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Introduction http://www.me.cmu.edu/academics/courses/NSF_Edu_Proj/Wildfire_short_course/basicstutorial.htm[12/25/2010 6:32:13 PM] Carnegie Mellon Self-Paced Learning on the Web Mechanical Engineering Pro/ENGINEER Introduction Home Course Info Tutorials Problems Students References Introduction to Pro/E Introduction This tutorial will teach you the basic features of Pro/E including how to access part files, manipulate the display, and orient parts. You should complete this tutorial before attempting any other tutorials. Accessing Part Files and Modifying Display 1. Download this part, which you will use as an example for viewing. drawer.prt 2. Start Pro/E Wildfire. The display should look like Figure 0.1.

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Page 1: pro e html tutorial

Introduction

http://www.me.cmu.edu/academics/courses/NSF_Edu_Proj/Wildfire_short_course/basicstutorial.htm[12/25/2010 6:32:13 PM]

Carnegie Mellon Self-Paced Learning on the Web

Mechanical Engineering

Pro/ENGINEERIntroduction

Home • Course Info • Tutorials • Problems • Students • References

Introduction to Pro/E

Introduction

This tutorial will teach you the basic features of Pro/E including how to access part files, manipulate the display, and orientparts. You should complete this tutorial before attempting any other tutorials.

Accessing Part Files and Modifying Display

1. Download this part, which you will use as an example for viewing.

drawer.prt

2. Start Pro/E Wildfire. The display should look like Figure 0.1.

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[Figure 0.1]

3. Hide the browser by clicking on the arrows at the right of the screen, as shown in the figure. You should now see thegraphics area where parts will be displayed.

4. Select [File] -> [Set Working Directory] from the menu bar, and select the folder in which you downloaded the part. Allwork you do will be saved to the folder you set as the working directory.

5. Select [File] -> [Open] from the menu bar, and select the part you downloaded.6. Figure 0.2 shows the main components of the Pro/E window. The part you are currently working on is displayed in the

Graphics Area. The top Tool Bar lets you modify the view and perform common actions such as saving and opening files. The right Tool Bar contains the icons which let you create parts and features. The Menu Bar contains many of the sameoptions as the Tool Bars, but in the form of menus rather than icons. When creating a part or feature, you will use theDashboard to select options. The Model Tree lists all the features comprising the part that is currently displayed.

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[Figure 0.2]

7. The icons at the right of the top tool bar allow you to decide what is displayed, as shown in Figure 0.3. Experiment withsome of these icons to see what happens if you turn them off or on.

[Figure 0.3]

Orientation and Viewing

1. To see a particular face of the part, select [View] -> [View Manager] from the menu bar. 2. Select the Orient tab from the View Manager window, as shown in Figure 0.4.3. Double click the view you would like to see (Top, Right, etc.). Experiment with the View Manager to familiarize yourself

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with the different views.

[Figure 0.4]

4. The following commands can be used to manually change the view of the part:Spin - move cursor while holding the middle mouse buttonRotate - move mouse left and right while holding the middle mouse button and CTRLZoom - use wheel on mouse or move mouse up and down while holding the middle mouse button and CTRLPan - move mouse while holding the middle mouse button and Shift Key

5. Experiment with these commands to familiarize yourself with the different viewing options.

Home • Course Info • Tutorials • Problems • Students • References

Send mail to [email protected] with questions or comments about this web site.

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Tutorial 1

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Carnegie Mellon Self-Paced Learning on the Web

Mechanical Engineering

Pro/ENGINEER

Tutorial 1: Extrusions, Sketching, and Cuts

Introduction

Extrusions are one of the most basic ways to design a part in Pro/E, and sketching is an important part of the design process. In thissection, you will learn basic operations by creating a simple part using an extruded protrusion. You will then modify the part using a cuttingoperation.

Starting Pro/E and Creating new Part

1. Start Pro/E Wildfire.2. Select [File] -> [New] from the menu bar. The dialog shown in Figure 1.1 will pop up.

[Figure 1.1]

3. Type the part name [Example1] in Text Box.4. Click [OK] button (or press Enter Key). You will see the screen shown in Figure 1.2.

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[Figure 1.2]

Sketching and Protrusion

1. Select the Extrude Tool icon from the tool bar at the right of the screen, as shown in Figure 1.2.2. Select the Sketcher icon from the extrusion tool bar on the dashboard at the bottom of the screen. 3. Select the plane labeled FRONT. This will allow you to sketch in the xy plane and extrude in the z direction.

