catia 创成式GSD.ppt

GenerativeShapeDesign培训 CATIAV5培训教程 1 Startmenu2 File Newmenu3 快捷菜单workbenches 一 GenerativeShapeDesign进入方式 二 基础工具条与菜单对应简介 1 2 Wireframe Operations 基础工具条与菜单对应简介 2 2 Surfaces Analysis 三 各基本工具按钮的功能简介 1 Wireframe 创建线 框 Between Bycoordinates OnCurve Onsurface Normaltosurface Tangenttocurve Bisecting 创建参考点 线 Alignedwithreferencedirection Normaltoreferencedirection Normaltocircle CreatingPlane创建平面 Normaltocurve Tangenttosurface Offsetfromplane Offsetfromplane CreatingPlanes平面之间创建平面 两平面可平行也可不平行 4instances CreatingaSetofPlanes一组平面 以存在的平面为参考 Origin CreatinganExtremum极值元素 Element Extremum Iftheelementisasurface 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 ProjectedElements Elementstoproject 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 Resultingcombinedcurve Resultingcombinedcurve Direction1 Direction2 Curve1 Curve2 Direction1 Direction2 CreatingaReflectLine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 IntersectingElement Elementstointersect Intersections Typeofcreatedelement Or 延伸求交 交集在第一原素扩展 空间求交 ParallelCurve平行线 Referencecurve Support ParallelCurve Geodesic Euclidean Round Sharp 按规则平行 Centerandradius Centerandpoint Twopointsandradius Threepoints Support CreatingCircles圆及圆弧 在支撑面上创建圆及圆弧 Corners 3D 倒角 Element1 Element2 Support Element1 Direction 3DCorners 可选择 最高点倒角 CreatingConnectCurves桥接曲线 1 2 ConnectCurve Curvestoconnect CreatingConnectCurves桥接曲线 2 2 Curvestoconnect BaseCurves BaseCurveUsed ConnectCurve BaseCurveUsed ConnectCurve CreatingaConic圆锥曲线 Parameter P 0 5forparabola P 0 5forellipse P 0 5forhyperbola Intermediatepassingpoints Tangentsassociatedtothetwofirstpassingpoints CreatingaSplineCurve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 Endangle Startradius Endradius CreatingaSpine脊骨曲线 Endradius 选择一组平面 选择两条引导线 Profile Limits Axisofrevolution Profile 2 Surfaces Extruded Revolution拉伸 旋转 CreatingaSphereandCylindrical球面及圆柱面 CreatinganOffsetSurface偏移曲面 RepeatobjectafterOK Referencesurface Sub 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 Length1 Length2 Guidecurve1 Guidecurve2 Withreferencesurface Withtangencysurface Withdraftdirection Withreferencecurve surface Guide surface Guide Linetype直线形轮廓 Length1 Length2 Guidecurve1 Guidecurve2 Withtwotangencysurfaces Limitandmiddle Twolimits Selecttwoguidecurves SelecttheLimitandmiddleoptionfromthelisttousethesecondguidecurveasmiddlecurve Selectaspine andtwotangencysurfaces Selecttwoguidecurves Youcanenteroneortwolengthvaluestodefinethewidthofthesweptsurface c Circletype圆弧形轮廓 Guidecurve3 Guidecurve1 Guidecurve2 Twoguidesandradius Centerandtwoangles Twoguidesandtangencysurface Centerandradius Circletype圆弧形轮廓 Guidecurve3 Guidecurve1 Guidecurve2 Threeguideslines Oneguidesandtangencysurface Selectaguidecurves areferencesurfacetowhichthesweepistobetangent andenteraradiusvalue d Conictype圆锥曲线形轮廓 FiveGuideCurves Threeguides Fourguides Fiveguides SweptSurface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 AdaptativeSurfaceSwept自适应扫描曲面 GuidingCurve Sketchdesignedincontext Sketch 精度 断面线的约束 FillSurface填充曲面 Boundary1 PassingPoint Boundary2 Boundary3 Boundary4 Supportof2ndboundary Supportof4thboundary 与支撑面的连续性 LoftedSurface放样曲面 1 2 TangentSupport Section1 Section2 Section3 Section4 TangentSupport ResultingLoftedsurface 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 RatioTangencyTangencythencurvatureVertices BlendSurface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 