catia曲面造型之gsd模块.ppt

Copyright DASSAULT SYSTEMES 2002,1,Generative Shape Design 创成式曲面设计,CATIA V5 培训教程,-----迅利科技,Copyright DASSAULT SYSTEMES 2002,2,1- Start menu 2- File / New menu 3- 快捷菜单workbenches,,,一 ： Generative Shape Design进入方式,,,,,Copyright DASSAULT SYSTEMES 2002,3,二、 基础工具条与菜单对应简介（1/2）,,,Wireframe,Operations,Copyright DASSAULT SYSTEMES 2002,4,,,,基础工具条与菜单对应简介（2/2）,Surfaces,Analysis,Copyright DASSAULT SYSTEMES 2002,5,三、各基本工具按钮的功能简介：1、Wireframe（创建线、框）,Between,,By coordinates,On Curve,,On surface,Normal to surface,Tangent to curve,Bisecting,创建参考点、线,Aligned with reference direction,Normal to reference direction,Normal to circle,,,,Copyright DASSAULT SYSTEMES 2002,6,Creating Plane创建平面,,Normal to curve,Tangent to surface,,Offset from plane,Copyright DASSAULT SYSTEMES 2002,7,Creating Planes平面之间创建平面,两平面可平行也可不平行,,4 instances,,,Copyright DASSAULT SYSTEMES 2002,8,Creating a Set of Planes一组平面,以存在的平面为参考,Origin,,,Copyright DASSAULT SYSTEMES 2002,9,Creating an Extremum极值元素,,,Element,,Extremum,If the element is a surface, you may specify two others directions.,,只有一种方向限制,两种方向限制,,,Copyright DASSAULT SYSTEMES 2002,10,,Creating a Polar Extremum极坐标元素(1/2),,最小半径 最大半径 最小角度 最大角度,,Copyright DASSAULT SYSTEMES 2002,11,极坐标元素(2/2),最小半径,最大半径,最小角度,最大角度,Copyright DASSAULT SYSTEMES 2002,12,Creating Projected Elements 投影,,Projected Elements,Elements to project,,,,,,,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,,Copyright DASSAULT SYSTEMES 2002,13,Creating a Combined Curve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,Resulting combined curve,,Resulting combined curve,,Direction 1,Direction 2,Curve1,Curve2,Direction 1,Direction 2,Copyright DASSAULT SYSTEMES 2002,14,Creating a Reflect Line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,,,,,Copyright DASSAULT SYSTEMES 2002,15,Intersecting Elements求交,Intersecting Element,Elements to intersect,,,,,Intersections,,,,Type of created element :,,,Or,,,,,延伸求交,,交集在第一原素扩展,,空间求交,Copyright DASSAULT SYSTEMES 2002,16,Parallel Curve平行线,Reference curve,,Support,Parallel Curve,,Geodesic,Euclidean,,,Round,Sharp,,,按规则平行,,Copyright DASSAULT SYSTEMES 2002,17,3D Curve Offset 3D曲线偏移,,,Copyright DASSAULT SYSTEMES 2002,18,Center and radius,,Center and point,,Two points and radius,,Three points,,Support,Creating Circles圆及圆弧,,,,,在支撑面上创建 圆及圆弧,Copyright DASSAULT SYSTEMES 2002,19,Corners(3D) 倒角,,,Element 1,Element 2,Support,Element 1,,Direction,,3D Corners,,,可选择,顶点倒角,,Copyright DASSAULT SYSTEMES 2002,20,Creating Connect Curves桥接曲线 (1/2),,Connect Curve,Curves to connect,,,,,,,,Copyright DASSAULT SYSTEMES 2002,21,Creating Connect Curves桥接曲线 (2/2),,Curves to connect,,,Base Curves,,,Base Curve Used,,Connect Curve,,Base Curve Used,,Connect Curve,,,,Copyright DASSAULT SYSTEMES 2002,22,Creating a Conic圆锥曲线,,Parameter :,- P=0.5 for parabola,- P0.5 for ellipse,- P0.5 for hyperbola,Intermediate passing points,,Tangents associated to the two first passing points,,Copyright DASSAULT SYSTEMES 2002,23,Creating a Spline Curve 样条曲线及折线,,,Copyright DASSAULT SYSTEMES 2002,24,Creating a Helix 螺旋线,锥螺纹,用轮廓限制,螺距用规则限制,普通螺纹,,,Copyright DASSAULT SYSTEMES 2002,25,Creating a Spiral 平面螺旋线,End angle,Start radius,End radius,,Copyright DASSAULT SYSTEMES 2002,26,Creating a Spine 脊骨曲线,End radius,选择一组平面,,,,选择两条引导线,,Copyright DASSAULT SYSTEMES 2002,27,,Profile,,Limits,,,,Axis of revolution,Profile,,,2、Surfaces：Extruded 、Revolution 拉伸、旋转,,,,,Copyright DASSAULT SYSTEMES 2002,28,Creating a Sphere and Cylindrical 球面及圆柱面,,,,,,,,Copyright DASSAULT SYSTEMES 2002,29,Creating an Offset Surface 偏移曲面,Repeat object after OK,Reference surface,,,,,Sub-Elements to remove :,,,,Copyright DASSAULT SYSTEMES 2002,30,Swept Surface 扫描曲面: a、Explicit 指定轮廓线,,,,,,,,按规则定义角度,Copyright DASSAULT SYSTEMES 2002,31,b、Line type 直线形轮廓,Length 1,Length 2,Guide curve 1,Guide curve 2,,,,,With reference surface,,,With tangency surface:,,With draft direction,,With reference curve,,Select a guide curve, a reference surface, and key in an angle value.The guiding curve must lie completely on this reference surface, except if the latter is a plane.,Select a guide curve, and a reference surface to which the sweep is to be tangent.,Select a guide curve, a reference curve, and key in an angle value.,Select a guide curve and a draft direction (a line, a plane or components),,Copyright DASSAULT SYSTEMES 2002,32,Line type 直线形轮廓,Length 1,Length 2,Guide curve 1,Guide curve 2,,,,,With two tangency surfaces:,,,Limit and middle:,,Two limits:,,Select two guide curves.Select the Limit and middle option from the list to use the second guide curve as middle curve.,Select a spine, and two tangency surfaces.,Select two guide curves. You can enter one or two length values to define the width of the swept surface.,Copyright DASSAULT SYSTEMES 2002,33,c、Circle type 圆弧形轮廓,,Guide curve 3,Guide curve 1,Guide curve 2,,,,Two guides and radius,,Center and two angles:,,Two guides and tangency surface,,Center and radius,,,,,,Copyright DASSAULT SYSTEMES 2002,34,Circle type 圆弧形轮廓,,Guide curve 3,Guide curve 1,Guide curve 2,,,,Three guides lines,,One guides and tangency 。