數(shù)控技術(shù)的發(fā)展趨勢---中英文翻譯.doc

1ThedevelopmenttrendofthenumericalcontroltechnologySummary:Haveintroducednumericalcontroltechnologyandthedevelopmenttrendoftheequipmentandthecurrentsituationsofthetechnicaldevelopmentofnumericalcontrolequipmentandindustrializationofourcountryofourtimesbriefly,havediscussedunderthenewenvironmentfurtherdeepenedinourcountrysaccessiontotheWTOandopeningtotheoutsideworldonthisbasis,developtechnologyofnumericalcontrolofourcountryandtheimportanceoftheinformation-basedlevelofmanufacturingindustryofourcountryandinternationalcompetitivenessequips,improves,andhasputforwardtechnologyofnumericalcontrolofourcountryandsomeviewsequippedofdevelopingfromtwoaspectsofstrategyandtactics.Theengineeringlevelofequipmentindustryandmodernizedintensityaredeterminingthelevelofthewholenationaleconomyandmodernizedintensity,numericalcontroltechnologyandequip,developnewdevelopingnewhigh-techindustryandmostadvancedindustryTocanmaketechnologyandbasicequipmentmost(nationaldefenseindustryindustries,suchasinformationtechnologyandtheirindustry,biotechnology,industry,aviation,spaceflight,etc.).Marxhaseversaidthedifferencesofdifferenteconomictimes,donotlieinwhatisproduced,lieinhowproduce,withwhatmeansoflaborproduce.Manufacturingtechnologyandequippingthemostbasicmeansofproductionthatarethatthemankindproducedtheactivity,andnumericalcontroltechnologytoequipmostcentraltechnology.Nowadaysthemanufacturingindustryallaroundtheworldadoptsthetechnologyofnumericalcontrolextensively,inordertoimprovemanufacturingcapacityandlevel,improvetheadaptivecapacityandcompetitivepowertothechangeablemarketofthetrends.Inadditioneveryindustriallydevelopedcountryintheworldalsoclassifiesthetechnologyandnumericalcontrolequipmentofnumericalcontrolasthestrategic2materialsofthecountry,notmerelytakethegreatmeasuretodeveloponesownnumericalcontroltechnologyandindustry,andimplementblockadingandrestrictivepolicytoourcountryinhigh-grade,precisionandadvancedkeytechnologyandequipmentofnumericalcontrol.Inaword,developtakingtechnologyofnumericalcontrolasthecoreadvancedmanufacturingtechnologybecomeworldalldevelopedcountry,accelerateeconomicdevelopmentalreadyinamorecost-effectivemanner,importantroutetoimprovethecomprehensivenationalstrengthandnationalposition.Numericalcontroltechnologytogoontechnologythatcontrolwithdigitalinformationtomechanicalmovementandworkingcourse,numericalcontrolequipmentwhetherrepresentedbytechnologyofnumericalcontrolnewtechnologymakeindustryandnewdevelopinginfiltrationelectromechanicsintegratedproductthatformofmanufacturingindustrytotradition,i.e.whatiscalleddigitizationequip,itstechnologicalrangecoversalotoffields:(1)Mechanicalmanufacturingtechnology；(2)Informationprocessing,processing,transmissiontechnology；(3)Automaticcontroltechnology；(4)Servodrivetechnology；(5)Transducertechnology；(6)Softwareengineering,etc.1DevelopmenttrendofanumericalcontroltechnologyTheapplicationofthetechnologyofnumericalcontrolhasnotonlybroughttherevolutionarychangetotraditionalmanufacturingindustry,makethemanufacturingindustrybecometheindustrializedsymbol,andwiththeconstantdevelopmentofthetechnologyofnumericalcontrolandenlargementofapplication,thedevelopmentofhesomeimportanttrades(IT,car,lightindustry,medicaltreatment,etc.)tothenationaleconomyandthepeopleslivelihoodplaysamoreandmoreimportantrole,becausethesetradenecessarydigitizationthatequippedhasalreadybeenthemaintrendofmoderndevelopment.Accordingtothetechnologyofnumericalcontrolandequipmentdevelopmenttrendintheworldat3present,itsmainresearchfocushasthefollowingseveralrespect14.1.1Ahigh-speed,highfinishmachiningtechnologyandnewtrendequippedEfficiency,qualityaresubjectsoftheadvancedmanufacturingtechnology.Atahighspeed,highfinishmachiningtechnologycanraisetheefficiencygreatly,qualityandgradetoraiseproduct,shortenproductioncycleandimprovethecompetitivepowerofmarket.Japancarrytechnologicalresearchassociationclassifytheirasoneofthe5loudmodernmanufacturingtechnologiesfirstforthisreason,learn(CIRP)toconfirmitasthecentreinthe21stcenturytostudyoneofthedirectionsininternationalproductionengineering.Inthefieldofcarindustry,produce40secondwhenbeatsuchasproductionof300,000/vehicleperyear,andmanyvarietyprocessitiscarthatequiponeofthekeyproblemsthatmustbesolved；Inthefieldsofaviationandaerospaceindustry,itsprocessingssparepartsaremostlythethinwallandthinmuscle,rigidityverybad,materialaluminiumoraluminiumalloy,inhightocutpaceandcutstrengthveryunderthelittlesituationonly,couldprocessthesemuscles,walls.Adoptlarge-scalewholealuminiumalloyblankmethodofpayemptymakethewingrecently,large-scalepartssuchasthefuselage,etosubstitutealotofpartstoassemblethroughnumerousrivet,screwandotherconnectionways,maketheintensity,rigidityanddependabilityofthecomponentimproved.Alltheserequirementforprocessingandequippingandproposinghigh-speed,highandpreciseandhighflexibility.AccordingtoEMO2001exhibitionsituation,thehigh-speedmachiningcenterentersforthepacetocanreach80m/min,evenhigh,airtransportcompetentpacecanreach100m/minabout.Alotofcarfactoriesintheworldatpresent,includingShanghaiGeneralMotorsCorporationofourcountry,adopt,substituteandmakethelatheupwithhigh-speedmachiningcenterproductionlinepartthatmakeupalready.HyperMachlatheofCompany,CINCINNATIofU.S.A.,enter,givepacetobemost4loudtoreach60m/min,itis100m/mintobefast,accelerationreach2g,therotationalspeedofthemainshafthasalreadyreached60000r/min.Processingathinwallofplaneparts,spend30minonly,andsamepartgeneralatahighspeedmillingmachineprocessandtake3h,processandneed8hwithordinarymillingmachine；ThepacesandaccelerationofmainshaftofdualmainshaftlathesofGermanyDMGCompanyreach12*separately!000r/mmand1g.Inmachiningaccuracy,inthepast10years,ordinaryprogressionhasaccusedofthemachiningaccuracyofthelathetoalreadyimprovefrom10mto5m,accurategradesofmachiningcenterfrom3-5m,raiseto1-1.5m,andultraprecisionmachiningaccuracybegin,entergettingnanometeralready.Inmachiningaccuracy,thepast10years,ordinaryprogressionaccuseofmachiningaccuracyoflatheraiseto5m,from3-5maccurategradesofmachiningcenterfrom10malready,improveto1-1.5m,andtheultraprecisionmachiningaccuracyhasalreadybeguntoenternanometer(0.01m)ly.Independability,MTBFvalueoftheforeignnumericalcontroldevicehasalreadyreachedabove6000h,MTBFvalueoftheservosystemreachesabove30000h,demonstrateveryhighdependability.Forrealizea