汽车CATIA_培训教程

汽车CATIAGSD培训详细教程1-Startmenu2-File/Newmenu3-快捷菜单workbenchesGenerativeShapeDesign二、基础工具条与菜单对应简介（1/2）WireframeOperations基础工具条与菜单对应简介（2/2）SurfacesAnalysis三、各基本工具按钮的功能简介：1、Wireframe（创建线、框）BetweenBycoordinatesOnCurveOnsurfaceNormaltosurfaceTangenttocurveBisecting创建参考点、线AlignedwithreferencedirectionNormaltoreferencedirectionNormaltocircleCreatingPlane创建平面NormaltocurveTangenttosurfaceOffsetfromplaneOffsetfromplaneCreatingPlanes平面之间创建平面两平面可平行也可不平行4instancesCreatingaSetofPlanes一组平面以存在的平面为参考OriginCreatinganExtremum极值元素ElementExtremumIftheelementisasurface,youmayspecifytwoothersdirections.只有一种方向限制两种方向限制CreatingaPolarExtremum极坐标元素(1/2)最小半径最大半径最小角度最大角度极坐标元素(2/2)最小半径最大半径最小角度最大角度CreatingProjectedElements投影ProjectedElementsElementstoproject被投影元素可后创建，也可删除和修改对多解的时候，保留最近的解CreatingaCombinedCurve组合投影线两条曲线沿垂直或指定方向拉伸后，两曲面的交线ResultingcombinedcurveResultingcombinedcurveDirection1Curve2Direction1Direction2CreatingaReflectLine反射线反射线可把支撑面分成两部分Support曲面上法矢方向与指定方向成一定角度的点所构成的曲线3DCurveOffset3D曲线偏移IntersectingElements求交IntersectingElementElementstointersectIntersectionsTypeofcreatedelement:Or延伸求交交集在第一原素扩展空间求交ParallelCurve平行线ReferencecurveSupportParallelCurveGeodesicEuclideanRoundSharp按规则平行CenterandradiusCenterandpointTwopointsandradiusThreepointsSupportCreatingCircles圆及圆弧在支撑面上创建圆及圆弧Corners(3D)倒角Element1Element2SupportElement1Direction3DCorners可选择最高点倒角CreatingConnectCurves桥接曲线(1/2)ConnectCurveCurvestoconnectCreatingConnectCurves桥接曲线(2/2)CurvestoconnectBaseCurvesBaseCurveUsedConnectCurveBaseCurveUsedConnectCurveCreatingaConic圆锥曲线Parameter:-P=0.5forparabola-P0.5forellipse-P0.5forhyperbolaIntermediatepassingpointsTangentsassociatedtothetwofirstpassingpointsCreatingaSplineCurve样条曲线及折线CreatingaHelix螺旋线锥螺纹用轮廓限制螺距用规则限制普通螺纹CreatingaSpiral平面螺旋线EndangleStartradiusEndradiusCreatingaSpine脊骨曲线Endradius选择一组平面选择两条引导线ProfileLimitsAxisofrevolutionProfile2、Surfaces：Extruded、Revolution拉伸、旋转CreatingaSphereandCylindrical球面及圆柱面CreatinganOffsetSurface偏移曲面RepeatobjectafterOKReferencesurfaceSub-Elementstoremove:SweptSurface扫描曲面:a、Explicit指定轮廓线按规则定义角度b、Linetype直线形轮廓Length1Length2Guidecurve1Guidecurve2WithreferencesurfaceWithtangencysurface:WithdraftdirectionWithreferencecurvesurfaceGuidesurfaceGuideLinetype直线形轮廓Length1Length2Guidecurve1Guidecurve2Withtwotangencysurfaces:Limitandmiddle:Twolimits:Selecttwoguidecurves.SelecttheLimitandmiddleoptionfromthelisttousethesecondguidecurveasmiddlecurve.Selectaspine,andtwotangencysurfaces.Selecttwoguidecurves.Youcanenteroneortwolengthvaluestodefinethewidthofthesweptsurface