MillLevel1MetricTrainingTutorials
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TUTORIALSERIESFOR
HOWTOUSETHISBOOK
ThisbookprovidesacomprehensivestepbystepapproachtolearningMastercamMill.It containspagesofprojects,helpfulhints,aswellastoolandmateriallibraryinstructions. Thebookcoverstenpartprojectsinallandanadditional17exercises. Thematerialcoveredincludes2DGeometryandSolidsCreation,Drilling,Tapping,Contouring, Pocketing,CircleMillingandSlotMilling.Italsocontains2DHighSpeedToolpathsandFeature BasedMachining.ExplanationsaregivenfortheuseofWCSinmultiplefixtureapplicationsas wellasproperStockSetupandToolSettings. TheMillTrainingTutorialsalsoincludeaGeneralNoteschapterwithusefultoolsandshortcuts thatmakethesoftwareeasiertouse.Analphabeticdescriptionofthe2Dtoolpathparameters, oftheSolidmenuandOperationsManagerarealsocoveredintheGeneralNotes. EachtutorialwalksyouthroughalltheproceduresfromGeometryCreationtoToolpath instructions,VerificationandGCodeGeneration.
LEGEND: Steptofollowtocompletethetutorial
Additionalexplanationforthecurrentsteporwarnings.
Calloutsthatgivedirectiononhowtocompletethetask
Calloutsthatdescribetheparametersusedinthecurrentstep
[Selectpositionforfirstcorner]:Mastercamprompts
Boldtext(usually)representsMastercamterminology
TABLEOFCONTENTS
GettingStarted A1 GraphicUserInterface............................................................................................. A1 NavigateThroughtheSystem.................................................................................. A2 SettingMastercamtoMetric................................................................................... A5 SettingtheToolbarStatesforMill........................................................................... A7 SettingtheGrid ........................................................................................................ A9
TUTORIALS 11 Tutorial#1,2DGeometry,OpenContourandDrilling............................................ 11 Tutorial#2,2DGeometry,Drill,OpenPocket,OpenContourandChamfer.......... 21 Tutorial#3,2DGeometry,Tapping,Contouring,PocketingandSaveOperations. 31 Tutorial#4,2DGeometry,Drill,SlotMill&2DHSCoreMill .................................. 41 Tutorial#5,2DGeometry,DynamicMill&TransformToolpaths ........................... 51 Tutorial#6,2DGeometry,PocketwithanIsland&CircleMill ............................ 61 Tutorial#7,2DGeometry,UsingWCS,Facing,Drilling,Pocketing,Contour.......... 71 Tutorial#8,2D&SolidsGeometry,MachiningthepartusingWCS ....................... 81 Tutorial#9,2D&SolidsGeometry,2DHSToolpaths,ImportaSolidWorksfile 91 Tutorial#10,ImportaSolidWorksfile,Orientthepart,Dynamicplane&FBM, 101 GeneralNotes B1 DefaultKeyAssignments ......................................................................................... B2 Customizing.............................................................................................................. B3 KeyMapping ............................................................................................................ B7 DataEntryShortcuts ................................................................................................ B9 2DToolpathParameters ......................................................................................... B10 2DHSSpecificParameters ...................................................................................... B23 Creating3DWireframe ............................................................................................ B28 SolidsMenuCommands .......................................................................................... B33 SolidsManager......................................................................................................... B34 Chaining ................................................................................................................... B36 WindowSelection .................................................................................................... B39 ChainingandWindowOptions ................................................................................ B40 ToolpathsManager.................................................................................................. B42 Properties................................................................................................................. B47 MillingGCodes........................................................................................................ B50
CreatingorEditingaToolintheLibrary C1 CreateaNewTool.................................................................................................... C1 EditanExistingTool ................................................................................................. C6
TUTORIALSERIESFOR
TUTORIAL#7 LEVEL1–3DWIREFRAME USINGWCS,FACING,CONTOURING,POCKETING,DRILLING, IMPORTFROMLIBRARY.
MillLevel1Metric
TUTORIAL7
Objectives:
TheStudentwilldesigna3dimensionalwireframedrawingby: Creatingarectangle. Creatingparallellines. Creatingfilletradii. Creatingarcsknowingthecenterlocationandthediameter. Creatinganarctangenttothreeentities. UsingTranslatetocreatea3dimensionalwireframe.
TheStudentwillcreatea2dimensionalmillingtoolpathconsistingof:
FirstSetup Facingthebottomofthepartforanevensurface. ImportingfromthelibraryM16x2holes. Drilling10mmholes.
SecondSetup Facingthetopofthepart Machiningsimultaneoustwopocketswithdifferentdepths. Circlemillingthe50mmhole. Machininga2Dcontour.
TheStudentwillcheckthetoolpathusingMastercam’sVerifymoduleby: Defininga3dimensionalrectangularblockthesizeoftheworkpiece. RunningtheVerifyfunctiontomachinethepartonthescreen.
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GEOMETRYCREATION SettinguptheGraphicUserInterface Beforestartingthegeometrycreationweshouldcustomizethetoolbarstoseethetoolbarsrequiredto createthegeometryandmachinea2Dpart.SeeGettingstartedpageA7fordetails. MakesurethattheGridisenabled.Itwillshowyouwherethepartoriginis.SeeGettingstartedpageA 9forfurtherinformation. TheOperationsManagertotheleftofthescreencanbehiddentogainmorespaceinthegraphicarea fordesign.Fromthekeyboard,pressAlt+Okeyssimultaneouslytohideit.Repeatthiscommandto makeitvisibleagain.
Startinganewfile
File New
STEP1:CREATETHEOUTSIDEPROFILE
StepPreview:
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Create RectangularShapes TypetheWidth ,theHeight showninthefollowingpicture.
andtheRadiusofthefillet
as
SelecttheRectangularShape. Selecttheleftbottomradiobuttonastheanchor.
Selectthisradiobutton
Donotexitthedialogboxuntilyouselectthebasepoint
[Selectpositionforthebasepoint]:Selectthecenterlocationofthegrid(theorigin).
SelecttheOrigin
SelecttheOKbuttontoexittherectangledialogbox. UsetheFiticontofitthedrawingtothescreen.
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Duringthegeometrycreationofthistutorial,ifyoumakeamistake,toundothelaststepyoucanusethe
Undoicon. theRedoicon.
Youcanundoasmanystepsasneeded.Ifyoudeleteorundoastepbymistake,justuse
STEP2:CREATETHE14MMAND10MMDIAMETERCIRCLESKNOWINGTHE CENTERPOINTANDTHEDIAMETER StepPreview:
2.1Createthetwo14mmdiametercircles
Create Arc CircleCenterPoint EntertheDiametervalue
14(Enter).
