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Carnegie Mellon Self-Paced Learning on the Web
Mechanical Engineering
Pro/ ENGINEERTutorial 4
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Tutorial 4: Feature Modification and Manipulation
Introduction
The ability to modify and manipulate features is important technique in Pro/E. In this sect ion, you will learn how to use the model treeto modify various aspects of a feature.
Feature Modification
1. Start Pro/E Wildfire.
2. Choose [File] -> [Open], and find Example2, the part designed in Tutorial 2.
3. Click [OK] Button.
4. First the part will be renamed. Right c lick on the branch labeled Protrusion on the model tree at the left of the screen, as shown
in Figure 4.1. The ent ire part should be highlighted.
5. Select [Rename] from the menu.
[Figure 4.1]
6. Enter [right_support] into the textbox, and hit Enter.
7. Next the dimensions of the part will be modified and a reference will be added. Right c lick on the newly labeled RIGHT_SUPPORT
branch, and select Edit Definition.
8. Select the Sketcher icon on the dashboard, and select Sketch from the Section menu. Pro/E will switch to Sketch Mode, and yo
will see the screen shown in Figure 3.2.
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[Figure 4.2]
9. Select [Sketch] -> [Intent Manager] from the menu bar.
10. Select [Relations] from the SKETCHER menu on the Menu Manager.
11. Select [Add] from the RELATIONS menu. The sc reen will look like Figure 4.3.
12. You will now add a relation so that the dimension labeled sd1 is a function of the dimension sd0. Type [sd1=sd0-80] into the
textbox at the bottom of the screen, and press Enter twice.
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[Figure 4.3]
13. Select [Regenerate]. You should notice that dimension sd1 has changed from 180 to 160.
14. Select [Modify] from the SKETCHER menu.
15. Select dimension sd0 and change it to 220.
16. Select [Regenerate]. You should notice that both dimension sd0 and sd1 change, as shown in Figure 4.4.
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[Figure 4.4]
17. Choose [Done] from Menu Manager.
18. Select [OK] from the Section menu, and click the check button.
19. Rotate the part to examine the modifications.
20. Next the chamfer will be deleted. Right click on the Chamfer branch of the model tree and select [Delete]. Select the OK button
from the pop-up window. You should see the image shown in Figure 4.5.
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[Figure 4.5]
21. Next a round will be added to the edges on the other side of the part. Right c lick on the Round branch of the model tree and
select [Edit Definition].
22. Rotate the part so that you can see the edges which have not been rounded.
23. Use the left mouse button to select Edge1, Edge2, and Edge3 shown in Figure 4.6.
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[Figure 4.6]
24. Click the check button, and rotate the part to make sure all edges are rounded. You should see the image shown in Figure 4.7.
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[Figure 4.7]
25. Select [File] -> [Save a Copy] from menu bar.
26. Name the part [Example4] and click OK.
27. Test the information you have learned in this tutorial by completing Problem 4.
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