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[Figure 1.3]

4. Click the Sketch button from the Section pop-up menu. Pro/E will switch to Sketch Mode, and you will see the screen as shown inFigure 1.4.

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[Figure 1.4]

5. Close the References Dialog.6. Select [Sketch] -> [Options] from menu bar. The dialog shown in Figure 1.5 will pop up. Turn ON the [Grid] and [Snap To Grid], and

click the green check button.

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[Figure 1.5]

7. Select [Sketch] -> [Intent Manager] from the menu bar. This will bring up the Menu Manager shown in Figure 1.6.

[Figure 1.6]

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8. Now sketch the shape shown in Figure 1.7. Select [Line] from GEOMETRY menu of the Menu Manager.9. Use the left mouse button to click points A, B, C, D, E, F and A shown in Figure 1.7. After clicking these points, press the mouse

middle button.

[Figure 1.7]

10. Select [Regenerate] from SKETCHER menu of the Menu Manager.11. Zoom in using the wheel on the mouse or by moving the mouse up and down while holding CTRL and middle mouse button.12. Move the sketch to the center of the screen by moving the mouse while holding the middle mouse button and the Shift key.13. Now set the size of the shape. Follow the steps below:

Select [Dimension] from SKETCHER menu.Click Edge2 and Edge6 with the left mouse button, and then click point A with the middle mouse button.Click Edge1 and Edge5 with the left mouse button, and then click point B with the middle mouse button.Click Edge2 and Edge4 with the left mouse button, and then click point c with the middle mouse button.Click Edge3 and Edge5 with the left mouse button, and then click point D with the middle mouse button.

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[Figure 1.8]

14. Select [Regenerate] from SKETCHER menu. The dimensions of the part will be shown as in Figure 1.9.

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[Figure 1.9]

15. Select [Modify] from SKETCHER menu.16. Click the number that is circled by A shown in Figure 1.9. Then type the correct dimension underneath the toolbar. In this case, type

200 in the text box, and click the check button.17. Similarly, change the number that is circled by B to 200, by C to 50, and by D to 50.18. Select [Regenerate], and then Select [Done] from SKETCHER menu. Pro/E will exit Sketcher Mode.19. Type in 100 into the extrusion depth box on the dashboard and click check button.

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[Figure 1.10]

20. Select [View] -> [Orientation] -> [Default Orientation] from menu bar. If you followed the instructions correctly, you will see the three-dimensional image shown in Figure 1.11.

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[Figure 1.11]

21. While there is no real undo option in Pro/E, the model tree can be used to modify features you have already created. Right click onthe part you wish to alter, and select [Edit Definition] from the list of options. You can then alter the part. This topic will be exploredfurther in Tutorial 4.

22. Select [File] -> [Save] from menu bar and click the check button at the bottom of the screen to save the part.

Creating Cuts

1. Select the Extrude Tool icon from the tool bar on the right of the screen, as in Step 1 of the previous section.2. Select the Remove Material icon from the extrusion tool bar on the dashboard, as shown in Figure 1.12. 3. Select the Sketcher icon.

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[Figure 1.12]

4. Locate the bottom face of the part by using View Manager as described in Step 21 of the previous section. Select [View] -> [ViewManager] from the menu bar, and then double click [Bottom] from the pop-up window. You should see the view shown in Figure 1.13.

5. Click on the bottom face of the part near point A in Figure 1.13 to select it as the sketching plane.6. Change the orientation to [Bottom] on the Section menu.

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[Figure 1.13]

1. Click the Sketch button from the Section menu. Pro/E will switch to Sketch Mode.2. Select [Sketch] -> [Intent Manager] from the menu bar.3. Select [Line] from GEOMETRY menu.4. Click points A, B and C shown in Figure 1.14 with the mouse left button, and then click the middle mouse button.

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[Figure 1.14]

5. Select [Regenerate] from SKETCHER menu.6. To dimension the cut, click E2 and E4 shown in Figure 1.15 with the left mouse button, and then click near A with the middle mouse

button. Similarly, click E1, E3, and B. Zoom and pan if necessary.

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[Figure 1.15]

7. Select [Regenerate] from SKETCHER menu.8. Click the dimensions at points A and B, and then change them to 25. You should see the image shown in Figure 1.16.

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[Figure 1.16]

9. Select [Regenerate] and then Select [Done] from the SKETCHER menu. You will see the screen shown in Figure 1.17.

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[Figure 1.17]

10. Rotate the part until you see an outline of what the cut will look like. If the cut is outside the part as shown in Figure 1.8, click onthe yellow cutting direction arrow as shown. The outline should now be inside the part.