Tobeabletocreatemorethanonecirclewiththesamediameter,selectthediametericon
to
lockthevalue. [Enterthecenterpoint]:Selectthecenterpointofthefilletarcsasshowninthefollowingtwo pictures.
Selectthecenter ofthefilletarc
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SelecttheApplybutton.
2.2Createthetwo10mmdiametercircles Changethediameterto10andleaveitlocked(PressEnter) [Enterthecenterpoint]:Selectthecenterpointofthefilletarcsasshowninthefollowingtwo pictures.
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SelecttheApplybuttontocontinueusingthesamecommand.
STEP3:CREATETHECIRCLESWITH74MMAND50MMDIAMETERS
StepPreview:
3.1Createthe74mmdiametercircle. Unlockthevaluebyreselectingthediametericon. EntertheDiametervalue
74(Enter).
[Enterthecenterpoint]:SelecttheFastPointicon. Enterthevaluesintotheboxtotheleftoftheicon:100,75(Enter). SelecttheApplybuttontocontinueusingthesamecommand.
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3.2Createthe50mmdiametercircle. EntertheDiametervalue 50(Enter). [Enterthecenterpoint]:SelecttheCenter locationofthe74mmdiameter. SelecttheOKbutton.
STEP4:CREATETHELEFTSIDEPOCKET
StepPreview:
4.1Createtparallellines. SubStepPreview:
Create Line Parallel
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[Selectaline]:SelectEntityA. [Selectthepointtoplaceaparallellinethrough]:Pickapointabovetheselectedline. TypetheDistance 7537(Enter). [Selectaline]:SelectEntityA. [Selectthepointtoplaceaparallellinethrough]:Pickapointabovetheselectedline. TypetheDistance
7537+74(Enter).
RememberthatMastercamperforms basicmathfunctions.
SelectEntityA
[Selectaline]:SelectEntityB. [Selectthepointtoplaceaparallellinethrough]:Pickapointtotherightoftheselectedline. TypetheDistance
12(Enter).
SelectEntityB
SelecttheOKbuttontoexitthecommand.
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4.2Createthetwopolarlinesusinglineendpointscommand. SubStepPreview:
Create Line Endpoints EntertheLengthandtheAngle: [Specifythefirstendpoint]:SelecttheCenterofthe50mmdiametercircle.
Selectthecenter SelecttheApplybutton. to createanotherlineusingthesamecommand.
EntertheLengthandtheAngle: (PressEnter) [Specifythefirstendpoint]:SelecttheEndpointofthelineasshown. SelecttheOKbutton.
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4.3Removepartsofthe74mmdiametercirclethatlieaboveandbelowthepolarlinesusing Trim/Dividecommand Bydividingthearcwearemaintainingthepartofthearcthatisneededfortherightsidepocket.
SubStepPreview:
Edit Trim/Break Trim/Break/Extend SelecttheDivideiconfromthetrimribbonbar. [Selectthecurvetodivide]:SelectEntityAhere. [Selectthecurvetodivide]:SelectEntityBhere.
SelecttheEntityAhere
SelecttheOKbutton.
SelecttheEntityBhere
4.4Creatingthe3mmradiusfilletsatallcornersoftheleftsidepocket Notethatthefilletcommandwillallowustoautomaticallytrimthegeometry.
SubStepPreview:
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Create Fillet Entities EnterthefilletRadius
3
EnabletheTrimiconfromtheRibbonband. [Fillet:Selectanentity]:SelectEntityA Fillet:Selectanotherentity]:SelectEntityB [Fillet:Selectanentity]:SelectEntityBagain [Fillet:Selectanotherentity]:SelectEntityC [Fillet:Selectanentity]:SelectEntityCagain [Fillet:Selectanotherentity]:SelectEntityD [Fillet:Selectanentity]:SelectEntityDagain [Fillet:Selectanotherentity]:SelectEntityE [Fillet:Selectanentity]:SelectEntityEagain [Fillet:Selectanotherentity]:SelectEntityF [Fillet:Selectanentity]:SelectEntityFagain [Fillet:Selectanotherentity]:SelectEntityA
SelectEntityB here
SelectEntityC here
SelectEntityA here
SelectEntityD here
SelectEntityF here
Select EntityE here
SelecttheOKbuttontoexitfilletcommand.
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STEP5:CREATETHERIGHTSIDEPOCKET StepPreview:
5.1Createparallellines SubStepPreview:
Create Line Parallel [Selectaline]:SelectEntityA. [Selectthepointtoplaceaparallellinethrough]:Pickapointabovetheselectedline. TypetheDistance
25(Enter).
[Selectaline]:SelectEntityA. [Selectthepointtoplaceaparallellinethrough]:Pickapointabovetheselectedline. TypetheDistance
25+100(Enter).
SelectEntityA
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[Selectaline]:SelectEntityB. [Selectthepointtoplaceaparallellinethrough ]:Pickapointabovetheselectedline. TypetheDistance
13(Enter).
SelectEntityB [Selectaline]:SelectEntityC. [Selectthepointtoplaceaparallellinethrough]:Pickapointtotherightoftheselectedline. TypetheDistance
187(Enter)
SelectEntityC
[Selectaline]:SelectEntityD [Selectthepointtoplaceaparallellinethrough]:Pickapointtotheleftoftheselectedline. TypetheDistance
57(Enter)
SelectEntityD
[Selectaline]:SelectEntityDagain [Selectthepointtoplaceaparallellinethrough]:Pickapointtotheleftoftheselectedline. TypetheDistance
75(Enter)
SelecttheOKbuttontoexitthecommand.
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5.2Creatingthe6mmradiusfilletsat3cornersoftherightsidepocket Rememberthatthefilletcommandwillallowustoautomaticallytrimthegeometry.
SubStepPreview:
Create Fillet Entities EnterthefilletRadius
6
MakesurethattheTrimiconintheRibbonbandisenabled. [Fillet:Selectanentity]:SelectEntityA Fillet:Selectanotherentity]:SelectEntityB [Fillet:Selectanentity]:SelectEntityC [Fillet:Selectanotherentity]:SelectEntityD [Fillet:Selectanentity]:SelectEntityDagain [Fillet:Selectanotherentity]:SelectEntityE
SelectEntityChere
SelectEntityDhere
SelectEntityBhere
SelectEntityAhere SelectEntityEhere SelecttheApplybuttontofinishthelast tousethesamecommand.
filletandcontinue
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5.3Creatingthe10mmradiusfillet SubStepPreview: ChangethefilletRadius 10 [Fillet:Selectanentity]:SelectEntityA [Fillet:Selectanotherentity]:SelectEntityB
SelectEntityAhere
SelectEntityBhere
SelecttheOKbutton.