Completeboundary Tangentcontinuity Nopropagation Pointcontinuity Extracting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 Pointcontinuity Tangentcontinuity Nopropagation Extracting提取草图元素 删除部分提取草图元素 JoiningGeometry合并几何体 1 2 Element1 Element2 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 Gaptoheal Gaphealed Theresultisasinglefeature 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域 减少曲线段数 显示箭头 分步显示 显示没有改变的不连续信息 RestoringSurfaces恢复剪切 Disassembling分解几何元素 Domainsonly AllCells SplittingandTrimming切断与修剪 1 2 Cuttingelements Elementtocut Element1 Element2 SplittingandTrimming切断与修剪 2 2 Splittingandtrimmingwireonsupport Elementtotrim Cuttingelement Usingasupport Support Onlytheselectedelementisremoved Allotherelementsarekept Theselectedelementsarekept Allotherelementsareremoved 创建交线 ShapeFillet曲面倒圆 1 2 Smooth Straight Maximum Minimum HoldCurve SpineCurve Thefilletwillbecreatedbetweentwosurfaces ShapeFillet曲面倒圆 2 2 TriTangent Thefilletwillbecreatedbetweenthreesurfaces Itinvolvestheremovalofoneofthethreefacesselected Selectasurfaceasthefirstsupportelement Selectanothersurfaceasthesecondsupportelement Selectthesurfacetoberemoved Thefilletwillbetangenttothisface EdgeFillet棱线倒圆 Limitingelement Note thelimitingelementhastocompletelyintersectthefillet Note Edgesmustbeinternaledges VariableFillet变半径倒角 CircleRadiusFilletusingaSpine Spine CircleFillet Limitingelement Face to FaceandTri tangentFillet面 面 三面相切倒角 TheTri TangentFilletisavariableradiusFillettangenttoallthreefacesselected TransformingElements转换元素 Sixtransformationtypesareavailable Translation Rotation Symmetry Scaling等比例 Affinity变比例 AxistoAxis Extrapolating延长 Surfaceboundary 无外衍点连续外衍切失连续外衍 选择内部边界 NearElement选取最近元素 Youcancreatenearelementsfromanyentitythatisnotconnex Nearelementcreatedforoneentityofthesurface Nearelementcreatedforoneentityofthesketch 保留所有元素 InvertingOrientation设定方向 曲面设定方向后 进行偏移等操作即按此方向进行 PatternsandRepetition阵列与复制 Referenceelement Surfacetopattern AsinthePartDesignworkbench youcancreatecircularandrectangularpatternsofwireframeorsurfaceselements Elementtopattern Referenceelement CreatingLaws创建规则 Reference Definition YoucanvisualizetheStartandEndpointsoftheLaw 参考直线与定义曲线的公共区域 应用公式定义规则 ReusetheselawsinParallelcurvesorclassicsweepscreation Parallelcurveusingthelaw 4 Analysis ConnectChecker曲面连接性检查 DistanceAnalysis TangencyAnalysis CurvatureAnalysis CurveConnectChecker曲线连接性检查 DistanceAnalysis TangencyAnalysis CurvatureAnalysis Overlapping Displayofthemaximumdiscontinuityvaluesonthecurve DraftAnalysis拔模角分析 同partdesign首先 Usingthe Ontheflyanalysis youcancheckthedraftangleineachpointoftheshape 罗盘在曲面上 Z轴方向设置到拔模方向上 MappingAnalysis曲面曲率映射分析 TheBlueareaindicatesthecurvatureorientationchange 首先 CurvatureAnalysis曲线曲率分析 Thistoolcanbeappliedon Acurve Asurface boundariesanalysis Curvaturediscontinuities 5 HybridModelingandVolumes曲面与实体转换 SurfacetoSolidTools SolidtoSurfaceTools AccessfromwithinthePartDesignWorkbench Createasurfaceoffsetfromasolidface CreateaFillSurfacefromsolidedges JOINsolidedgesintosectioncurvesthenLOFTbetweenthesesectioncurves CreateaBlendSurfacebetweentwosolidfaces Extractasurfacefromasolidface Split ThickSurface CloseSurface SewSurface 可进行布尔运算 四 其它 CreatingaGroup创建组 组内不包括的元素 HidesallthenodesofanOpenBodyexceptforspecificnodestheuserchoosestosee 查看组内元素 NewOpenBodyandChanging新建及更改所属范围 SpecifythenodeunderwhichthenewOpenBodywillbeinserted SelectnodesfromexistingO