CNCTurningandMilling(Advanced)TianjinLightIndustryVocationalandTechnicalCollegeCurriculumResourceConstructionProjectTableofContents1234Project3CrankTurningProgrammingandMachiningTrainingProject2PumpbodyturningprogrammingandmachiningtrainingProject1CheckvalveturningprogrammingandmachiningtrainingProject4Supportseatmillingprogrammingandprocessingtraining65Project6CrankconnectingrodmillingprogrammingandmachiningtrainingProject5BasemillingprogrammingandmachiningtrainingTask3SoftwareprogrammingProject1CheckvalveturningprogrammingandmachiningtrainingTask2ProcesspreparationTask1:LearnthekeyknowledgepointsTask1:Learnthekeyknowledgepoints123IntroductiontothebasicfunctionsofCNClathesBasicoperationsIntroductiontothebasicconceptsofCNClathe465CNClathetoolmagazinesetupBasicInstructionsCNClatherearsetting05CNClatherearsettingPost-settingistosetspecificCNCcodes,CNCprogramformatsandparametersfordifferentmachinetoolsanddifferentCNCsystems,andgenerateconfigurationfiles.WhengeneratingaNCprogram,thesystemgeneratesmachininginstructionsinaspecificcodeformatrequiredbytheuseraccordingtothedefinitionoftheconfigurationfile.Post-setupprovidesuserswithaflexibleandconvenientwaytosetupsystemconfigurations.Theproperconfigurationofdifferentmachinetoolsisofgreatpracticalimportance.Thepost-setupdialogboxisshowninFigure1.16.Task1:Learnthekeyknowledgepoints1.5CNClatherearsettingFigure1.16CNClathepost-processingTask1:LearnthekeyknowledgepointsInthe"General"tabinthemiddleofthepost-settingsdialog,youcansetthebasicformatoftheG-code.Filecontrol:setthestartandstopsymbolsoftheG-code,settheprogramnumber,andfileextension.Coordinatemode:SettheG-codecommandfortwocoordinatemodes:absolutecoordinatesandincrementalcoordinatesrelativetothepreviouspoint.Linenumbersetting:Setwhethertooutputlinenumber,theactualandendingsymbolsoflinenumber,thenumberofdigits,whethertofillinthenumberofdigits,themaximumandminimumlinenumber,andtheincrement.CommandSeparator:SettheseparatorsymbolbetweenNCcommands.ToolCompensation:G-codeinstructionstosetvarioustoolcompensationmodes.1.5.1GeneralSettings1.5CNClatherearsettingFigure1.17TypicalsettingsTask1:LearnthekeyknowledgepointsInthe"Motion"tabinthemiddleofthepost-settingsdialog,youcansettheparametersrelatedtothetoolmotionintheG-code.StraightLine:SetG-codecommandsforfasttoolmovementandinterpolationmotionoftheline.Arc:Settheparametersofthetoolarcinterpolation.Code:SettheG-codecommandforthetooltodoclockwiseandcounterclockwisecircularinterpolationmotion.OutputPlane:AG-codecommandinadifferentplanewherethearcislocatedwhentheplanearcinterpolationisset.Spatialarc:Setstheprocessingmethodofspatialarcinterpolation.Controlmodeofcoordinateplanearc:setthemeaningofthecoordinatesofthecenterpoint(I,J,K)intheGcodeofthearcinterpolationsegment.1.5.2MotionSettings1.5CNClatherearsettingFigure1.18MotionsettingsTask1:LearnthekeyknowledgepointsIntheSpindlestabinthemiddleofthepost-setupdialog,youcansetthebehaviorofthemachinespindleintheG-code.Spindle:SettheG-codecommandforspindleforward,reverse,andstop.Speed:Settheoutputmodeofthespindlespeed.Coolant:SettheG-codecommandtoturnthecoolantonandoff.ProgramCode:G-codeinstructionsthatsettheprogramtosuspendandterminate.1.5.3Spindlesettings1.5CNClatherearsettingFigure1.19SpindlesettingsTask1:LearnthekeyknowledgepointsInthe"Addresses"tabinthemiddleofthepost-settingsdialogbox,youcansettheoutputformatofeachcommandaddressoftheG-code.Thelistofcommandaddressesontheleftsideofthetablistsallavailableaddresssymbols,suchasX,Y,Z,I,J,K,G,M,F,S,etc.Theformatofeachaddresscharactercanbemodifiedintheformatdefinitionontheright.1.5.4AddressSettings1.5CNClatherearsettingFigure1.20AddresssettingsTask1:LearnthekeyknowledgepointsName:DirectlycontrolstheaddresstextoutputintheG-code.Thisisusuallythesameastheaddresscharacteritself,butsometimesitneedstobesetupspecifically.Modal:Thecommandaddresswilldeterminewhetherthecurrentoutputvalueisthesameasthevalueofthelastoutputbeforeoutput,ifitisdifferent,thecommandoutputmustbecarriedoutintheGcode,ifitisthesame,thecommandoutputwillbecarriedoutintheGcodeonlywhenthemodaloptionisselected.Coefficientformula:Transformsthevalueoutputbythecommandaddress.Forexample,iftheformulafortheXcommandaddressissetto"*(-1)",theXcoordinatesofalltoolpointswillbemultipliedby-1beforeoutput.1.5.4AddressSettings1.5CNClatherearsettingTask1:Learnthekeyknowledgepoints

Figure1.21AssociationsettingsInthe"Associations"tabinthemiddleofthepost-settingsdialog,youcansetthecommandaddresstobeusedfortheoutputofeachvalueintheG-code.Thelistofvariablesontheleftlistssomeofthenumericvariablesthatcanbeusedtomodifythecommandaddress.1.5.5AssociatedSettings1.5CNClatherearsettingTask1:Learnthekeyknowledgepoints1.5.6ProgramSettingsInthe"Programs"tabinthemiddleofthepost-setupdialog,youcansettheG-codefunctionsforeachsectionofthemachiningprocess.Thelistontheleftlistsallavailablefunctionnames,andtheFunctionBodytabontherightshowstheoutputformatoftheselectedfunction.Figure1.22Programsettings1.5CNClatherearsettingTask1:Learnthekeyknowledgepoints1.5.7TurningSettingsIntheTurningtabinthemiddleofthepost-setupdialog,youcansetsomeoftheuniqueparametersthatarespecifictoturningintheG-code.Figure1.23Turningsettings1.5CNClatherearsett