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5.4Creatinganarctangenttothreeentities
SubStepPreview:
Create Arc ArcTangent EnableArcTangent3EntitiesiconintheRibbonBar. [Selecttheentitythatthearcistobetangentto]:SelectEntityA [Selecttheentitythatthearcistobetangentto]:SelectEntityB [Selecttheentitythatthearcistobetangentto]:SelectEntityC
SelectEntityAhere
SelectEntityBhere
SelecttheOKbutton.
SelectEntityChere
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5.5Deletetheconstructionline. SubStepPreview: Selectthelineasshowntotheright. SelecttheDeleteentityicon.
Selectthisline
5.6TrimthegeometryusingTrim2entitiesandTrim3entitiesoptions
SubStepPreview:
Edit Trim/Break Trim/Break/Extend
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SelecttheTrim2entitiesbutton. [Selecttheentitytotrim/extend]:SelectEntityA. [Selecttheentitytotrim/extendto]:SelectEntityB.
SelectEntityAhere
SelectEntityBhere
SelecttheTrim3entitiesbutton. [Selectthefirstentitytotrim/extend]:SelectEntityC [Selectthesecondentitytotrim/extend]:SelectEntityD [Selecttheentitytotrim/extendto]:SelectEntityE
SelectEntityDhere SelectEntityEhere
SelectEntityChere SelecttheRepaintbutton. SelecttheOKbutton.
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STEP6:CREATETHE3DWIREFRAME StepPreview: SelectEntityA
Xform Translate [Selectentitiestotranslate]:Holddown theShiftkeyandselectEntityAasshown. Notethattheentirerectangleshouldbe highlighted.Otherwise,pleasecheck theUserNotesonhowtofix geometryproblemsinchaining
Selectallthecircles Selectallthecirclesasshown. SelecttheEndSelectionbutton.
EnableJoin. Setthenumberoftranslationsto#1. ChangetheDeltavalueonZto25 SelecttheApplybuttontocontinue.
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[Selectentitiestotranslate]:HolddowntheShiftkeyandselectEntityB. Notethattheentirepocketshouldbe highlighted.
SelectEntityB
SelecttheEndSelectionbutton. EnableJoin. Setthenumberoftranslationsto#1. ChangetheDeltavalueonZto10
SelecttheApplybuttontocontinue.
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[Selectentitiestotranslate]:HolddowntheShiftkeyandselectEntityC. Notethattheentirepocketshouldbehighlighted.
SelectEntityC
SelecttheEndSelectionbutton.
ChangetheDeltavalueonZto19. SelecttheOKbuttontoexit.
Screen Clearcolors SelecttheIsometricViewfromtheviewtoolbartoseethestock. SelectFitbutton.
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Thefinalgeometryshouldlookasshownbelow
STEP7:SAVETHEFILE
File Saveas Filename:“YourName_7” SelecttheOKbutton.
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TOOLPATHCREATION SUGGESTEDFIXTUREFORSETUP1:
Z Y X
SETUPSHEETFORSETUP1:
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STEP8:SELECTTHEMACHINEANDSETUPTHESTOCKTOBEMACHINED TodisplaytheOperationsManagerpressAlt+O. UsetheFiticontofitthedrawingtothescreen.
IfamachineisalreadyselectedintheToolpathsManager,skipthemachineselectionstep.
Machinetype Mill Default SelecttheplusinfrontofPropertiestoexpandtheToolpaths GroupProperties.
Selecttheplus SelectFiles.
SelectFiles
MakesurethatthemachinedefinitionistheMILLDEFAULTMM.MMDasshown. Otherwise,followtheinstructionsfromTutorial1page112to114toreplaceitwiththeproper metricmachine. Alltheotherfilesusedbythismachinegrouparemetricfilesaswell.
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SelectToolSettingstosetthetoolparameters Changetheparameterstomatchthescreenshotbelow. SelectStockSetuptab. MakesurethattheShapeissettoRectangular. SelecttheBoundingboxbuttonforthesystemtoautomaticallyfindthepart’soveralldimensions.
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EnableLinesArcstocreatethegeometryofthestock. ExpandX,YandZvalueswith2 SelecttheOKbuttontoexittheBoundingBoxwindow.
SelecttheOKbuttontoexit MachineGroupProperties.
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SelecttheIsometricViewfromtheviewtoolbartoseethestock.
SelectFitbutton. Thestockshouldlookasshownbelow.
STEP9:USINGWCSMANAGERFLIPTHEPART.MACHINETHEBOTTOMOFTHE PARTFORANEVENSURFACEFORFUTUREOPERATIONS UsetheViewManagerasacentralpointforselecting,editing,creatingandmanagingviews.Youcan selectwhichviewstousefortheCplane,Tplane,ortheworkcoordinatesystem(WCS).Youcanalsoset aneworiginofaviewandassignanewworkoffset(G54,G55...)toaview.
9.1UsingWCS(WorkCoordinateSystem)todefinethenewview
StepPreview:
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SelectWCSintheStatusBar. SelectViewManager. SelectGeometrybutton. Youcandefineanewviewbasedonexisting geometrylike2lines,aflatentity(circleorflat surface)or3points.
Selectthelinesasshownbelow. NotethatthefirstlinethatyouselectwilldeterminetheXaxisorientationofthefutureview,andthe secondlinewilldetermineYaxis.Zaxisshouldalwaysbeorientatedtowardstheoutsideofthepart.
Selectthefirstline
Selectthesecondline
SelecttheOKbuttontoaccepttheview.
Y
X
Z
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EntertheNewViewName:“BottomPartView”. MakesurethatAssociativeandSetneworiginare enabled.
SelecttheOKbuttontoexitNewView.
9.2UsingWCStosetaneworiginfortheview ClickonSelectbuttontoselectthenewOriginfromthegraphicarea.
[Selectapoint]:SelectEndpointAasashown.
SelectEndpointA
Theneworiginvaluesshouldlookasshown.
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9.3UsingWCStosetthenewviewasthecurrenttoolplane,constructionplaneandWCS SelectBottomPartViewandclickontheSetyourcurrentWCS,constructionplaneandtoolplane withtheiroriginstotheselectedviewbutton.
ChangetheZvalueintheOriginfieldto25tosetProgramzeroatthefinishsizenotatthetopof thestock.
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SelecttheOK buttontoexit.
SelecttheIsometricview.
SelectFitbutton. Thepartshouldlookasshownbelow. Theoriginforthenewplane
STEP10:FACETHEBOTTOMOFTHEPARTTOCREATEANEVENSURFACEFOR FUTUREOPERATIONS Facingtoolpathisusedtoquicklycleanthestockfromthetopofapart,andcreateanevensurfacefor futureoperations.Youcanbasethetoolpathoneitherchainedgeometryoronthecurrentstockmodel.
ToolpathPreview:
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10.1Selectionofthetopofthepart
Toolpaths Face SelecttheOKbuttontoaccepttheNCfilename.
[SelectOKtousedefinedstockorselectchain1]:SelecttheOKbuttonto usedefinedstock.
