NCtechnologydevelopmenttrendsNCtechnologyapplicationsnotonlytothetraditionalmanufacturingindustryhasbroughtrevolutionarychangestothemanufacturingsectortobecomeasymbolofindustrialization,andwiththecontinuousdevelopmentofNCtechnologyandtheexpansionofapplicationfields,heGuo激minshengsomeoftheimportantsectors(IT,Automobiles,lightindustrial,medical,etc.)developmentplaysanincreasinglyimportantrole,becausetheseindustriesforthedigitalequipmentisthemajortrendofmoderndevelopment.NCfromtheworld'stechnologyanditsequipmentdevelopmenttrends,itsmainresearchfocusinthefollowingareas[1-4].1high-speed,high-finishingtechnologyandequipmenttothenewtrendEfficiency,andqualityisthemainbodyofadvancedmanufacturingtechnology.High-speed,high-finishingtechnologiescangreatlyincreaseefficiency,improveproductqualityandgrades,andshortentheproductioncycleandenhancemarketcompetitiveness.Itsmanycomponentsfortheprocessingofthin-walledandthinline,stiffnesspoormaterialforaluminumoraluminumalloy,onlyhighcuttingspeedandcuttingforceinsmallcases,canthesetendons,wallprocessing.Intheprocessingprecision,thepast10years,thegenerallevelofprocessingprecisionCNCmachinetoolsby10μmto5μm,PrecisionMachiningCenterfrom3~5μm,to1~1.5μm,andultra-precisionmachiningaccuracyhasbeguntoenterthenano--(0.01μm).Inreliability,thevalueofforeignNCdevicehasreachedmorethan6000h,theservosystemtoachievethevalueofmorethan30000h,showingaveryhighreliability.Inordertoachievehigh-speed,high-finished,itsaccompanyingfeaturessuchasthespindle,linearmotorhasbeentherapiddevelopmentofapplicationstofurtherexpand.2-axisprocessingandrapiddevelopmentoftheprocessingmachine.Usinga5-axisthree-dimensionalsurfaceofthepartsprocessing,thebestavailabletoolforcuttinggeometry,notonlyfinishhigh,butalsosubstantiallyimproveefficiency.Isgenerallybelievedthat,one5-axismachineefficiencycanbeequivalentto2setsof3-axismachinetools,inparticulartheuseofsuper-hardmaterialssuchascubicboronnitrideforhigh-speedmillingcutterhardenedsteelparts,5-axisprocessingcomparablethree-axisProcessingtoplayahigherefficiency.Butinthepastdueto5-axisNCsystem,hostofcomplexreasons,itspricethanthethree-axisCNCmachinetoolsisseveralhigher,plustheprogrammingmoredifficult,andrestrictedthe5-axismachinetooldevelopment.Atpresent,duetotheemergenceofspindle,making5-axisprocessingtoachievethemainaxisofthefirststructuregreatlysimplifiedanditsmanufacturingdifficultiesandcostssignificantlyreduced,theNCsystemtonarrowthepricegap.Thereforepromotionofthefirsttypeofspindle5-axismachinetoolsandcompositeMachines(including5-Machines)development.3intelligent,open-end,thenetworkhasbecomethecontemporarydevelopmentofnumericalcontrolsystemofthemaintrendsNC21willbeequippedwithcertainintelligentsystems,intelligentcontent,includingnumericalcontrolsystemsinallaspects:thepursuitofprocessingefficiencyandqualityoftheintelligenceprocessing,suchastheadaptivecontrolprocess,processParametersautomaticallygenerated;drivetoimproveperformanceandfacilitatetheuseofintelligentconnection,suchasfeedforwardcontrol,theelectricalparametersofadaptivecomputing,automaticidentificationloadautomaticallyselectedmodel,self-tuning,andsotosimplifyprogramming,simplifyingtheoperationIntelligent,suchasintelligentautomaticprogramming,intelligentman-machineinterface;areintelligentdiagnosis,intelligentmonitoringofthecontent,facilitatethediagnosisandrepair.Toaddr...