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[Figure 1.18]

11. Type 100 into the Extrusion Depth box and click the check button.12. Use the mouse to zoom and rotate the part to see it from different angles. You should see the image shown in Figure 1.18.

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[Figure 1.18]

13. Select [File] -> [Save] from menu bar to save the part.14. Test the information you have learned in this tutorial by completing Problem 1.

Send mail to [email protected] with questions or comments about this web site.

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Tutorial 2: Holes, Rounds, and Chamfers

Introduction

A variety of geometric shapes and constructions can be designed automatically with Pro/E, including holes, rounds, and chamfers. The Holeoption creates many types of holes, including straight holes, sketched holes, and holes for standard fasteners. The Round option creates afillet or a round on an edge that is a smooth transition with a circular profile between two adjacent surfaces. The Chamfer option creates abeveled surface at the intersection of edges.

Creating Base Shape

1. Start Pro/E Wildfire.2. Select [File] -> [New], and type the part name [Example2] in Text Box.3. Click [OK] Button.4. Select the Extrude Tool icon from the tool bar at the right of the screen.5. Select the Sketcher icon from the dashboard, and click the reference plane marked as FRONT.6. Click the Sketch button from the Section menu. Pro/E will switch to Sketch Mode.7. In this section, you will sketch the cross-section of the part using the same method as in Tutorial 1. Start by closing the References

dialog box.8. Select [Sketch] -> [Options] from menu bar. Turn ON the [Grid] and [Snap To Grid], and click the green check button.9. Select [Sketch] -> [Intent Manager] from the menu bar.

10. Use pan and zoom operations to change the viewing so that you see the coordinates as shown in Figure 2.1.

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[Figure 2.1]

11. Now sketch the shape of the cross-section shown in Figure 2.2. Follow the steps below:Select [Line] from the Menu Manager GEOMETRY menu.Click points A and B with the left mouse button, and then press the middle mouse button.Select [Arc] from GEOMETRY menu.Click points B and C with the left mouse button.Select [Line] from GEOMETRY menu.Click points C, D, E and A with the left mouse button, and then press the middle mouse button. Try to draw all points at theexact locations shown.

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[Figure 2.2]

12. Select [Regenerate] from SKETCHER menu.13. Now set dimensions as shown in Figure 2.3. Follow the steps below.

Click Edge1 and Edge3 with the left mouse button, and click point A with the middle mouse button.Click point B and Edge2 with the left mouse button, and click point C with the middle mouse button.Click Arc with the left mouse button, and click point D with the middle mouse button.Select [Regenerate].Modify dimensions to match those shown in Figure 2.3 if necessary, and Select [Regenerate].

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[Figure 2.3]

14. Select [Done] from Menu Manager.15. Enter extrusion depth as 100, and click check button.16. Select [View] -> [Orientation] -> [Default Orientation] from menu bar. You will see the image shown in Figure 2.4.

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[Figure 2.4]

Creating Holes

1. Select Hole Tool icon from the tool bar at the right of the screen, as shown in Figure 2.5.

[Figure 2.5]

2. Input 50 in Diameter textbox on the hole tool bar on the dashboard.3. Select the Through All icon from the depth menu, as shown in Figure 2.6.4. Click point A shown in Figure 2.6 with the left mouse button to select the right plane.

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[Figure 2.6]

5. Select the bottom reference handle on the hole and drag it to Edge 1 shown in Figure 2.7. Select the other reference handle and dragit to Edge 2. Dimensions will be displayed as in the figure. The other handles change the diameter of the hole and the position of thehole. Do not modify these.

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[Figure 2.7]

6. Double click on the dimension near Edge1, change the value to 120, and hit Enter.7. Double click on the dimension near Edge2, change the value to 100, and hit Enter.8. Click check button. The hole will be created as shown in Figure 2.8.

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[Figure 2.8]

Edge Rounding and Chamfering

1. Select Round Tool icon from the tool bar at the right of the screen, as shown in Figure 2.9.

[Figure 2.9]

2. Enter 10 into the textbox in the round tool bar on the dashboard.3. Click Edge1, Edge2 and Edge3 from Figure 2.10 with the left mouse button.

