATCOMPAREDTOTHEPAST,FINISHING,FURTHERPRECISION;THESAMETIME,THESURFACEROUGHNESSMUSTBEMET,THEBENDINGOFPRECISION,THISSHOULDBESUBJECTTOAPPROPRIATEINTENSIVEMANUALPROCESSINGDUETOTHEEXTREMELYHIGHCUTTINGSPEED,ANDTHELASTFINISHINGPROCESSES,THEPROCESSINGCYCLESHOULDBEGREATLYREDUCEDTOPLAYFORMACHININGCENTERSANDBORINGANDMILLINGMACHININGCENTERCATEGORYREPRESENTEDBYTHEHIGHSPEEDMACHININGTECHNOLOGYANDAUTOMATICTOOLCHANGEFUNCTIONOFDISTINCTIONSPOTENTIALTOIMPROVEPROCESSINGEFFICIENCY,THEPROCESSINGOFCOMPLEXPARTSUSEDTOBECONCENTRATEDASMUCHASPOSSIBLETHEWIRINGPROCESS,THATISAFIXTUREINACHIEVINGMULTIPLEPROCESSESCENTRALIZEDPROCESSINGANDDILUTETHETRADITIONALCARS,MILLING,BORING,THREADPROCESSINGDIFFERENTCUTTINGTHELIMITSOFTECHNOLOGY,EQUIPMENTANDGIVEFULLPLAYTOTHEHIGHSPEEDCUTTINGTOOLFUNCTION,NCISCURRENTLYRAISINGMACHINEEFFICIENCYANDSPEEDUPPRODUCTDEVELOPMENTINANEFFECTIVEWAYTHEREFORE,THEPROPOSEDMULTIPURPOSETOOLOFTHENEWREQUIREMENTSCALLFORATOOLTOCOMPLETEDIFFERENTPARTS

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