外文翻译--X62W铣床数控化改造.doc

郑州科技学院本科毕业设计（外文翻译）题目普通X62W铣床的数控化改造设计学生姓名李博专业机械设计制造及其自动化班级08级本科（6）班学号200833164院（系）机械工程学院指导教师（职称）朱永刚畅静文（讲师）完成时间2012年5月16日X62WCNCmillingmachinetransformation1generalCNCtransformationoftheneedforanalysisOurabout3200000existingmachinetools,themachinetooltechnologystatusofageingisserious,accordingtostatistics,about30%ofthetotalcountryequipmentinmorethan16years,ofwhichnearly30%ofagemorethan26years,alltheseshowthepresentourcountrydidnotgomainlyrelyonprogressofscienceandtechnologyofmachinetoolstotransformtrack.Inaddition,withthedevelopmentofscienceandtechnology,productionisdependentonthedegreeofequipmentincreasesincreasingly,thecropoftheenterprise,quality,efficiency,cost,safetyandenvironmentalprotectionandlaboremotionsgetequipmentrestrict,realizethemodernizationofenterpriseoneselfbeimperative.Butaccordingtothedata,ourmetalcuttingmachinetoolproductiononlyaccountedforsimilarequipmenttohaveanamount1/28,suchastheannualproductionofallthemachinesusedtoreplacetheoldmachinetoolneeds28yearsso,ourcountryissolvedatpresentequipmenttechnicalprogressisthemainwayofmachinetools.2domesticandforeignresearchpresentsituationIntodaysworld,industrialdevelopedcountrytomachinetoolindustryheightseriously,competingforthedevelopmentofmechanicalandelectricalintegration,highprecision,highefficiency,highautomationandadvancedmachinetool,inordertoacceleratetheindustrialandeconomicdevelopment.Foralongtime,EuropeandtheUnitedStates,Asiaintheinternationalmarketareinfiercecompetition,hasformedaninvisiblefront,especiallywithmicroelectronics,computertechnology,numericalcontrolmachinetoolsinthenineteeneightieslateraccelerateddevelopment,putforwardmorerequirementsofallusers,hadbecomethefourbiginternationalmachinetoolexhibitiontodisplaymachinetoolmanufacturersadvancedtechnology,fortheuser,enlargethemarketfocus.Themorefamouscontrolsystem:JapanFANUCseries,Mitsubishiseries,OKUNIAseries,SODICKseries,seriesofHitachi,GermanySIEMENSseries,DECKELseries,Heidenhainseries,HELLERseries,theUnitedStatesALLEN-BRADLEY(AB)series,CINCINNANTIseries,Numseries,FIDIAseriesofFrance,Italy,Spain,SwitzerlandFAGORseries,AGseriesofdomesticseries.IntheUnitedStates,JapanandGermanyandotherdevelopedcountries,theywillmachinetransformationasaneweconomicgrowthsector,thebusinessscene,isinthegoldenage.Asthemachinetoolandthecontinuousadvancementoftechnology,machinetoolstransformationisatimelessissue.TransformationofChinasmachinetoolindustry,butalsofromtheoldtotheindustryintothedigitaltechnology-basednewindustries.IntheUnitedStates,Japan,Germany,withmachinetoolofnumericalcontroltechnicalreformationandproductionlinehasabroadmarket,hasformedaproductionlineofCNCmachinetoolandthenewindustry.IntheUnitedStates,reconstructionofmachinetoolindustrycalledmachineregeneration(Remanufacturing)industry.Engagedinrenewableindustryswell-knowncompanies:Bertscheengineeringcompany,aytonmachinetoolcompany,Devlieg-Bullavd(PO)servicesgroup,USequipmentcompany.TheUnitedStatescompanyhasbeeninChinaforthecompany.RebuildingofmachinetoolindustryinJapancalledmachinemodified(Retrofitting)industry.Engagedinrefittingindustrywell-knowncompanieshave:Doomsdayengineeringgroup,threepostmachinerycompany,Chiyodaengineeringmachinecompany,Nozakiengineeringcompany,Hamadaengineeringcompany,Yamamotoengineeringcompany.Catchupwiththepaceofcomputersystemstructure,acceleratethedevelopmentofNCsystemforNCdevelopmentspeed,hasbecomethemaintrend.Thefourthgenerationcomputerengineeringstructureandmicroelectronictechnologyasthebasis,makefulluseofexistingcomputerhardware,softwareresources,developmentofbustype,moduletype,opentype,embeddedonaflexibleNCsystem,whichissuitableformachiningcomplexparts,verticalmachinetoolwithCNCsystem,butalsoforfutureautomationupgradesthefunctionmaybeexpandedrequirements.ChinasNCsystemdevelopmenthasthefollowing3features:(1)systemofhigh-gradenumericalcontroltechnologyhasbeenabreakthrough.AsofItypenumericalcontrolsystem,withmultiaxislinkagefunction,fastfeedspeedin1.67m/sabove,havestrongercommunication,managementfunction.(2)universalCNCsystemisamaturetechnology.BeijingMachineToolResearchInstituteBS9lsystem,thesesystemsaregenerallyequippedwithCRTdisplay,canbeconfiguredtoDCandACservodrive,24shaftlinkage.(3)theeconomictypeCNCsystemstillhasvastmarketprospect.Asaresultofthiskindofsystemhastheadvantagesofsimplestructure,cheapprice,verysuitableforsmallandmediumenterprisesinChina,isstillthemostwidelyappliedinCNCsystem.AtypicalNanjinggenerousJWKseries.Ourcountryisbigcountryofproductionofmachinetools,itistheuseofpower.NCmachinetoolisthekeytothedevelopmentofmachineryindustryproducts,ChinasCNCmachinetoolinmachinetoolproductsintheproportionoftheoveralllowlevelof.Butourcountryisadevelopingcountry,alotofenterprisesfinancialweakness,notlikelytospendalotofmoneyonalotofnewCNCmachinetools,whilealargenumberofuniversalmachinetoolcannotbealleliminated.Therefore,thetransformationofgeneralmachinetoolsCNCmachineisaeffectivewaytoimprovetherateofNCmachinetoolstransformation,lesscost,reformtargeted,timeisshort,afterthetransformationofthemachinetoolareabletoovercometheoriginalmachinefaultsandproblems,highproductionefficiency.3basicschemecomparisonandselectionNCtransformationofthemaingeneralplanshallincludethefollowingcontents:theservodrivesystem,numericalcontroldeviceselection,electricalequipment,mechanicaldesign,CNChardwaresystem.Showcenttonarrateasfollows.The3.1servodrivesystemServosystemisaimportantpartofNCmachinetool,itsperformancewilldirectlyaffectthemachiningaccuracy,surfacequalityandproductionefficiency,itcanbedividedinto3ki