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[Figure 2.10]

4. Click the check button, and you should see Figure 2.11.

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[Figure 2.11]

5. Select Chamfer Tool icon from the tool bar at the right of the screen, as shown in Figure 2.12.

[Figure 2.12]

6. Enter 10 into the textbox in the chamfer tool bar on the dashboard.

7. Select the edge around the hole in the part, and click the check button. If you followed the directions correctly, you should see Figure2.13.

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[Figure 2.13]

8. Select [File] -> [Save] from menu bar to save the part.

Alternative Method for Creating Base Part

In this section, you will use Intent Manager to create the same part that was created in the previous section. Many people find this methodeasier to use - you have less work to do since Pro/E is making assumptions about the geometry you are drawing. In future tutorials andproblems, you can use either sketching method. However, the tutorials will demonstrate the use the first method, without Intent Manager.

1. Select [File] -> [New], and type the part name [Example2B] in Text Box.2. Click [OK] Button.3. Select the Extrude Tool icon from the tool bar at the right of the screen.4. Select the Sketcher icon from the dashboard, and click the reference plane marked as FRONT.5. Click the Sketch button from the Section menu. Pro/E will switch to Sketch Mode.6. Use pan and zoom operations to change the viewing so that you see the coordinates as shown in Figure 2.14.7. Now sketch the shape of the cross-section shown in Figure 2.14. Follow the steps below:

Select the Line icon from the tool bar at the right of the screen.Click points A and B with the left mouse button, and then press the middle mouse button.Select the Arc icon from the tool bar at the right of the screen.Click points B and C with the left mouse button, and then press the middle mouse button. The letter "T" should appear nearpoint B. This indicates that the arc is tangent to the line.Select the Line icon again.Click points C, D, E, and A with the left mouse button, and then press the middle mouse button.

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[Figure 2.14]

8. You should see dimensions drawn very faintly on the sketch. These indicate weak dimensions, meaning they can be overridden bymanually dimensioning the drawing. You can change these dimensions by performing the steps below:

Select the Modify Dimension icon from the tool bar at the right of the screen.Click on the dimension at point A in Figure 2.15, and change the value to 240. You may need to pan and zoom to see theimage.Select the Modify Dimension icon again.Click on the dimension at point B, and change the value to 65.Change the value of the dimension at C to be 180 if necessary.You should notice that the dimensions you changed are now shown in yellow.If you wish to add dimensions in locations where there are no weak dimensions, use the Add Dimension Icon. Manually entereddimensions will override weak dimensions.

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[Figure 2.15]

9. Click on the check button icon at the right of the screen to exit Sketcher.10. Enter extrusion depth as 100, and click the check button.11. Select [View] -> [Orientation] -> [Default Orientation] from menu bar. You will see the image shown in Figure 2.16. This should be

the the same part as the one created in the first section.

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Tutorial 3: Shells, Ribs, and Datum Planes

Introduction

Datum planes are used as sketching surfaces and references for creating and construction features. In this section, you will learn to usedatum planes to create a rib. You will learn how to create several basic features.

Creating Base Shape

1. Start Pro/E Wildfire.2. Select [File] -> [New], and type the part name [Example3] in Text Box.3. Click [OK] Button.4. Select the Extrude Tool icon from the tool bar at the right of the screen.5. Select the Sketcher icon from the dashboard, and click the reference plane marked as FRONT.6. Click the Sketch button from the Section menu. Pro/E will switch to Sketch Mode.7. Close the References dialog box.8. Select [Sketch] -> [Options] from menu bar. Turn ON the [Grid] and [Snap To Grid], and click the green check button.9. Select [Sketch] -> [Intent Manager] from the menu bar.

10. Use pan and zoom operations to change the viewing so that you see the coordinates as shown in Figure 3.1.11. Now sketch the shape of the cross-section shown in Figure 3.1. Select [Line] from the Menu Manager GEOMETRY menu. Click points A,

B, C, D, A with the left mouse button, and then press the middle mouse button.

[Figure 3.1]

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12. Select [Regenerate] from SKETCHER menu.13. Now set dimensions as shown in Figure 3.2. Follow the steps below.

Click Edge1 and Edge3 with the left mouse button, and click point A with the middle mouse button.Click Edge2 and Edge4 with the left mouse button, and click point B with the middle mouse button.Select [Regenerate].Modify dimensions to match those shown in Figure 3.2 if necessary, and Select [Regenerate].

[Figure 3.2]

14. Select [Done] from Menu Manager.15. Enter extrusion depth as 150, and click check button.16. Select [View] -> [Orientation] -> [Default Orientation] from menu bar. You will see the image shown in Figure 3.3.

