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1、Mastercam的区域加工控制方法[abstract]inpracticalncmachining,oftenwillencountertoprocessingobject(usuallyathree-dimensionalentityorsurfacemodel)oftheareaoftheimplementationoftheprocess・Adoptingreasonableandeffectivecontrolmethodtoimplementtheprocessingofprocessingobjectsisoneofthekeystoimprovingt
2、heefficiencyofncmachiningandensuringthequalityofncprocessing・WhenusingMastercamsystemforncmachiningprogramming,canuselimitedtoolboundary(toolcontainmentboundaries),settheinterference(checksurfacesalsocallstheprotectionsurface),adding^auxiliaryplanecontrolmode"torealizemachiningobjectare
3、a・[keywords]MastercamThencmachiningRegionalprocessingThecontrolmethodOne,theintroductionMastercamisapc-basedCAD/CAMsystemdevelopedbyU・S.CNC・Sinceitslaunch,hasbeenwithitsfriendlyinterface,easytolearnandeasytouse,powerfulandfavoredbythemajorityofusers,isthefieldofncmachiningoneofthemostwi
4、delyusedCAD/CAMsystem.Inthispaper,Itakeapracticalexampleofdiemachining,andintroducesomecommonlyusedmethodsofcontrollingtheareaprocessingusingtheMastercamsystem.Asshowninfigure1,theimageofaplasticmoldismadeupofthreeparts:theproductcavity,thepartingsurfaceandtheslideblock・Inactualprocessi
5、ng,consideringthecavitypartoftheroundedcorneratthebottomoftheproductsizesmallervalues,itisdifficulttodirectlybythenumericalcontrolprocessinginplace,souseedmaspartofthewholecavityfinalfinishing.Thatistosay,theentireupperdieafterroughingandsemi-finishing(leaveaftercertainmachiningallowanc
6、e),onlythepartingsurfaceandtheslideblockslotfinishmachining,moldpartsandproductsisunnecessaryforCNCfinishmachining(cavitypartleftbythesurpluselectricitysparkprocessingfinallyremove)・Thisinvolvestheproblemofregionalprocessing,(limitedtothespacerelation,thefollowingisintroducedusingMaster
7、camonly45°parallelfinishingfeedingwaytorealizethepartingsurfacefinishingareaofthecontrolmethod・)FIG.1UpperdiegraphicsSecond,thecontrolmethodofregionalprocessingMethod1:limittoolboundaries(tools)ThecontainmentBoundaries)ThetoolcontainmentboundariesaretheboundariesthattheMasterca