.c、Circletype圆弧形轮廓Guidecurve3Guidecurve1Guidecurve2TwoguidesandradiusCenterandtwoangles:TwoguidesandtangencysurfaceCenterandradiusCircletype圆弧形轮廓Guidecurve3Guidecurve1Guidecurve2ThreeguideslinesOneguidesandtangencysurfaceSelectaguidecurves,areferencesurfacetowhichthesweepistobetangent,andenteraradiusvalue.d、Conictype圆锥曲线形轮廓FiveGuideCurvesThreeguidesFourguidesFiveguidesSweptSurface扫描曲面Youcanalsospecifyanchorpointsforeachguide.Theseanchorpointsareintersectionpointsbetweentheguidesandtheprofile'splaneortheprofileitself,throughwhichtheguidingcurveswillpass.Twopoints:selectanchorpointsontheprofilewhichwillbematchedrespectivelytoGuideCurve1and2.Iftheprofileisopen,thesepointsareoptionalandtheextremitiesoftheprofileareused.Pointanddirection:selectananchorpointontheprofilewhichwillbematchedontoGuideCurve1andananchordirection.Ineachsweepingplane,thedefaultx-axis(whichcorrespondstothegivenorienteddirection)isalignedwiththetwoguidecurves,fromGuideCurve1toGuideCurve2.Iftheprofileismanuallypositioneddefininganchorpointswillpositiontheprofilebetweentheguides,matchingtheanchorpointswithguideintersectionpoints,priortoperformingthesweepingoperation.定位点可以控制罗廓线的位置和形状（即按比例缩放），表明轮廓上哪个点和引导线相对应（当轮廓和引导线不相交时，且轮廓是封闭的）在轮廓起始点处的spine的垂直面与草绘平面的相交线通过轮廓的两个端点时，不用设置定位点，否则需要设置定位点或手动定位轮廓线SweptSurface扫描曲面Withreferencesurface:Selectaguidecurve,areferencesurface,andkeyinananglevalue.Theguidingcurvemustliecompletelyonthisreferencesurface,exceptifthelatterisaplane.AdaptativeSurfaceSwept自适应扫描曲面GuidingCurveSketchdesignedincontextSketch精度断面线的约束FillSurface填充曲面Boundary1PassingPointBoundary2Boundary3Boundary4Supportof2ndboundarySupportof4thboundary与支撑面的连续性LoftedSurface放样曲面(1/2)TangentSupportSection1Section2Section3Section4TangentSupportResultingLoftedsurface重新设置封闭点曲面在引导线方向的限制范围利用引导线控制LoftedSurface放样曲面(2/2)断面曲线参数对应性RatioTangencyTangencythencurvatureVerticesBlendSurface过渡曲面Manualcouplingbetweensections过渡面与支撑面的边界端点施加切失连续约束定义过渡面的张量,常量(Constant)或线性(Linear)3.Operations:Boundaries提取曲面边界线Youwillselectapropagationtypetocreateexactlythenecessaryportionofcurve.CompleteboundaryTangentcontinuityNopropagationPointcontinuityExtracting提取几何元素选择原来没有被选中的对象提取的元素会被组成几组元素PointcontinuityTangentcontinuityNopropagationExtracting提取草图元素删除部分提取草图元素JoiningGeometry合并几何体(1/2)Element1Element2间距或角度小于该值可以合并，否则不能合并减少合并数量忽略不能合并的几何体JoiningGeometry合并几何体(2/2)重新组织要合并的与素：无外衍全部点连续外衍切失连续外衍Healing修补曲面GaptohealGaphealedTheresultisasinglefeature:设置修补的间距和角度，小于该值可以修补，否则不能设定元素不受该操作影响SmoothingCurves光顺曲线Tangencycorrected,curvaturecorrected连续限定值,光顺小于限定值的不连续区