Aviao

Disponível somente no TrabalhosFeitos
  • Páginas : 37 (9014 palavras )
  • Download(s) : 0
  • Publicado : 30 de outubro de 2012
Ler documento completo
Amostra do texto
CATIA V5R16 Freeform Surfaces – Rebuild P51 Mustang

www.dicksonsham.com

CATIA V5 Freeform Surfaces
(Tutorial 4 – Rebuild P51 Mustang)

Not For Commercial Use
Infrastructure Sketcher Freestyle (Surface-modeling)
A- 1
Version 1a - Jan 08

Non Commercial Use

Written by Dickson Sham

CATIA V5R16 Freeform Surfaces – Rebuild P51 Mustang

www.dicksonsham.com

CATIA FreeformSurface-modeling

Tutorial 4A
– – – Create three Extrude surfaces, offsetting from X,Y,Z planes Apply reference pictures onto the three surfaces Create a sketch for each cross-section and then relocate them to the corresponding positions

Tutorial 4B & 4C
– – – Create 3D curves, then create Freeform surfaces First create the Body, then the Wing, and finally the Tail Create a symmetric model bymirroring the resultant surfaces by a reference plane

Please be reminded that this series of tutorials is designed to demonstrate a design approach with CATIA, rather than the command itself.
A- 2
Version 1a - Jan 08

Non Commercial Use

Written by Dickson Sham

CATIA V5R16 Freeform Surfaces – Rebuild P51 Mustang

www.dicksonsham.com

General

Change the view with the mouse
A.Panning enables you to move the model on a plane parallel to the screen. Click and hold the middle mouse button, then drag the mouse. Rotating enables you to rotate the model around a point. Click and hold the middle mouse button and the right button, then drag the mouse. Zooming enables you to increase or decrease the size of the model. Click and hold the middle button, then click ONCE and releasethe right button, then drag the mouse up or down.

Middle button Right button

B.

C.

A- 3
Version 1a - Jan 08

Non Commercial Use

Written by Dickson Sham

CATIA V5R16 Freeform Surfaces – Rebuild P51 Mustang

www.dicksonsham.com

Preparation

Tutorial 4A
• • Create a Project Folder (e.g. C:/P51) Download the reference pictures from the web:
http://www.youtube.com/dicksham- p51-front.jpg - p51-right.jpg - p51-top.jpg (The pictures are square in shape, 1000x1000 pixels) • • • Then Save them into the project folder Enter CATIA by double-clicking its icon on the desktop By default, a empty “Product” file is created. But now, you don‟t need this, just select “File/Close” on the menu



Select „Start/Shape/Generative Shape Design”on the menu bar
Uncheck “EnableHybrid Design” and then click “ok” (An empty part is now created on “Generative Shape Design” workbench.) A- 4

• •

Version 1a - Jan 08

Non Commercial Use

Written by Dickson Sham

CATIA V5R16 Freeform Surfaces – Rebuild P51 Mustang

www.dicksonsham.com

Preparation

Tutorial 4A
To create a Geometrical Set:• • • Select “Insert/ Geometrical Set” on the menu bar Type “Reference”as the name Click ok to complete

To create a Sketch:• • • • Click “Sketch” icon and select “yz” plane Draw a vertical straight line on the left (Length ~ 120mm, Location ~100mm from origin) (Before clicking the 2nd point, refer to the L value on the toolbar “Sketch Tools” ) Click Exit to complete
2nd point of the vertical line Length 1st point of the vertical line



A- 5
Version 1a -Jan 08

Non Commercial Use

Written by Dickson Sham

CATIA V5R16 Freeform Surfaces – Rebuild P51 Mustang

www.dicksonsham.com

Preparation

Tutorial 4A
To Create an Extrude Surface:• • • • • Click “Extrude” icon Select “Sketch1” as profile, “yz plane” as direction Click “Reverse Direction” Push the mouse cursor onto Limit 1 and then drag it up to ~285mm Click ok to complete Drag it upto ~285mm

To Apply a Texture material onto the surface:• • • • • Click “Apply Material” icon Select a Texture material, e.g. “B&W Tiling” on the list Click on the Extrude surface Click ok to complete To view the texture, click “Shading with material” icon

A- 6
Version 1a - Jan 08

Non Commercial Use

Written by Dickson Sham

CATIA V5R16 Freeform Surfaces – Rebuild P51 Mustang...
tracking img