Bending and twisting your models

Document created by SW Admin on Oct 22, 2009Last modified by Greg Jankowski on Dec 7, 2009
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There are several modeling features within SolidWorks that can be used to create complex shapes. The key (and challenge) with these features is to get what you were looking for out of your design.

 

 

Deform

 

Deform does just that, it modifies your model based on the use of points, curves, or a surface. Figure 1 shows the initial and target curves used to produce the results shown in Figures 2 and 3.

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   Figure 1 – Pre-deformed model

 

Faces, curves, and edges can be used to preserve (fix) portions of the model resulting in dramatically different deformations. In the examples below, Figure 2 shows the results without fixing any faces or edges. Figure 3 uses the same intitial and target curves but adds the edges highlighted in purple in Figure 1 as fixed edges.

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   Figure 2 – Deform with no fixed faces or edges

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   Figure 3 - Deform with fixed edges

 

 

Flex

The Flex feature has a number of options that can be used to twist, taper, or stretch a solid body. Note that the cursor changes when you are over a valid edge to drag and the cursor icon is based on the type of Flex feature selected (Bending, Twisting, etc.). Numeric values (angle, radius) can also be directly inputed in the Property Manager. Figure 4 shows a twist.

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   Figure 4 – Twist (note the curly arrow on the cursor)


Figure 5 shows the Bending option. The bend axis can be moved as well; it does not necessarily have to go through the centroid of the body.

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  Figure 5 – Bending a solid body

 

 

Conclusion

Many of these feature types can be used to create differing shapes based on what you have to start with and the desired end results. These features are interactive and allow for the direct interaction and modification within the graphics area.

 

 

Copyright © 2009 Dassault Systèmes SolidWorks Corp. All rights reserved.
Do not distribute or reproduce without the written consent of Dassault Systèmes SolidWorks Corp.

 

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