NotethatintheToolpathTypetheFacingiconisalreadyselected.
10.2Selecta75mmdiameterFacemill FromtheTreeviewlist,selectTool. ClickonSelectlibrarytool. SelecttheFilterbuttonandmakethechangesasshownbelow.
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SelecttheOKbutton. Highlightthe75mmFaceMillintheTool Selectionwindow. SelecttheOKbutton.
10.3SettheToolparameters ChangetheparametersintheToolpageasshown. NotethattheFeedrate,Plungerate,RetractrateandSpindlespeedarebasedonthetool definition.Changethemasneeded.
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10.4SettheCutParameterspage FromtheTreeviewlist,selectCutParametersandchangetheparametersasshown.
CuttingmethodsettoZigzagforbackandforthmotion. Acrossoverlapsetstheoverlapamountfortheedgesofthestockperpendiculartothecut direction. Alongoverlapsetstheoverlapamountfortheedgesofthestockparalleltothecutdirection. Approach/Exitdistancesetsanadditionaldistanceawayfromthestockonthefirst/lastpass. Maximumstepoversetthedistancebetweenadjacentpassesinthetoolpaths. Evennumberofpasses(availableonlywithZigzagcuttingmethod)setsanevennumberpasses whichensuresthatthelastpassreversesthecuttingdirection.Thisstrategypreventsburringor chippingonthelastpass. Roughinganglesetto0willmakethefirstpassalongpositiveXaxis. MovebetweencutssettoHighspeedloopscreates180degreesarcsbetweeneachcut.
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10.5SettheLinkingParameterspage FromtheTreeviewlist,selectLinkingParametersandchangetheparametersasshown. NotethattheDepthissettoabsoluteand0andtheTopofstockissetto2mm.Thisistheresultof settingupZ0tothetopofthefinishsizewhiledefiningtheBottomView.
SelecttheOKbuttontoexit2DToolpaths–Facing.
PressAlt+Ttoremovethetoolpathdisplay.
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STEP11:IMPORTTHEOPERATIONSFORTHEM14X2TAPHOLESFROMTHE LIBRARY
ToolpathPreview:
11.1Importtheoperations RightmouseclickinToolpathsOperationsManagerwindow. SelectImport… SelectthedropdownarrowintheSourcefolderandselecttheYourNameMetricOperations. Operations.
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ClickontheM14X2Tapgrouptoselectallthreeoperations. MakesurethatAssigncurrentsystemtoolandconstruction planesisenabled.Thisoptionadjuststheimportedoperations tousethecurrenttoolplaneandconstructionplane.
SelecttheOKbutton.
SelecttheNObuttontoimporttheoperationgroup. SelecttheOKbutton. ClosetheImportToolpathOperationsdialogbox.
Notethatalltheimportedoperationshavenogeometry.Wearegoingtoaddthecenterpointsand regeneratethetoolpathsasshowninthefollowingsteps.
11.2Addthecenterpointsinthetoolpathgeometry Selectthefirstdrilloperation,Geometry.
SelectGeometry
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SelecttheOKbutton. Right–mouseclickandSelectAddpoints… SelecttheEntitiesbuttonintheDrillPointSelection. [Selectentities]:Selectthe14mmdiametercirclesasshown. Selectthe14mm diametercircles SelecttheOKbuttontoexitDrillPointSelection.
NotethattwopointsareselectedintheDrillPointManager.
SelecttheOKbuttontoexitDrillPointManager.
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SelecttheRegenerateallselectedoperationsiconforthechange tobeappliedonlytothisoperation. SelectAlt+Tkeystoremovethetoolpathdisplay. Holdingtherightmousebutton,dragthenewGeometry(2)PointsontopofPeckdrillGeometry. ReleaseandselectAdd.
Rightmouseclick onGeometry,hold downanddrag
SelectNobutton,otherwisetheholeswillbedrilledatthesame depthasthedepthofthespotdrillingoperation.
11.3Modifythedrillparameters SelectthePeckDrillParametersintheToolpathsManager.
SelecttheParameters
FromtheTreeviewlist,selectToolandchangetheCommentto“Drillingalltapholeswith12mm Drill”.
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FromtheTreeviewlist,selectLinkingParametersandchangetheDepthasshowninthepicture totheright. FromtheextendedTreeviewlist,selecttheTipcompandchangethebreakthroughamountvalue asshown.
Breakthroughamountvalueallowsyoutogiveanextraamountforthetooltogo deeperthanthefinaldepthtopreventanyremainingmaterialforthecutouts. Tiplengthvalueisautomaticallycalculatedbythesystembasedonthediameterandtip angleofthetool.Thevalueisaddedtothefinaldepth.
SelecttheOKbuttontoexit2DToolpathsDrillparameters.
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Copythegeometryinthetappingtoolpathfollowingthesamestepsshownfordrilling geometry. SelecttheRegeneratealldirtyoperationsicon. PressAlt+Ttoremovethetoolpathdisplay.
STEP12:DRILLTHETWO10MMDIAMETERHOLES ToolpathPreview:
12.1Drillpointsselection
Toolpaths Drill SelecttheEntitiesbutton. [Selectentities]:Selectthe10mmdiametercircles. Selectthe10mm diametercircles SelecttheOKbuttontoexit DrillPointSelection.
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12.2SettheToolparameters FromtheTreeviewlist,selectTool. ClickonSelectlibrarytool. UsingFilterselectthe10mmDrillasshownintheprevioussteps. Addthecommentasshownbelow.
12.3SettheCutParameters FromtheTreeviewlist,selecttheCutParameterspageandchangetheCycletoPeckDrillas shown.
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12.4SettheLinkingParameters FromtheTreeviewlist,selecttheLinkingParameterspageandchangetheDepthifneededas shown. FromtheextendedTreeviewlist,selecttheTipcomp,enableitandaddaBreakthroughamount asshowntoensurethecompletemachiningofthethroughholes. SelecttheOKbuttontoexit2DToolpaths–Drillparameterpages.
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STEP13:SPOTDRILLTHE10MMDIAMETERHOLES Notethatwehavenotyetspotdrillthe10mmdiameterholes.Inthisstepwewillhavetoaddthecenter pointsofthe10mmdiameterholesintheexistingspotdrillingoperationgeometry.Wewillalsochange thedepthofthespotdrillforthe10mmdiameterholesonly.
ToolpathPreview:
13.1Addthecenterpointsofthe10mmdiameterholesintheexistingspotdrillingoperation IntheToolpathsOperationsManager,RightmouseclickonthelastPeckdrilloperationGeometry holdanddragthegeometryabovetheDrill/ConterboreGeometry. ReleasethemouseandselectAddfromthelist.
Rightmouseclickholdanddrag
SelectNobuttontodonotretainthedepthfromthe10mm drillingoperation.
