Tài liệu Giáo trình Catia P1 ppt

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Tài liệu Giáo trình Catia P1 ppt

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Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) A- 1 CATIA V5R16 Generative Shape Design CATIA V5 Parametric Surface Modeling Version 5 Release 16 Generative Shape Design Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) A- 2 CATIA V5R16 Generative Shape Design Toolbars in Generative Shape Design A. Wireframe: Create 3D curves / lines/ points/ plane B. Surfaces: Create surfaces C. Operations: Join surfaces, Split & Trim surfaces, Change the 3D positions of surfaces, Fillets… D. Replication: Pattern, Powercopy… E. Analysis: Connection analysis, Draft analysis, curvature analysis… F. Surface-based Features: (On Part Design Workbench), create a solid from surfaces, modify the solid by a surface… A B C D Generative Shape Design E F Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) A- 3 CATIA V5R16 Generative Shape Design Point Point (Create a point in the 3D space) Generative Shape Design Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) A- 4 CATIA V5R16 Generative Shape Design Extremum (max or min point) Extremum (create an extremum element (point, edge, or face), which is at the minimum or maximum distance on a curve, a surface, or a pad, according to given directions. ) Generative Shape Design Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) A- 5 CATIA V5R16 Generative Shape Design Line Line (Create a line in the 3D space) Generative Shape Design Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) A- 6 CATIA V5R16 Generative Shape Design Plane Plane (Create a plane in the 3D space) Generative Shape Design A-6 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) A- 7 CATIA V5R16 Generative Shape Design Projection onto a support Projection (project one or more elements onto a support. The projection can be normal to surface or along a specified direction.) Generative Shape Design Normal to surface Along a direction (vertical) Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) A- 8 CATIA V5R16 Generative Shape Design Combine Curves Combine Curves (create a curve resulting from the intersection of the extrusion of two curves. ) Generative Shape Design A 3D resultant Curve Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) A- 9 CATIA V5R16 Generative Shape Design Reflect Line Reflect Line (create curves for which the normal to the surface in each point present the same angle with a specified direction. They can be closed or open.) Generative Shape Design The normal of surface at all points along the curve is 38deg from the vertical axis Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) A- 10 CATIA V5R16 Generative Shape Design Intersection Intersection (create wireframe geometry by intersecting elements.) Generative Shape Design Intersection curve between two surfaces Intersection point between a curve and a surface Intersection curve between a surface and a solid [...].. .CATIA V5R16 Generative Shape Design Generative Shape Design Parallel Curve Parallel Curve (create a curve that is parallel to a reference curve.) Offset the curve on the surface (The resultant curve is still on the surface) We have a curve lying on the surface A- 11 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative... (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Connect Curve Connect Curve (create a connecting curve between two curves ) Point-continuous, tangent-continuous or curvature-continuous Point-continuous, tangent-continuous or curvature-continuous The curvature in the middle can be controlled by tension Version 1b- Feb07 A- 13 By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative... direction at a point A- 14 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Helix Helix (create a helix curve like a spring) First Create a point and a straight line (Optional) (Optional) With Taper Angle Follows a profile A- 15 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Extrude Extrude... to other direction A- 16 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Revolve Revolve (create a surface by revolving a planar profile about an axis) Remark: The axis must be a straight line Sketch.1 Line.1 A- 17 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Offset Offset (create... dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Sweep – Con’t Sweeping a Circular profile - Three guides Two guides and radius Center and two angles Center and radius Two guides and tangency surface - One guide and tangency surface Sweeping a Conical profile - Two guides Three guides Four guides Five guides A- 20 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA V5R16... HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Multi-sections Surface Multi-sections surface (create a surface by sweeping two or more section curves along an automatically computed or user-defined spine The surface can be made to respect one or more guide curves ) Further control pointpoint matching by “manual coupling” A- 22 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA. .. wireframe elements or surface edges) A- 23 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Join Join (join surfaces or curves as one element) A- 24 Version 1b- Feb07 The two original surfaces are hidden; a Join surface is created By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Split & Trim Split (split... wireframe elements) Result by “Trim” A- 25 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Boundary Boundary (create the boundary curve of a surface) We can select limit points to limit the boundary A- 26 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Extract Extract (extract from... between three surfaces) A- 28 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Edge Fillet Edge Fillet (create a constant radius fillet along the internal edge of a joined surface) Select the edge of the Join Surface A- 29 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Variable Fillet... between the selected surfaces.) A- 32 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Translate, Rotate, Symmetry, Scale Translate Rotate Symmetry Rotate Translate Scale Affinity Symmetry Scale Affinity A- 33 Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) CATIA V5R16 Generative Shape Design Generative Shape Design Extrapolate Extrapolate . Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) A- 1 CATIA V5R16 Generative Shape Design CATIA V5 Parametric Surface Modeling Version 5 Release 16. Generative Shape Design Version 1b- Feb07 By Dickson Sham (ME dept, HKPU) A- 2 CATIA V5R16 Generative Shape Design Toolbars in Generative Shape Design A. Wireframe:

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