CATIA旋扭设计.docx
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- 上传时间:2022-10-29
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CATIA旋扭设计.docx
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CATIA旋扭设计
Knob
Step1:
CreatingtheWireframeGeometry
Loadthepartcalledknob_start.CATPartfromthe''Companion''andsavethepartintheStudentsdirectory.
1.Youaregoingtocreatefirstprofilenotusingthesketcher,workingonsupport.FirstswitchtotheWIREFRAMEOpenbody(DefineinWorkObjectoptioninthecontextualmenu).
▪ClickontheWorkOnSupporticon.
▪SelecttheZXplane.
▪ClickOKtoconfirm.
▪Clickthecircleicontocreatethefirstprofileonthepredefinedsupport.
▪SelectthecenterandradiustypeandPartArccirclelimitation.
▪Createthecenterpoint“onthefly”clickingtheCenterPointfield:
▪Selectthe“coordinates”pointtypeandkeyinX=0,Y=0andZ=0.
▪Keyintheradius64mm,thestartangle–90degandtheendangle0deg:
▪ClickOKtoconfirmthefirstprofilecreation.
▪ExittheWorkOnSupportmodedeletingtheworkingsupportinthespecificationtree:
2.Youaregoingtocreatesecondprofilenotusingthesketcher,workingonsupport.
▪ClickontheWorkOnSupporticon.
▪SelecttheYZplane.
▪ClickOKtoconfirm.
▪Clickthecircleicontocreatethefirstprofileonthepredefinedsupport.
▪SelectthecenterandradiustypeandPartArccirclelimitation.
▪Createthecenterpoint“onthefly”clickingtheCenterPointfield:
▪Selectthe“coordinates”pointtypeandkeyinX=30,Y=50andZ=0.
▪Keyintheradius20mm,thestartangle190degandtheendangle260deg:
▪ClickOKtoconfirmthesecondprofilecreation.
▪Deletethesupportinthetree.
3.Youwillnowcreatethethirdprofileusingthesketcher.
▪SelecttheSketchericonandselecttheYZplane.
▪Selectthelineiconanddrawthislinewithitsconstraints:
▪Exitthesketcher.Thethirdprofileiscreated.
Step2:
CreatingtheBasicSurfaces
4.Youaregoingtocreatetwoextrudedsurfaces.
▪ClickontheExtrudeicon.
▪Selecttheprofile1andkeyintheseparameters:
▪ClickOKtoconfirmthefirstsurfacecreation.
▪ClickontheExtrudeicon.
▪Selecttheprofile2andkeyintheseparameters:
▪ClickOKtoconfirmthefirstsurfacecreation.
5.Youaregoingtocreatetherevolutionsurface.
▪ClickontheRevolutionicon.
▪Selectthethirdprofileandkeyintheseparameters(axis:
verticalaxisofthesketch):
▪ClickOKtoconfirm.Allthebasicsurfacesarecreated.
Step3:
PerformingOperationstheBasicSurfaces
6.Youaregoingtotrimthefirstextrudedsurfaceandtherevolutionsurface.
▪Clickonthetrimicon.
▪Selectthefirstextrudedsurfaceandtherevolutionsurface:
▪Usingthe“Othersideelement1”and“Othersideelement2”button,aimtoobtainthis:
▪ClickOKtoconfirmthetrimcreation.
7.Youaregoingtosplitthesecondextrudedsurfacewiththepreviouslycreatedtrim.
▪Clickonthespliticon.
▪Selecttheextrudedsurfaceaselementtocut,andthetrimascuttingelement.
▪Playingwiththe“Otherside”button,aimtoobtainthis:
▪ClickOKtoconfirmthesplitcreation.
8.Youaregoingtoextrapolatethepreviouslycreatedsplitsurface.
▪Clickontheextrapolateicon.
▪Selectthesplitsurfacelowerboundary.
▪Selectthesplitsurface.
▪Selectthe“uptoelement”extrapolationtype.
▪Selectthetrimsurfaceandactivatethe“Assembleresult”button:
▪ClickOKtoconfirmtheextrapolatecreation.
9.Youaregoingtoextrapolatethepreviouslycreatedextrapolatesurface.
▪Clickontheextrapolateicon.
▪Selecttheextrapolatedsurfacehigherboundary.
▪Selectthesplitsurface.
▪Selectthe“uptoelement”extrapolationtype.
▪Selectthetrimsurfaceandactivatethe“Assembleresult”button:
▪ClickOKtoconfirmthesecondextrapolatedsurfacecreation.
10.Youaregoingtotrimthepreviouslycreatedextrapolatesurfacewiththefirstcreatedtrimsurface.
▪Clickonthetrimicon.
▪Selectthelastcreatedextrapolatedsurfaceandthefirstcreatedtrim.
▪Usingthe“Othersideelement1”and“Othersideelement2”button,aimtoobtainthis:
▪ClickOKtoconfirm.
11.Youaregoingtocreateavariablefiletonthepreviouslycreatedtrim.
▪Clickonthevariableradiusfilleticon.
▪Selectthisedgeandkeyintheradius10mm:
▪Double-clickontheleftradiusvalueandkeyin20mm:
▪ClickOKtoconfirm.Yougetthis:
▪ClickOKtoconfirmthefilletcreation:
12.Youaregoingtocreateanedgefiletonthepreviouslycreatedsurface.
▪Clickontheedgefilleticon.
▪Selectthisedgeandkeyintheradius5mm:
▪ClickOKtoconfirmthefilletcreation:
13.Youaregoingtocreatethesymmetricsurfaceandjointhetwosurfaces.
▪Clickonthesymmetryicon.
▪SelectthepreviouslycreatedsurfaceaselementtosymmetrizeandtheYZplaneasreference:
▪ClickOKtoconfirm.
▪Clickonthejoinicon.
▪SelecttheEdgeFillet.2surfaceandtheSymmetry.1surface.
▪ClickOKtoconfirmthejo
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- 关 键 词:
- CATIA 设计