数控技术类外文文献翻译中英文翻译外文翻译.docx
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数控技术类外文文献翻译中英文翻译外文翻译.docx
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数控技术类外文文献翻译中英文翻译外文翻译
外文原文:
NCTechnology
1、ResearchcurrentsituationofNClatheinourtimes
Researchanddevelopmentprocesstosuchvariouskindsofnewtechnologiesasnumericalcontrollathe,machiningcenter,FMS,CIMS,etc.ofcountriesallovertheworld,linkedtowiththeinternationaleconomicsituationclosely.Themachinetoolindustryhasinternationaleconomytomutuallypromoteanddevelop,enter21alerterasofWorldAffairs,thefunctionthatpeople'sknowledgeplaysismoreoutstanding,andthemachinetoolindustryisregardedasthefoundationofthemanufacturingindustryofthemachine,itskeypositionandstrategicmeaningaremoreobvious.Within1991-1994years,theeconomicrecessionoftheworld,expensiveFMS,CIMSlowersthetemperature,among1995-2000years,theinternationaleconomyincreasesatalowspeed,accordingtorequisitionforNClatheandtheworldfourmajorinternationallathesexhibitioninordertoboostproductivityofusersofvariousfieldsofpresentworldmarket(EMO,IMTS,JIMTOF,ChinaCIMTofJapanofU.S.A.ofEurope),havetheanalysisoftheexhibit,therearethefollowingseveralpointsmainlyinthetechnicalresearchofNClatheinourtimes:
(1)、Paymoreattentiontonewtechnologyandinnovation
Worldwide,arelaunchingthenewcraft,newmaterial,newstructure,newunit,researchanddevelopmentofthenewcomponentinamorecost-effectivemanner,developmentalresearchofforinstancenewcuttermaterial,thenewelectricmainshaftofmainshaftstructure,highspeed,high-speedstraightlineelectricalmachinery,etc..Regardinnovatinginimprovementoftheprocessingtechnologyasthefoundation,forprocessultraandharddifficulttocutmaterialandspecialcompositeandcomplicatedpart,irregularcurvedsurface,etc.researchanddevelopnewlathevarietyconstantly.
(2)、Improvetheprecisionandresearchofmachinetooling
Inordertoimprovethemachiningaccuracyofthemachiningcenter,areimprovingrigidityofthelathe,reductionvibrationconstantly,dispelhotlyandoutofshape,reducethenoise,improvetheprecisionoflocalizationofNClathe,repeatprecision,workingdependability,stability,precisionkeeping,worldalotofcountrycarryonlathehoterror,lathesportandloadoutofshapesoftwareoferrorcompensatetechnicalresearch,takeprecisioncompensate,softwarecompensatemeasureimprove,somemaymakethiskindoferrordispel60%already.Andisdevelopingretrofitconstantly,nanometerisbeingprocessed.
(3)、Improvetheresearchofthemachinetoolingproductivity
WorldNClathe,machiningcenterandcorrespondingsomedevelopmentofmainshaft,electricalmachineryofstraightline,measuringsystem,NCsystemofhighspeed,undertheprerequisiteofboostingproductivity.
(4)、Whatalotofcountrieshavealreadybeguntothenumericalcontrolsystemmeltintelligently,openly,studynetworkedly
A、Intelligentresearchofthenumericalcontrolsystem
Mainlyshowinginthefollowingaspects:
Itisintelligentinordertopursuetheefficiencyofprocessingandprocessquality,theself-adaptationtotheprocessingcourseiscontrolled,thecraftparameterproducesresearchautomatically;Jointheconvenientoneinordertoimprovetheperformanceofurginganduseintelligently,tothefeedbackcontrol,adaptiveoperation,discerningautomaticallyloadselectsmodelsautomatically,sincecarriesonresearchwholedefinitely,etc.oftheelectricalmachineryparameter;Therearesuchresearchoftherespectasintelligentautomaticprogramming,intelligentman-machineinterface,intelligencediagnosing,intelligentmonitoring,etc..
B、Thenumericalcontrolsystemmeltsandstudiesopen
Mainlyshowinginthefollowingaspects:
Thedevelopmentofthenumericalcontrolsystemisonunifiedoperationplatform,facethelatheproducerandsupportfinally,throughchanging,increasingorcuttingoutthestructuretarget(numericalcontroltarget),formtheseriation,andcanuseusersspeciallyconvenientlyandthetechnicalknow-howisintegratedinthecontrolsystem,realizetheopennumericalcontrolsystemofdifferentvariety,differentgradefast,formleadingbrandproductswithdistinctdistinction.Systemstructurenormoftheopennumericalcontrolsystematpresent,norm,disposingthenorm,operationplatform,numericalcontrolsystematicfunctionstorehouseandnumericalcontrolsystematicfunctionsoftwaredevelopinginstrument,etc.arethecoreofpresentresearchtopassthrough.
C、Meetingthemanufacturesystemoftheproductionline,demandfortheinformationintegrationofthemanufacturingcompanynetworkedlygreatlyofnumericalcontrolequipment,itisabasicunitofrealizingthenewmanufacturemodetoo.
