搜索
CREATINGANIMPELLERWITHCATIAV5Beforeyoustart,makesureyourunitsaresettoEnglish.GototheGenerativeShapeDesignmodule,underShapeintheStartmenu.CreateanAxissystembyclickingtheAxisiconandhitOK,thiswilldefaultto0,0,0forAxisSystem.1Youwillcreate3setsofpointsusingthefollowingprocess:DoubleclickthePointicon,thiswillstayonuntilyouclickitagain,orselectanothercommand.SelectthePointonPlaneoption.KeyinyourHandVvalues,thenselecttheplane,thenhitOK,thenkeyinyournextVandH,planeandenteruntildone.YoucanfindthecommandsintheInsertdropdownmenuifyoucannotfindtheicons.Thefirst5pointsareontheYZplane,(Byselectingthe^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.1\Edge.4)Angle1:360(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:1.8H: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.10-12H: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)=Project.2No-ShowRevolute.2,leavingProject.1,Project.2andtheaxis.Connnectthetopsofthe2curveswithaline,thedialogboxwillshow:Type:PointToPointPoint1:Project.1\VertexPoint2:Project.2\Vertex(Idoubttheorderisimportant)Support:None=Line.1UsingtheLoftfunction,selectProject.1andProject.2(TheseareSections,andwillappearinthetopbox)ThenchangetotheSPINEtab(inthedialogbox)andselectLine.1(Thiswillblendasurfacebetweenthecurvesalongthespine)=Loft.1NowduplicateLoft.1withtheCircularPatternfunction,Selecttheloftafterclickingtheicon,thenthedialogboxwillappear:Parameters:Instance(s)andAngularSpacingInstances:18AngularSpacing:20ReferenceElement:Zaxis(selectthebox,picktheaxisafteritturnsblue)=CircPattern.1No-ShowallbutProject.1andProject.2RotatetheProjectswiththevalues:Element:Project.1(2)(theymustbedone1atatime,doProject.1first)Axis:AxisSystem.1\Edge.2(selecttheZlegofAxisSystem.1)=Rotate.1Angle:10(selecttheHideInitialElementoption,thenOK)=Rotate.2NowsplitthecurvescalledRotate.1&2withapoint,selectthepointiconandselectRotate.1,thepointdialogboxwillshow:Pointtype:OncurveCurve:Rotate.1DistanceOnCurve(on)Geodesic(on)Point:DefaultLength:1.0(thisistheonlyvalueyouhavetoputin)=Point.13Usealengthof1.3forRotate.2=Point.14Afterselectingtheicon,selectthelowerend(thesidetokeep)thenthepoint,dialogboxshows:=Split.1Pointtype:OnCurve=Split.2Elementtocut:Rotate.1Cuttingelements:Point.13Support:NoneCreatealinebetweentheverticesofSplit.1and2.=Line.2CreatealoftfromSplit.1and2alongLine.2=Loft.2CreateaCircularPatternofLoft.2withthesamevaluesusedonLoft.1.=CircPattern.2No-ShowallbutProject.1andProject.2RotateProject.1and2againaboutZ,thistimeonly5degrees.=Rotate.3=Rotate.4Splitwiththepointat1.5forRotate.3=Point.15Splitwiththepointat1.93forRotate.4=Split.3Connectthecurveswithaline.=Point.16Loft(sameasbefore)=Split.4CircularPattern,thistime36instances,at10degrees=Line.3=Loft.3Thesurfacesaremadefromcurves(splines),thecurvesaremadefrompoints,theyareassociative.=CircPattern.3Nowdoubleclickonanypoint(PT.6isthebest)andputinsomenewvalues,itupdatesquickly.