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1、Chapter8Man–MachineInterfaceTheMan–MachineInterface(MMI)providestheinterfacethatenablesausertoop-erateamachinetool,editapartprogram,performthepartprogram,settheparame-ters,andtransmitdata.Inthischapter,thefunctionandcomponentsoftheMMIwillbeaddressed,andprogrammingmethodssuchasCAP
2、S(ConversationalAutomaticProgrammingSystem)willbedescribed.Inaddition,fordesigningCAPS,themainfunctionsandcomponentsofCAPSwillbedescribed.8.1MMIFunctionInorderforausertooperateamachineeffectivelyandtousethefunctionofthemachineoptimally,itisnecessarytodesigntheoperationpanelforusa
3、bilityaccord-ingtothemachine–toolcharacteristics.Inotherwords,anoperationpanelshouldbedesignedfromthepointofviewofergonomics,operationerrorprevention,keygroupingandkeyallocationforspecificmachinetoolswithregardtouserconve-nience.Figure8.1showsatypicaloperationpaneland,ingeneral,th
4、eoperationpanelcanbedividedintofourareas.8.1.1AreaforStatusDisplayThisareadisplaysthemachinestatusandNCparameters.Itprovidesthegraphi-caluserinterface(GUI)forinteractionbetweentheCNCandtheuser.Figure8.2showsatypicaldisplayofthisareaandthefunctionsrelatedtothenumbersshowninFig.8.2
5、areasfollows.1.Machininginformation:Displayinginformationrelatedtothecurrentmachinestatusincludingthecoordinatesofmachinetools,currentpartprogram,cuttingtoolsandmachineparameters.2712728Man–MachineInterfaceStatusdisplayareaDatainputareaMachineoperationareaMPGoperationareaFig.8.1T
6、ypicaloperationpanel2.OperationMode:Displayingtheoperationmodesofmachinetools,suchaszeropositionreturnmode,JOGmode,AutomaticmodeandMDImode.3.Programname:Displayingthenameoftheprogramthatiscurrentlyloadedinthememoryformachining.4.Alarmwindow:Displayingthewarningandalarmmessages.5.
7、Keyinputwindow:Displayingthestringsthataretypedbyauser.6.Windowfordisplayinguserinterfacerelevanttooperationmodeandfunction:•Machiningstatus(POS):operationstatussuchasaxisposition,spindlespeed,feedrate,modalG-codes,andtoolnumberisdisplayedbythisfunction.•Program(PROG):theGUIfored
8、itingapartprogram,managingtheprogramfold