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13.2Modifythedepthofspotdrillingforthe10mmholes SelecttheGeometryofthespotdrillingoperation.
SelectGeometry
ClickonthethirdPointandmakesurethatoneofthe10mmholesis selected. Then,Right–mouseclickonthethirdpointandselectChangeatpoint… IntheDrillchangeatpointdialogbox,enableDepthandchangethevalueto6. SelecttheOKbuttontoexitDrillchangeatpointdialogbox.
Repeatthestepsforthefourthpointandchangethedepthto6. Makesurethatfirstyouselectthepointandthendoarighmouse clickonit.
SelecttheOKbuttontoexitDrillPointManagerdialogbox.
Regeneratethetoolpath.
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STEP14:BACKPLOTTHETOOLPATHS Backplottingshowsthepaththetoolstaketocutthepart.Thisdisplayletsyouspoterrorsinthe programbeforeyoumachinethepart.Asyoubackplottoolpaths,MastercamdisplaysthecurrentX,Y, andZcoordinatesinthelowerleftcornerofthescreen. ClickontheToolpathGroupintheToolpathsManagertoselectall operations. SelectToolpathGroup1 SelecttheBackplotselectedoperationsbutton. Makesurethatyouhavethefollowingbuttonsturnedon(they willappearpusheddown). DisplayTools andRapidmoves SelecttheIsometricViewfromtheviewtoolbartoseethestock. SelecttheFitbutton.
Youcanadjustthespeedofthebackplot.
YoucanstepthroughtheBackplotbyusingtheStepforward
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SelectthePlaybuttonintheVCRbar. SelecttheOKbuttontoexitBackplot.
STEP15:VERIFYTHETOOLPATHS Verifysimulatesthemachiningofapartfromastockmodeldisplay.Thestockdimensionsarebasedon thevaluesthatwespecifiedintheStockSetup.
Selectalloperationsbutton.
SelecttheVerifyselectedoperationsbutton.
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Simulatetool simulatesthetoolpaths,displayingthe solidtoolwithouttheholder Updateaftereachtoolpathupdatesthestockaftereach operation. Stoponcollisionpausestheverificationwhenthetool touchesthepartwitharapidmove.
SelecttheConfigurebutton.
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Initialstocksizesourceshould besettoStockSetuptousethe stockinformationfromStock Setup. UseTrueSolidallowsyou,after verifyingthepart,torotateand magnifytheparttomoreclosely checkfeatures,surfacefinish,or scallops. Cuttercompincontrolallows Verifytousetheinformation regardingthetooldiameterand tosimulatethecutter compensation. Changetool/colortochangethe colorofthecutstockto indicatedtoolchangesinthe toolpath.
SelecttheOKbuttontoexitVerifyOptions.
SettheVerifyspeedbymovingthesliderbarinthespeedcontrolbar.
SelectthePlaybuttontostartsimulation. Thefinishedpartshouldappearasshowninthefollowingpicture. SelecttheOKbuttontoexitVerify.
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SUGGESTEDFIXTUREFORSETUP2: Thestockisheldona fixtureplateusingthe tappedandthedrill holes.ThetwoM14bolts andtwo10mmdowels holdandpositonthe part.
SETUPSHEETFORSETUP2:
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STEP16:CREATINGANDRENAMINGTOOLPATHGROUPS;RENAMINGTHENC FILE Tomachinethepartintwodifferentsetups,wewillneedtohavetwoseparateprograms.Tobeableto postprocessseparatelytheoperationsofeachsetup,wewillcreatethemunderdifferenttoolpath groupswithdifferentNCnames.
StepPreview:
16.1RenamethecurrentToolpathGroup1andtheNCfile ClicktwotimesontheToolpathGroup1tohighlightitandrenameit MachinePartBottom. RightmouseclickonthetoolpathgroupandselectEditselected operationsandthen,selectChangeNCfilename. EnterthenewNCname:“MachinePartBottom”. SelecttheOKbutton.
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16.2CreateanewToolpathGroup RightmouseclickontheMachineGroup1 SelectGroupsfromthedropdownlistandthenselect NewToolpathgroup. Renamethetoolpathgroup:“MachinePartTop”. MakesurethattheredinsertarrowisbelowtheMachiningPart Topgroup;otherwiseclickonitanddragitbelow.Thisensuresthat thenextoperationwillbeaddedinthepropergroup.
STEP17:SETTHETOPVIEWASTHECURRENTWCS,TOOLANDCONSTRUCTION PLANE
ToolpathPreview:
17.1UsingWCStosettheTopviewasthecurrenttoolplane,constructionplaneandWCS SelectWCSintheStatusBar. SelectWCSManager.
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SelectTopViewandclickontheSetyourcurrentWCS,constructionplaneandtoolplanewith theiroriginstotheselectedviewbutton.
SelecttheOK button.
SelecttheIsometricview.
SelectFitbutton. Thepartshouldlookasshowntothe right. Notethattheoriginissetattopofthe partatthelowerleftcorner.Follownext substepifyouwanttomovetheorigin attheupperleftcorner.
17.2UsingWCStosettheoriginattheupperleftcorner SelectWCSintheStatusBar. SelectViewManager.
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ClickontheSelectbuttonintheOriginareaasshown. [Selectapoint]:SelectEndpointA.
SelectEndpointA
ChangetheZvalueintheOriginareato0tosetagainthepartzeroatthe finishsize. Theneworigincoordinatesshouldlookasshown. SelecttheOK buttontoexitViewManger.
Notethatthegridmovesattheupperleftcorneratthetopofthepartatthefinishedsize.
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STEP18:FACETHETOPOFTHEPART
StepPreview:
18.1CopytheFacingoperationintheMachinePartTopgroup SelectonlytheFacingoperation. RightmouseclickontheexistingFacingoperationandselectCopyfromthelist. MovetheredarrowbelowtheMachinePartTopgroupifneeded. RightmouseclickbelowMachinePartTopgroupandselectPastefrom thelist.
Rightmouseclickhere
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18.2ChangetheplanestoTopintheFacingoperation FromtheToolpathsOperationsManagerselectParametersinthenewFacingoperation.
Parameters FromtheTreeviewlistselectPlanes. ClickonSelectWCSviewbuttonasshown.
FromViewSelectiondialogbox,selecttheTopviewasshown. SelecttheOKbuttontoexitViewSelectiondialogbox.
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SelectCopytotoolplaneandCopytoconstructionplanebuttonstosetalltheplanestotheTop plane. FromtheTreeviewlist,selecttheToolpageandchangethecommentasshown. SelecttheOKbuttontoexit.
Regeneratethetoolpath. PressAlt+Ttoremovethetoolpathdisplayifneeded.
