5/11/2011

CATIA Freeform Surfaces-Part A

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 “Enable Hybrid Design” and then click “ok” (An empty part is now created on “Generative Shape Design” workbench.)

To create a Geometrical Set:-

? Select “Insert/ Geometrical Set” on the menu bar

? Type “Reference” as the name

? Click ok to complete

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

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

To replace the texture by a picture:-

? Double-click “B&W Tiling” on the tree

? Select the tab page “Rendering”

? Click on the sub-tab page “Texture”

? Select “Image” as type

? Click “…” icon to select a picture file

? Select the file “p51-right.jpg” in your project folder

? Click “Open”

? (Now, the projection method is not correct to show the picture on the surface)

? Select “Cubical Mapping”

? Deselect U,V repeat

? Flip U

? Click ok to complete

To create another sketch:-

? Click “Sketch” icon, then select “zx plane”

? Draw a vertical line on the left (with one end touching x-axis)

? Click “Constraint” icon, then select the line

? Modify the length to 25.4mm (1inch)

? Click Exit to complete

To resize and relocate the reference picture:-

Click “Right View” icon (or click “y” on the compass)

Double-click “B&W Tiling” on the tree again

Select the tab page “Rendering”

Adjust the values “Scale U,V” and “Position U,V” until the scale 1-2 is nearly of the same height as Sketch.2

Keeping the Scale unchanged, adjust UV positions so that the peak point of the image lies on the origin

Click ok to complete

http://www.cadfamily.com/html/Article/CATIA%20Freeform%20Surfaces-Part%20A_500_2.htm

http://www.cadfamily.com/html/Article/CATIA%20Freeform%20Surfaces-Part%20A_500_3.htm

http://www.cadfamily.com/html/Article/CATIA%20Freeform%20Surfaces-Part%20A_500_4.htm

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