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1、数控机床的工作原理、组成及主要性能指标()Theworkingptinciple,compositionandmainperformanceindexesofNCmachinetoolsThebasicoperationofNCmachinetools(takingBEIJINGFANUC01CNCsystemasanexample)TheworkingprincipleofNCmachinetoolsNumericalcontrolmachinetoolisamachinetoolcontrolledbydigitalinformation・Alldigitalinformati
2、oncodewillmovethetooltrajectoryinformationrecordedintheprogrammedium,andthengivetheCNCsystemafterdecodingandcomputing,therelativemotioncontrolmachinetoolandworkpieceprocessing,amachinetoolworkpieceisrequiredforCNCmachinetools・ThebasicprocessofNCmachining・IntheNCmachinetoolsbeforeprocessingthew
3、orkpiece,itisnecessarytoanalyzethepartsdiagram,drawupthepartsprocessingtechnologyprogram,clearprocessingparameters,andthenaccordingtotheprogrammingrulestoprepareNCmachiningprogram・Thegeometricalinformationandprocessinformationconversionwhenprocessingpartsforthedigitalinformation,canusedifferen
4、tmethodstoinputtotheCNCmachinetool,thecheckcanstartrunningmachine,NCprogramNCdeviceautomaticallycompleteallkindsofCNCmachiningprogramsendscontrolinstruction.Ifnotroubleoccurs,untiltheprocessingprogramisfinishedandthepartsarefinished・ThecontrolprocessofNCmachiningandtheprintingprocessofcomputer
5、controlprinterareverysimilartothedrawingprocessofcomputercontrolplotter.DigitalcontrolisrelativetoanalogcontroLThedigitalcontrolsystemorcomputerdigitalcontrolsystemuseswordlengthstorepresentdifferentprecisioninformation,andcanperformcomplexarithmeticoperations,logicaloperations,andinformationp
6、rocessing,Bychangingthesoftware(ratherthanthecircuitormechanicalmechanism)toachievetheconversionofinformationprocessingmethodsandprocesses,ithasverygoodflexibility・CNcsystemisconvenient,reliableandaccurate・Itiswidelyusedinthetrajectory,detectionandauxiliarymotioncontrolofmechanicalmotion.Among
7、them,trajectorycontrolisthemaincontrolcontentofmachinetoolsandindustrialrobots・ThecompositionofNCmachinetoolsThegeneralNCmachinecomposedofNCdeviceoutputequipment,(cNc),servounitanddrivingdevice(oractuator),programmablecontroller(angular