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STEP19:ROUGHMACHINETHETWOPOCKETSINTHETOPVIEW
StepPreview:
19.1Selectthebottomchainsofthetwopockets Tobeabletomachinebothpocketsinthesameoperation,althoughtheyeachhavedifferentdepths,we needthe3Dwireframetoselectthepocketsatthebottom.
Toolpaths Pocket EnabledCplaneinChainingtobeabletoselectthechainswithoutstoppingatthebranches. Selectthetwopocketsatthebottom,asshown. Selectthefirst pockethere Selectthesecond pockethere
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Notethatbothpocketsarehighlighted.
SelecttheOKbuttontoexitChaining.
19.2Selecta25mmFlatEndmillandsettheparametersintheToolpage FromtheTreeviewlist,selectTool. Selectthe25mmFlatEndmillusingtheFilteroptionsasshowninthefacingoperation. Makethenecessarychangestomatchtheparameterswiththescreenshotbelow. RememberthattheFeedrate.Plungerate,RetractrateandSpindlespeedvaluesarealldefineinthe parametersofthetooldefinition.Changethemasneeded.
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19.3SettheCutParameters FromtheTreeviewlist,selecttheCutParameterspageandchangetheparametersasshown.
PockettypesettoStandardcanbeusedonlywithclosedchains.Thetoolwillbeconstrained insideoftheclosedchain. MachiningDirectionsettoClimbcutsinonedirectionwiththetoolrotatingintheopposite directionofthetoolmotion.Seethegraphicbelow. TipCompsettotheTipsetsthetooloffsettothetooltip. Rollcutteraroundcornersinsertsarcmovesaroundthecornersinthetoolpathforasmoother toolmovement.SettoSharp(135degreesorless)willrollthetoolatthesharpcorners.
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FromtheextendedTreeviewlist,selectRoughingandselectascuttingmethodConstantOverlap Spiral.
StepoverpercentagesetsthedistancebetweenroughingpassesintheXYaxisasa percentageofthetooldiameterandwillautomaticallyupdatethestepoverdistance. Minimizetoolburialclearstheareaaroundpocketislands(semiislandsinourcase)to avoidtooldamageduetoremovingtoomuchstockatonce. Spiralinsidetooutsideenabledallowsyoutospiralfromthecentertothepocketwall. Displaystockforconstantoverlapspiralpreviewstheamountofstockremovedbythe roughingpasses. Toleranceforremachiningandconstantoverlapspiraldeterminestheaccuracyofthe toolpathwhenusingoneofthetwooptions.Recommendedtoleranceisthedefault.
SelecttheplussigninfrontoftheRoughingtoexpandtheTreeviewlist,and selectEntryMotion(ifneeded).
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EnableRampoptionsandchangetheparameterstomatchthefollowingscreenshot. TheramplengthvaluewillbedeterminedbyMastercamandcannotbesmallerthenthe MinimumlengthorbiggerthentheMaximumlength. Zclearancesetstheheightabovethestockwheretheentryrampwillstart. XYclearancesetstheminimumdistanceintheXYplanebetweentherampandthepocketwall. Plungezig/zaganglessettherampanglesasthetoolzigzagstothebottomofthepocketbefore beginningthecuttingpass. AutoanglesetsautomaticallytheangleintheXYplanebasedonthelongestareaofthepocket. Additionalslotwidthaddsafilletattheendofeachrampforasmoothertoolmovement.
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SelectFinishinganddisabletheoptionaswiththisoperationwewanttoroughonlythepart. FromtheTreeviewlist,selectDepthCutsandenabletheoption.
DepthcutsaretheZaxiscutsthatthetoolmakesinapockettoolpath. Maxroughstepsetsthemaximumamountthatcanbemachinedinonestep. Bypocketenablethesystemtocompletealldepthcutsinthefirstpocketbeforemoving tonextone.
Mastercamneverperformsunequaldepthcuts.Forexample,inourcase,theleftsidepocketis10mm deep;thestepiscalculated:(Finaldepth–Stockonthefloor)/2=(101)/2=4.5whichissmallerthen7. Thesamewaythesystemcalculatesthestepforthesecondpocket;(191)/3=6
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19.4SettheLinkingParameters FromtheTreeviewlist,selectLinkingParametersandenableClearanceheightandsettheTopof thestockandthefinalDepthasshown.
Depthvaluesetsthefinalmachiningdepthforthepocketoperation.Thevalueissetto0and incrementalandismeasuredfromthetwogeometrychainsthatweselected.Thisinsuresthat bothofthemaregoingtobemachinedtotheappropriatedepth. ChoosingIncrementaltellsthesystemtocalculatethevaluerelativetoeitherthecurrenttop ofstock(aswithClearanceparameter),relativetotheselectedgeometry(aswithTopofstock andDepthparameters),orrelativetothedepthofeachcut(aswithFeedplaneandRetract).
SelecttheOKbuttontoexit2DToolpathsPocketparameters. PressAlt+Ttoremovethetoolpathdisplay.
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STEP20:FINISHTHETWOPOCKETS
ToolpathPreview:
20.1Copytheexistingpocketoperation Youcancopyanoperationwhenmachiningthesamegeometryandusingthesametypeoftoolpath. Advantagesofusingacopyofanexistingoperationisthatwedonotneedtoselectthegeometrychains andwecanusesomeoftheparameterssetupintheoriginaloperation.
RightmouseclickandholditdownonthefoldericoninfrontofthePockettoolpath. Dragthemousedownandreleaseit. SelectCopyafter. Youshouldnowhavetwopockettoolpaths. LeftclickonthesecondpocketParameters.
SelectParameters
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20.2Selecta19mmFlatendmillandsettheToolpageparameters FromtheTreeviewlist,selecttheToolpage. ClickonSelectlibrarytool. Followingthestepsoutlinedearlier,usingtheFilteroption,selectthe19mmFlatEndmill.
20.3SettheCutParameters FromtheTreeviewlist,selecttheCutParametersandremovethestocktoleaveonthewallsand onthefloors.
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FromtheTreeviewlist,selectEntryMotionanddisabletheentry asshown. FromtheTreeviewlist,selectFinishingandenabletheFinishtofinishthewalls.Settherestof parameterstomatchthefollowingscreenshot.
Passessetsthenumberoffinishpasses. Spacingsetstheamountofstocktoberemovedwitheachcut.Becausewesetthe numberofpassesto1,theamountofstocktoberemoveisthestocktoleaveonthewalls amountsetintheroughingoperation. Finishouterboundaryneedstobeenabledtofinishthewallsofthepocket.
FromtheTreeviewlist,selecttheplussigninfrontoftheFinishing(ifneeded)andsetthe parametersfortheLeadIn/Outasshowntomakesmoothentry/exittoolmovesinandoutofthe remainingstock.
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FromtheTreeviewlist,selectDepthCutsanddisabletheoptiontoremovetheremainingstockin onestepatthefinaldepth. SelecttheOKbuttontoexitthe2DToolpathsPocket. PressAlt+Ttoremovethetoolpathdisplay.
