Tuesday, 10 December 2013

Surface Modeling - An Automobile Bonnet Part 2 of 3

Project Curve - Direction Step


Point the arrow towards the extruded surface and click.
Click Finish on the ribbon bar.

 

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Project Curve - View It


If required, click the Visible and Hidden Edges shadtol2   tool on the Main toolbar to see the projected curve.

 

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Trim Surface - Surface Step


Select the Trim Surface trimsurf   tool from the Surfacing toolbar.
Select the extruded surface as the surface to trim.

 

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Trim Surface - Curve Step


Select the projected curve as the trimming curve.
Click accept   accept   on the ribbon bar.

 

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Trim Surface - Side Step


Indicate the arrow in the vertically upward direction as the part to trim off.
See figure.

 

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Surface Trimmed


The extruded surface is trimmed as shown in figure.

 

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Surface Blending – Begin


Select the Round roundtul   tool from the Features toolbar.
Click the Round options roundopt   tool on the Ribbon bar.
Select Surface blend as shown in figure and click OK.

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Surface Blending - First Surface


Select the trimmed surface as the first surface to blend.
See figure.

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Surface Blending - Second Surface

Select the BlueSurf as the second surface to blend.
See figure.

 

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Surface Blending – Options


From the ribbon bar, select G2 continuous from the Shape pull-down list.
See figure.

 

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Surface Blending - Dir 1


Click accept   accept[4]   on the ribbon bar.
Indicate the direction towards the Bluesurf as shown.

 

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Surface Blending - Dir 2


Indicate the other direction downwards as shown in figure.

 

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Blend Surface Created


The two surfaces will be blend as shown in figure and a new surface will be created.

 

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Blend Surface - Once More


Repeat all steps to create a blend surface on the other side.
The bonnet has taken its preliminary shape.

 

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Parallel Plane


Create a plane parallel to the x-y plane, well above the bonnet.

 

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Sketch in Parallel Plane


In the new plane, create a sketch as shown.

 

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Sketch in Parallel Plane


Select the Project Curve projcurv   tool from the Surfacing toolbar.
Select the sketch as the curve to project.
Click accept   accept[6]   on the ribbon bar.

 



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Project Curve - Body Step


Select the bonnet surface below as the surface to project on.

 

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Project Curve - Direction Step


Point the arrow down towards the surface and click.
Click Finish on the ribbon bar.

 

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