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1、CREATINGANIMPELLERWITHCATIAV5Beforeyoustart,makesureyourunitsaresettoEnglish.GototheGenerativeShapeDesignmodule,underShapeintheStartmenu.CreateanAxissystembyclickingtheAxisiconandhitOK,thiswilldefaultto0,0,0forAxisSystem.1Youwillcreate3setsofpointsusingthefollowingprocess:DoubleclickthePointicon,
2、thiswillstayonuntilyouclickitagain,orselectanothercommand.SelectthePointonPlaneoption.KeyinyourHandVvalues,thenselecttheplane,thenhitOK,thenkeyinyournextVandH,planeandenteruntildone.Youcanfindthecommandsinthe"Insert"dropdownmenuifyoucannotfindtheicons.
Thefirst5pointsareontheYZplane,(Byselecting
3、the^onthatplane):H:0V:2.0H:0.1V:1.98H:0.7V:1.2H:1.5V:0.2H:2.6V:0=PTS.1-5UsethesplinecommandtocreateSpline.1,pickthepointsinline,toptobottomorbottomtotop.=Spline.1CreateRevolute.1withtheappropriatecommand(SurfaceRevolution),inthecommandbox:Profile:Spline.1Axis:Z(ItwillsayAxissystem.1Edge.4)Angle1
4、:360(leaveAngle2at0)=Revolute.1(YoumusthitOKafterinputtingallthevaluesforeachdialogbox)No-ShowallbuttheAxis.PutaplaneatZ=1.5byselectingtheplanecommandwiththedialogboxvalues:Planetype:OffsetplaneReference:XYPlaneOffset:1.5=Plane.1CreateaSplineonPlane.1fromthepoints:H:-0.2V:0.59H:0.25V:1.0H:0.7V:1.
5、8H:1.25V:2.165=PTS.6-9=Spline.2RetrieveRevolute.1fromNo-ShowandprojectSpline.2ontoit,intheProjectiondialogbox:ProjectionType:AlongadirectionProjected:Spline.2Support:Revolute.1Direction:Zaxis(NearestSolutionon)=Project.1No-Showallbuttheaxis.CreateanotherSplineontheYZplanewiththepointvalues:=PTS.1
6、0-12H:1.3V:2.0H1.8V:0.5H:2.5V0.2=Spline.3RevolveSpline.3aroundtheZaxis=Revolute.2No-ShowthepointsandtheSplineandretrieveProject.1.ProjectProject.1ontoRevolute.2withthedialogboxvalues:ProjectionType:NORMAL(itwillprojectouttothesurface)Projected:Project.1Support:Revolute.2(NearestSolutionon)=Projec
7、t.2No-ShowRevolute.2,leavingProject.1,Project.2andtheaxis.Connnectthetopsofthe2curveswithaline,thedialogboxwillshow:Type:PointToPointPoint1:Project.1VertexPoint2:Project.2Vertex(Idoubttheorderisimportant)Support:None