Regeneratethetoolpath.
STEP21:BACKPLOTTHEPOCKETTOOLPATHS IntheToolpathsOperationsManager,clickonthefirstpocketoperation. HoldingdowntheShiftkeyselectthesecondpocket. ClickonBackplotselectedoperationsicon. Makesurethatyouhavethefollowingbuttonsturnedon(theywillappearpusheddown).
Displaytool
Displayrapidmoves Quickverify
SelecttheTopViewfromtheviewtoolbartoseethestock.
SelecttheFitbutton. SelectthePlaybuttonintheVCRbar.
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Youcanadjustthespeedofthebackplot.
Notetheremainingmaterialinthecorners.The19mmFlatEndmillcannotcleanupthestock.Inthe nextoperationwewillremachinethecornersusingasmallertool.
SelecttheOKbuttontoexitBackplot.
STEP22:REMACHINETHETWOPOCKETS Notethatthe19mmFlatEndMillcouldnotcleanthe3mmradiusfillets.Usingthe5mmdiameterFlat Endmilltoremoveallthematerialinsidethepocketwillnotbeefficient.Wewillremovetheremaining materialonlybyusinga5mmFlatEndmilltoolwiththeremachiningpocketstyle.
ToolpathPreview:
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22.1Copytheexistinglastpocketoperation Youcancopyanoperationonlywhenmachiningthesamegeometryusingthesametoolpath.Advantages ofusingacopyofanexistingoperationisthatwedon’tneedtoselectthegeometrychainsandwecan usesomeoftheparameterssetupintheoriginaloperation.
SelectonlythesecondPocket(operation8). RightmouseclickandholditdownonthefoldericoninfrontofthesecondPockettoolpath. Dragthemousedownandreleaseit. SelectCopyafter. Youshouldnowhavethreepockettoolpaths. LeftclickonthelastpocketParameters.
SelectParameters
22.2Selecta5mmFlatEndmillandsettheToolparameters FromtheTreeviewlist,selecttheToolpage. ClickonSelectlibrarytool. Followingthestepsoutlinedearlier,usingtheFilteroption,selectthe5mmFlatEndmill.
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22.3SettheCutParameters SelectCutParametersandchangethePockettypetoRemachiningasshownbelow. SettheComputeremainingstockfromtheRoughingtooldiameterandsettheparametersas shown.
Computeremainingstockfrom: Roughingtooldiameterenablesthesystemtocalculatetheremainingstockforremachining basedonthesizeofthetooldiameterthatyouenter. Clearance,setasapercentageofthetooldiameter,allowsyoutoexpandtheremachiningarea atthebeginningandattheendtopreventacuspofmaterialremaining. Applyentry/exitcurvestoroughpassesallowsyoutousetheLeadin/outparameters. Machinecompletefinishpassesallowsyoutofinishtheentirepart. FromtheTreeviewlist,selectRoughingandchangetheStepoverpercentageto70%toensurea completeremovalofthestock.
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FromtheTreeviewlist,selectDepthCutsandenableit. ChangetheMaxroughstepasshown. SelecttheOKbuttontoexitfromthe2DToolpathsPocket.
Regeneratethetoolpath. PressAlt+Ttoremovethetoolpathdisplay.
STEP23:CIRCLEMILLTHE50MMDIAMETERHOLE
ToolpathPreview:
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23.1Selectthetoolpathgeometry FromtheToolpathsOperationsManager,selectMoveinsertarrowdown oneitemuntiltheinsertarrowisbellowthelastoperation.
Toolpaths CirclePaths Circmill FromtheDrillPointSelection,selectEntitiesbutton. [Selectentities]:Selectthebottomof50mmdiameterholeasshown.
Selectthecirclehere
SelecttheOKbuttontoexitDrillPointSelectiondialogbox.
NotethatintheToolpathTypetheCircleMilliconisautomaticallyselected.
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23.2SettheToolparameters FromtheTreeviewlist,selecttheToolpage. Selecttheexisting19mmFlatEndmillfromthetoollistwindowasshown.
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23.3SettheCutParameters FromtheTreeviewlist,selecttheCutParametersandchangetheparametersasshown.
CompensationtypesettoComputerallowsMastercamtocompensatethetoolpathbased onthetooldiameteranddoesnotoutputG41/G42inthecode. CompensationdirectionsettoLeftcompensatesthetoolpathtotheleftofthechaininthe CCWdirection. TipCompsettotheTipsetsthetooloffsettothetooltip. Entry/exitarcsweepsetto90degreesmakesalinebetweentheplungepointandthe entry/exitarcmovementofa¼ofacircle,ateachentry/exit.Seethepicturebelow. Overlapsetshowfarthetoolgoespasttheendofthetoolpathbeforeexiting.Thisensuresa cleanfinish.
Entry/exitarcsweepsetto90degreeswillgeneratethis result.
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FromtheTreeviewlist,selectRoughingtoaddroughingpassestocompletedmachinetheinsideof thehole. EnableRoughingandsettheparametersasshown.
Circlemillroughingcreatesroughingpassesusingtangentarcs.Theresultprovidesa smoothmotionforthetool,ashortNCprogram,andgoodcleanout. Stepoverissetasapercentageofthetooldiameter. Helicalentryparameterscreatetheroughingmotiontangenttoahelicalentry. Outputarcmovesgeneratesarcmovementsinsteadofsmalllinearmoveswhichmakethe programsmaller.
FromtheTreeviewlist,selectDepthCutsandsettheparametersasshown.
DepthcutssetthecutsalongtheZaxis.Mastercamdividesthetotaldepthintoequal stepsbasedontheMaxroughstepvalue. Keeptooldownenableddoesn’tallowthetooltoretractbetweencuts.
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FromtheTreeviewlist,selectBreakThroughtocutcompletelythroughthematerialbythe amountspecified.
23.4SettheLinkingParameters FromtheTreeviewlist,selecttheLinkingParametersandchangetheparametersasshown. NotethattheDepthissettoIncrementaland0becauseweselectthecirclemillgeometryatthebottom (finaldepth).SettingtheDepthtoAbsoluteand25willgivethesameresult.
Selectthe OKbuttonfromthe2DToolpath–CircleMillparameterscreen. PressAlt+Ttoremovethetoolpathdisplay.
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STEP24:CONTOURTHEOUTSIDEPROFILE
ToolpathPreview:
24.1Selectthetoolpathgeometry
Toolpaths Contour MakesurethatCplaneisselectedintheChainingdialogbox. Selectthecontouratthebottom. Selectthefirstentityinthecontour,asshown. BesuretochainthecontourinaCWdirection.OtherwiseselecttheReverse button.
Selectthecontour here
SelecttheOKbuttontoexitChaining.