2、Classificationofthemachiningcenter
(1)Processaccordingtomainshaftspacepositionwhenitclassifiestobeasfollows,horizontalandverticalmachiningcenter.
Horizontalmachiningcenter,refertothemachiningcenterthattheaxislevelofthemainshaftissetup.Horizontalmachiningcenterfor3-5sportcoordinateaxis,acommononethreerectilinearmotioncoordinateaxisandoneturnthecoordinateaxisofsportsround(turntheworkingbenchround),itcanoneisitisitfinishother4Taxiprocessingbesidesinstallingsurfacesandtopsurfacestoinserttoinstallinworkpiece,mostsuitableforprocessingthecasebodyworkpiece.Comparedwithstrengthtypemachiningcenterit,thestructureiscomplicated,thefloorspaceislarge,qualityislarge,thepriceishigh.
Verticalmachiningcenter,theaxisofthemainshaftoftheverticalmachiningcenter,inordertosetupvertically,itsstructureismostlytheregularposttype,theworkingbenchissuitableforprocessingpartsfortheslipperyoneofcross,have3rectilinearmotioncoordinateaxisgenerally,canfindaroomforonehorizontalnumericalcontrolrevolvingstage(the4thaxle)ofaxleprocessthespiralpartatworkingbench.Theverticalmachiningcenterisofsimplestructure,thefloorspaceissmall,thepriceislow,afterallocatingvariouskindsofenclosures,cancarryontheprocessingofmostworkpieces.
Large-scalegantrymachiningcenter,themainshaftsaremostlysetupvertically,isespeciallyusedinthelarge-scaleorwithcomplicatedformworkpiece,isitspendthemanycoordinategantrymachiningcentertoneedlikeaviation,aerospaceindustry,someprocessingofpartoflarge-scalesteamturbine.
Fivemachiningcenters,thiskindofmachiningcenterhasfunctionoftheverticalandhorizontalmachiningcenter,oneisitafterinserting,canfinishallfiveTaxiprocessingbesidesinstallingthesurfacetoinstallinworkpiece,theprocessingwaycanmakeformofworkpieceerrorlowest,save2timesinstallandinsertworking,thusimproveproductionefficiency,reducetheprocesscost.
(2)Classifybycraftuse
Isitmillmachiningcentertobore,isitmillforverticaldoorframemachiningcenter,horizontaldoorframemillthemachiningcenterandLongmendoorframemillthemachiningcentertodivideinto.Processingtechnologyitsrelymainlyonthefactthatthedoorframeismilled,usedincasebody,shellandvariouskindsofcomplicatedpartspecialcurveandlargeprocesses,curvedsurfaceofoutlineprocess,suitableformanyvarietiestoproduceinbatchessmall.
Complexmachiningcenter,pointfivetimesandcompoundandprocessmainly,themainshaftheadcanbeturnedroundautomatically,stand,lieandprocess,afterthemainshaftisturnedroundautomatically,realizeknowingthatvariesinthehorizontalandverticaldirection.
(3)Classifybyspecialfunction
Singleworkingbench,apairofworkingbenchmachiningcenter;
Singleaxle,dualaxle,threeaxlecanchangemachiningcenter,mainshaftofcase;
Transferverticallytothetowermachiningcenterandtransfer;
Onehundredsheetsofstorehousesaddsthemainshaftandchangesoneonehundredsheetsofmachiningcenters;
Onehundredsheetsofstorehousesconnectsandwriteshandstoaddthemainshaftandchangeonehundredsheetsofmachiningcenters;
Onehundredsheetsofstorehousesaddsthemanipulatorandaddsonepairofmainshaftstotransfertothetowermachiningcenter.
3、Developmenttrendofthecurrentnumericalcontrollathe
Atpresent,theadvancedmanufacturingtechnologyintheworldisrisingconstantly,suchapplicationoftechnologyasultrafastcutting,ultraprecisionprocessing,etc.,therapiddevelopmentoftheflexiblemanufacturingsystemandintegratedsystemofthecomputeroneisconstantandripe,haveputforwardhigherdemandtotheprocesstechnologyofnumericalcontrol.Nowadaysthenumericalcontrollatheisbeingdevelopedinseveralfollowingdirections.
(1).Thespeedandprecisionatahighspeed,highaccuracyaretwoimportantindexesofthenumericalcontrollathe,itconcernsdirectlythatprocessesefficiencyandproductquality.Atpresent,numericalcontrolsystemadopt-figurenumber,frequencyhighprocessor,inordertoraisebasicoperationspeedofsystem.Meanwhile,adoptthesuperlarge-scaleintegratedcircuitandmanymicroprocessorsstructure,inordertoimprovesystematicdataprocessingability,namelyimproveandinsertthespeedandprecisionofmendingoperation.Adoptthestraightlinemotorandurgethestraightlineofthelatheworkingbenchtobeservotoentertothewaydirectly,itisquitesuperiorthatitsrespondsthecharacteristicatahighspeedanddynamically.Adoptfeedforwardcontroltechnology,makeitlagbehinderrorreducegreatly,thusimprovethemachiningaccuracycutincornernottotrack.
Formeetultrafastdemandthatprocess,numericalcontrollatheadoptmainshaftmotorandlathestructureformthatmainshaftunitetwointo
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