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1、（数控加工）机械(数控)毕业设计外文翻译NumericalcontroltechnologyandequippingdevelopmenttrendandcountermeasureEquiptheengineeringlevel,levelofdeterminingthewholenationaleconomyofthemodernizeddegreeandmodernizeddegreeofindustry,numericalcontroltechnologyisitdevelopnewdevelopingnewhigh-techindustryandmostadvancedindustr
2、ytoequip(suchasinformationtechnologyandhisindustry,biotechnologyandhisindustry,aviation,spaceflight,etc.nationaldefenseindustry)lasttechnologyandgettingmorebasicmostequipment.Marxhaseversaidthedifferencesofdifferenteconomictimes,donotlieinwhatisproduced,andlieinhowtoproduce,producewithsomemeansoflab
3、or.Manufacturingtechnologyandequippingthemostbasicmeansofproductionthatarethatthemankindproducedtheactivity,andnumericalcontroltechnologyisnowadaysadvancedmanufacturingtechnologyandequipsthemostcentraltechnology.Nowadaysthemanufacturingindustryallaroundtheworldadoptsnumericalcontroltechnologyextensi
4、vely,inordertoimprovemanufacturingcapacityandlevel,improvetheadaptivecapacityandcompetitivepowertothechangeablemarketofthetrends.Inadditioneveryindustriallydevelopedcountryintheworldalsoclassifiesthetechnologyandnumericalcontrolequipmentofnumericalcontrolasthestrategicmaterialsofthecountry,notmerely
5、takethegreatmeasuretodeveloponesownnumericalcontroltechnologyandindustry,andimplementblockadingandrestrictivepolicytoourcountryinviewofhigh-grade,precisionandadvancedkeytechnologyofnumericalcontrolandequipping.Inaword,developtheadvancedmanufacturingtechnologytakingnumericalcontroltechnologyasthecore
6、andalreadybecomeeveryworlddevelopedcountryandaccelerateeconomicdevelopmentinamorecost-effectivemanner,importantwaytoimprovetheoverallnationalstrengthandnationalposition.Numericalcontroltechnologyisthetechnologycontrolledtomechanicalmovementandworkingcoursewithdigitalinformation,integratedproductsofe
7、lectromechanicsthatthenumericalcontrolequipmentisthenewtechnologyrepresentedbynumericalcontroltechnologyformstothemanufactureindustryofthetraditionandinfiltrationofthenewdevelopingmanufacturingindustry,namelytheso-calleddigitizationisequipped,itstechnologicalrangecoversalotoffields:(1)Mechanicalmanu
8、facturingtechnology;(2)Informationprocessing,processing,transmissiontechnology;(3)Automaticcontroltechnology;(4)Servodrivetechnology;(5)Technologyofthesensor;(6)Softwareengineering,etc.DevelopmenttrendofanumericalcontroltechnologyTheapplicationofnumericalcontroltechnologyhasnotonlybroughttherevoluti
9、onarychangetomanufacturingindustryofthetradition,makethemanufacturingindustrybecometheindustrializedsymbol,andwiththeconstantdevelopmentofnumericalcontroltechnologyandenlargementoftheapplication,thedevelopmentofsomeimportanttrades(IT,automobile,lightindustry,medicaltreatment,etc.)tothenationaleconom
10、yandthepeopleslivelihoodofhisplaysamoreandmoreimportantrole,becausethedigitizationthatthesetradesneededtoequiphasalreadybeenthemaintrendofmoderndevelopment.Numericalcontroltechnologyintheworldatpresentandequippingthedevelopmenttrendtosee,thereisthefollowingseveralrespect1-initsmainresearchfocus.1Ahi
11、gh-speed,highfinishmachiningtechnologyandnewtrendequippedTheefficiency,qualityaresubjavanufacturingtechnology.High-speed,highfinishmachiningtechnologycanraisetheefficiencygreatly,improvethequalityandgradeoftheproducts,shortenproductioncycleandimprovethemarketcompetitivepower.Japancarriesthetechnolog
12、icalresearchassociationfirsttoclassifyitasoneofthe5greatmodernmanufacturingtechnologiesforthis,learn(CIRP)toconfirmitasthecentreinthe21stcenturyandstudyoneofthedirectionsininternationalproductionengineering.Inthefieldofcarindustry,produceonesecondwhenbeatsuchasproductionof300,000/vehicleperyear,andm
13、anyvarietyprocessitiscarthatequipkeyproblemthatmustbesolvedoneof;Inthefieldsofaviationandaerospaceindustry,sparepartsofitsprocessingaremostlythethinwallandthinmuscle,rigidityisverybad,thematerialisaluminiumoraluminiumalloy,onlyinasituationthatcutthespeedandcutstrengthverysmallhigh,couldprocessthesem
14、uscles,walls.Adoptlarge-scalewholealuminiumalloymethodthatblankpayemptymakethewingrecently,suchlarge-scalepartsasthefuselage,etosubstitutealotofpartstoassemblethroughnumerousrivet,screwandotherconnectionway,maketheintensity,rigidityanddependabilityofthecomponentimproved.Allthese,toprocessingandequip
15、pingthedemandwhichhasproposedhigh-speed,highpreciseandhighflexibility.AccordingtoEMO2001exhibitionsituation,high-speedmachiningcenterisitgivespeedcanreach80m/minisevenhigh,airtransportcompetentspeedcanupto100m/mintobeabouttoenter.Alotofautomobilefactoriesintheworldatpresent,includingShanghaiGeneralM
16、otorsCorporationofourcountry,havealreadyadoptedandsubstitutedandmadethelatheupwiththeproductionlinepartthatthehigh-speedmachiningcentermakesup.HyperMachlatheofU.S.A.CINCINNATICompanyenterstonearlybiggest60m/minofspeed,itis100m/mintobefast,theaccelerationreaches2g,therotationalspeedofthemainshafthasalreadyreached60000r/min.Processingathinwallofplaneparts,spend30minonly,andsamepartgeneralatahighspeedmillingmachineprocessandtake3h,theordinarymillingmac