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24.2Selectthe25mmdiameterFlatEndMillandsettheparametersintheToolpage FromtheTreeviewlist,selecttheTool. Selecttheexisting25mmFlatEndmillandmakeallthenecessarychangesintheToolpage.
24.3SettheCutParameters SelecttheCutParametersfromtheTreeviewlistandchangetheCompensationtypetoControl. Makesurethattheparametersmatchthescreenshotbelow.
CuttercompensationsetinControloutputsG41orG42codestoturnthe compensationon.Thecompensationamountortoolwearadjustmentissetatthe control.Usingthismethodyouareprogrammingthepartedge.
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FromtheTreeviewlist,selectDepthCuts. EnableDepthcutsandsettheMaxroughstepto10mm. FromtheTreeviewlist,selectLeadIn/Out. NotethatCuttercompensationincontrolrequirestheLeadin/outparametertobeturnedon;mostof theCNCmachinesneedalinearmoveatthebeginningoftheprogramtocompensatethecutter diameter.Ifyouusethearcoptiontoo,makesurethattheradiusislargerthantheradiusofthetool.
Entry/exitatmidpointinclosedcontourswillmovethestartofthecontourtoolpathatthe midpointofthelinethatweselectedwhenchaining. Line/Tangentwillbetangenttothearcandmachinedfirstintheentrycombination.When exitingthepartthearcwillbemachinedfirst.Seethegraphicbelow.
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FromtheTreeviewlist,selecttheBreakThroughandenteraBreakthroughamountto completelymachinetheprofile.
24.4SettheLinkingParameters SelecttheLinkingParametersandmakethechangesasshown. NotethatthefinalDepthcanbesettoIncrementaland0duetothefactthatweselectasthecontour geometrythebottomofthecontour.
SelecttheOKbuttontoexit2DToolpaths–Contourparameters.
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STEP25:BACKPLOTTHETOOLPATHS FromToolpathsOperationsManagerclickontheMachinePartTopgrouptoselectallthe operationsdoneinthesecondsetup. RepeatSTEP14tobesurethatthechangeshavetakenplace. DisabletheQuickverifybutton.
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STEP26:VERIFYTHECHANGEDPART SelecttheSelectalloperationsbuttonfromToolpathManagerifneeded. RepeatSTEP15tobesurethatthechangeshavetakenplace. Thefinishedpartshouldappearasshowninthefollowingpicture.
STEP27:POSTTHEFILES RightmouseclickontheMachinePartTopgroupandselectEditselectedoperationsandthen, selectChangeNCfilename.
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EnterthenewNCname:MachinePartTop SelecttheOKbutton. Postprocessing,orposting,referstotheprocessbywhichthetoolpathsintheMastercampartfilesare convertedtoaformatthatcanbeunderstoodbythemachinetool'scontrol(forexample,Gcodes). Generally,everymachinetoolorcontrolwillrequireitsownpostprocessor,customizedtoproduce codeformattedtomeetitsexactrequirements. Makesurethatalloperationsareselected,otherwise,Selectalloperations. SelectthePostselectedoperationsbuttonfromToolpath Manager. InthePostprocessingwindow,makeallthenecessarychangesas showntotheright.
NCfileenabledallowsyoutokeeptheNCfileandto assignthesamenameastheMCXfile. Editenabledallowsyoutoautomaticallylaunchthe defaulteditor.
SelecttheOKbuttontocontinue. SelecttheOKbuttontopostthefirstgroupasthegeometry name(“MachinePartBottom”).
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SelecttheredXtoclosethefirstprogram. SelecttheOKbuttontostartthesecondprogram(“MachinePartTop”).
SelecttheredXtoclosethe editor.
STEP28:SAVETHEUPDATEDMCXFILE SelecttheSaveicon.
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REVIEWEXERCISES Studentpractice:CreatetheToolpathforTutorial7Exercise1aspertheinstructionsbelow; Tips: Createthe3DgeometryusingXformTranslate. Createeachpocketwithadifferentdepth. StocksizeuseBoundingboxtoestablishX,Y&Zsizesand giveextendX,Y,andZ2mm Setup1 Facethetopofthepartusing75mmFaceMill SpotDrillthe10mmdiameterholesusing15mmSpotDrill Drillthe10mmdiameterholesusing8.5Drill(Createthenewtool) Tapthe10mmdiameterholesusing10x1.5Tap Drillthe12mmdiameterholesusing12mmDrill Addthe12mmdiameterholescenterpointsintheSpotDrillandeditthedepthofthe holes.(SeeTutorial4) RoughPocketthepartusing25mmFlatEndmill Selecteachpocketatthebottom StocktoleaveXY=0,5 UseParallelspiralcleancornerscuttingmethod Depth=0(incr) Maxroughstep(depthcuts)=10mm Finishstep1mm RemachiningPocketthepartusing5mmFlatEndmill Maxroughstep(depthcuts)=3mm Finishstep1mm Setup2 Facethebottomofthepartusing75mmFaceMill Contourthepartusing25mmFlatEndmill BackplotandVerifythetoolpaths. Postprocessthefile.
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Studentpractice:CreatetheToolpathforTutorial7Exercise2aspertheinstructionsbelow; Tips: Createthe3DgeometryusingXformTranslate. StocksizeuseBoundingboxtoestablishX&Ysizesand giveexpandZ2mm.Createthestockgeometrytoo. Setup1 Facethetopofthepartusing75mmFaceMill SpotDrillthe9mmdiameterholesusing15mmSpotDrill;6mmdeep Drillthe9mmdiameterthroughholesusing9mmDrill RoughallPocketsusing25mmFlatEndmill Selecteachpocketatthebottom Depth=0(incr) Maxroughstep(depthcuts)=10mm StocktoleaveXY=0,5 UseParallelspiralcuttingmethod RemachiningPocketthepartusing10mmFlatEndmill FinishPocketthepartusing10mmFlatEndmill Setup2 Facethebottomofthepartusing75mmFaceMill 2DHighSpeedCoreMillusing25mmFlatEndmilltomachinetheoutsideprofile Selecttheoutsiderectangleandtheoutsideprofile. BackplotandVerifythetoolpaths. Postprocessthefile.
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NOTES:
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TUTORIAL7QUIZ Whatcommandandwhatoptionswereenabledtocreatethe3Dwireframe? WhatdoesWCSstandfor? Whatentitiescanbeselectedtodefineanewplane,usingtheGeometryoptionintheView Manager? Whatisfacingtoolpathusedfor? Whatwouldyourequireastoolpathgeometry,andhowwouldyousetthefinalDepthvaluewhen machiningpocketswithdifferentdepthsinthesameoperation? Howdoesthesystemcalculatethestockforremachiningwhen“Computeremainingstockfrom Roughingtooldiameter”isenabled? Howisthetiplengthofthedrillcalculatedinthedrillingoperation?
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