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数控技术的发展趋势---中英文翻译.doc

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数控技术的发展趋势---中英文翻译.doc

1ThedevelopmenttrendofthenumericalcontroltechnologySummaryHaveintroducednumericalcontroltechnologyandthedevelopmenttrendoftheequipmentandthecurrentsituationsofthetechnicaldevelopmentofnumericalcontrolequipmentandindustrializationofourcountryofourtimesbriefly,havediscussedunderthenewenvironmentfurtherdeepenedinourcountrysaccessiontotheWTOandopeningtotheoutsideworldonthisbasis,developtechnologyofnumericalcontrolofourcountryandtheimportanceoftheinformationbasedlevelofmanufacturingindustryofourcountryandinternationalcompetitivenessequips,improves,andhasputforwardtechnologyofnumericalcontrolofourcountryandsomeviewsequippedofdevelopingfromtwoaspectsofstrategyandtactics.Theengineeringlevelofequipmentindustryandmodernizedintensityaredeterminingthelevelofthewholenationaleconomyandmodernizedintensity,numericalcontroltechnologyandequip,developnewdevelopingnewhightechindustryandmostadvancedindustryTocanmaketechnologyandbasicequipmentmostnationaldefenseindustryindustries,suchasinformationtechnologyandtheirindustry,biotechnology,industry,aviation,spaceflight,etc..Marxhaseversaidthedifferencesofdifferenteconomictimes,donotlieinwhatisproduced,lieinhowproduce,withwhatmeansoflaborproduce.Manufacturingtechnologyandequippingthemostbasicmeansofproductionthatarethatthemankindproducedtheactivity,andnumericalcontroltechnologytoequipmostcentraltechnology.Nowadaysthemanufacturingindustryallaroundtheworldadoptsthetechnologyofnumericalcontrolextensively,inordertoimprovemanufacturingcapacityandlevel,improvetheadaptivecapacityandcompetitivepowertothechangeablemarketofthetrends.Inadditioneveryindustriallydevelopedcountryintheworldalsoclassifiesthetechnologyandnumericalcontrolequipmentofnumericalcontrolasthestrategic2materialsofthecountry,notmerelytakethegreatmeasuretodeveloponesownnumericalcontroltechnologyandindustry,andimplementblockadingandrestrictivepolicytoourcountryinhighgrade,precisionandadvancedkeytechnologyandequipmentofnumericalcontrol.Inaword,developtakingtechnologyofnumericalcontrolasthecoreadvancedmanufacturingtechnologybecomeworldalldevelopedcountry,accelerateeconomicdevelopmentalreadyinamorecosteffectivemanner,importantroutetoimprovethecomprehensivenationalstrengthandnationalposition.Numericalcontroltechnologytogoontechnologythatcontrolwithdigitalinformationtomechanicalmovementandworkingcourse,numericalcontrolequipmentwhetherrepresentedbytechnologyofnumericalcontrolnewtechnologymakeindustryandnewdevelopinginfiltrationelectromechanicsintegratedproductthatformofmanufacturingindustrytotradition,i.e.whatiscalleddigitizationequip,itstechnologicalrangecoversalotoffields1Mechanicalmanufacturingtechnology2Informationprocessing,processing,transmissiontechnology3Automaticcontroltechnology4Servodrivetechnology5Transducertechnology6Softwareengineering,etc..1DevelopmenttrendofanumericalcontroltechnologyTheapplicationofthetechnologyofnumericalcontrolhasnotonlybroughttherevolutionarychangetotraditionalmanufacturingindustry,makethemanufacturingindustrybecometheindustrializedsymbol,andwiththeconstantdevelopmentofthetechnologyofnumericalcontrolandenlargementofapplication,thedevelopmentofhesomeimportanttradesIT,car,lightindustry,medicaltreatment,etc.tothenationaleconomyandthepeopleslivelihoodplaysamoreandmoreimportantrole,becausethesetradenecessarydigitizationthatequippedhasalreadybeenthemaintrendofmoderndevelopment.Accordingtothetechnologyofnumericalcontrolandequipmentdevelopmenttrendintheworldat3present,itsmainresearchfocushasthefollowingseveralrespect14.1.1Ahighspeed,highfinishmachiningtechnologyandnewtrendequippedEfficiency,qualityaresubjectsoftheadvancedmanufacturingtechnology.Atahighspeed,highfinishmachiningtechnologycanraisetheefficiencygreatly,qualityandgradetoraiseproduct,shortenproductioncycleandimprovethecompetitivepowerofmarket.Japancarrytechnologicalresearchassociationclassifytheirasoneofthe5loudmodernmanufacturingtechnologiesfirstforthisreason,learnCIRPtoconfirmitasthecentreinthe21stcenturytostudyoneofthedirectionsininternationalproductionengineering.Inthefieldofcarindustry,produce40secondwhenbeatsuchasproductionof300,000/vehicleperyear,andmanyvarietyprocessitiscarthatequiponeofthekeyproblemsthatmustbesolvedInthefieldsofaviationandaerospaceindustry,itsprocessingssparepartsaremostlythethinwallandthinmuscle,rigidityverybad,materialaluminiumoraluminiumalloy,inhightocutpaceandcutstrengthveryunderthelittlesituationonly,couldprocessthesemuscles,walls.Adoptlargescalewholealuminiumalloyblankmethodofpayemptymakethewingrecently,largescalepartssuchasthefuselage,etc.cometosubstitutealotofpartstoassemblethroughnumerousrivet,screwandotherconnectionways,maketheintensity,rigidityanddependabilityofthecomponentimproved.Alltheserequirementforprocessingandequippingandproposinghighspeed,highandpreciseandhighflexibility.AccordingtoEMO2001exhibitionsituation,thehighspeedmachiningcenterentersforthepacetocanreach80m/min,evenhigh,airtransportcompetentpacecanreach100m/minabout.Alotofcarfactoriesintheworldatpresent,includingShanghaiGeneralMotorsCorporationofourcountry,adopt,substituteandmakethelatheupwithhighspeedmachiningcenterproductionlinepartthatmakeupalready.HyperMachlatheofCompany,CINCINNATIofU.S.A.,enter,givepacetobemost4loudtoreach60m/min,itis100m/mintobefast,accelerationreach2g,therotationalspeedofthemainshafthasalreadyreached60000r/min.Processingathinwallofplaneparts,spend30minonly,andsamepartgeneralatahighspeedmillingmachineprocessandtake3h,processandneed8hwithordinarymillingmachineThepacesandaccelerationofmainshaftofdualmainshaftlathesofGermanyDMGCompanyreach12separately000r/mmand1g.Inmachiningaccuracy,inthepast10years,ordinaryprogressionhasaccusedofthemachiningaccuracyofthelathetoalreadyimprovefrom10μmto5μm,accurategradesofmachiningcenterfrom35μm,raiseto11.5μm,andultraprecisionmachiningaccuracybegin,entergettingnanometeralready.Inmachiningaccuracy,thepast10years,ordinaryprogressionaccuseofmachiningaccuracyoflatheraiseto5μm,from35μmaccurategradesofmachiningcenterfrom10μmalready,improveto11.5μm,andtheultraprecisionmachiningaccuracyhasalreadybeguntoenternanometer0.01μmly.Independability,MTBFvalueoftheforeignnumericalcontroldevicehasalreadyreachedabove6000h,MTBFvalueoftheservosystemreachesabove30000h,demonstrateveryhighdependability.Forrealizeatahighspeed,highfinishmachining,relatedtoitfunctionpartifelectricmainshaft,straightlineelectricalmachinerygetfastdevelopment,theapplicationisfurtherexpanded.1.25axleslinkandprocessandcompoundandprocessthelathetodevelopfastAdopt5axlelink,tothreedimensionalcurvedsurfaceprocessingofpart,cancutwiththebestgeometircformofthecutter,notonlyhighlypolished,butalsoefficiencyisimprovedbyalargemargin.Itisgenerallyacknowledged,a5axlegearbedsofefficiencycanequal23axlegearbeds,usecubicnitrogenboronwaitultrahardmaterialmillingcuttergoonatahighspeedmilling,sharpening,quenchinghardsteelatthepart,5axlelink,processconstant3axlelink,process,giveplaytohighbenefit.Butgooverbecause5axleslinkthenumericalcontrol

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