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[Figure 3.3]

Creating a Shell

1. Select Shell Tool icon from the tool bar at the right of the screen, as shown in Figure 3.4.

[Figure 3.4]

2. Input 10 in Thickness textbox on the shell tool bar on the dashboard.3. Use the left mouse button to select the front plane. It should become highlighted in pink as shown in Figure 3.5.

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[Figure 3.5]

4. Click the check button. You should see the shelled part shown in Figure 3.6.

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[Figure 3.6]

5. Select the Extrude Tool icon from the tool bar at the right of the screen.6. Select the Sketcher icon from the dashboard.7. Select the inside bottom of the shape near point A in Figure 3.6.8. Click the Sketch button from the Section menu. Pro/E will switch to Sketch Mode.9. Select [Sketch] -> [Intent Manager] from the menu bar.

10. Select [Circle] from the GEOMETRY menu.11. Click point A and point B shown in Figure 3.7.

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[Figure 3.7]

12. Select [Regenerate] from SKETCHER menu.

13. Now set dimensions as shown in Figure 3.8. Follow the steps below.Click point A and Edge1 with the left mouse button, and click point B with the middle mouse button.Click point A and Edge2 with the left mouse button, and click point C with the middle mouse button.Click Circle with the left mouse button, and click point D with the middle mouse button.Select [Regenerate].Modify dimensions to match those shown in Figure 3.8 if necessary, and Select [Regenerate].

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[Figure 3.8]

14. Select [Done] from Menu Manager.15. Enter extrusion depth as 90, and click check button.16. Select [View] -> [Orientation] -> [Default Orientation] from menu bar. You will see the image shown in Figure 3.9.

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[Figure 3.9]

Using Datum Planes to Create a Rib

1. Select Datum Plane Tool icon from the tool bar at the right of the screen, as shown in Figure 3.10.

[Figure 3.10]

2. Select the center axis of the circular protrusion. Hold CTRL and select Edge1 shown in Figure 3.11. This will define references for thedatum plane so that the plane passes through the axis and is normal to the edge.

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[Figure 3.11]

3. Select OK on the Datum Plane pop-up window.4. Select Datum Plane Tool icon again.5. Select the center axis of the circular protrusion. Hold CTRL and select Edge2 shown in Figure 3.11. 6. Select OK on the Datum Plane pop-up window. You should see the two perpendicular planes shown in Figure 3.12.

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[Figure 3.12]

7. Select Rib Tool icon from the tool bar at the right of the screen, as shown in Figure 3.13.

[Figure 3.13]

8. Select the Sketcher icon from the dashboard.9. Select the second datum plane (the longer one) to define the sketch plane.

10. Select the first datum plane (the shorter one) to define the reference.11. Make sure the Orientation in the Section menu is set to Right. The Section menu should look like Figure 3.14.

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[Figure 3.14]

12. Select the Sketch button from the Section menu.13. Do not close the References window once Pro/E enters Sketch Mode.14. Select the Wireframe icon to change the view of the image to wireframe, as shown in Figure 3.15.

[Figure 3.15]

15. Click on Edge1, Edge2, Edge3, and Edge4 shown in Figure 3.16 to define these edges as references.

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[Figure 3.16]

16. Select [Sketch] -> [Intent Manager] from the menu bar.17. Draw a line from point A to point B as shown in Figure 3.16.18. Select [Regenerate].19. Dimension the distance from point B to Edge4 as shown in Figure 3.17. Modify this distance if necessary.

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[Figure 3.17]

20. Select Regenerate, and then select Done.21. Enter 5 into the Thickness textbox in the rib tool bar on the dashboard.22. If the yellow rib direction arrow is not facing towards the inside of the part, select it with the left mouse button. An outline of a rib

should be shown, as in Figure 3.18.

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[Figure 3.18]

23. Click the check button.24. Select the Shading icon on the tool bar at the top of the screen, as shown in Figure 3.19.

[Figure 3.19]

25. Rotate the part to see it from different views. You should see the image shown in Figure 3.20.

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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 section, 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 click on the branch labeled Protrusion on the model tree at the left of the screen, as shown

in Figure 4.1. The entire part should be highlighted.5. Select [Rename] from the menu.

[Figure 4.1]

6. Enter [right_support] into the textbox, and hit Enter.

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7. Next the dimensions of the part will be modified and a reference will be added. Right click on the newly labeled RIGHT_SUPPORTbranch, 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 youwill see the screen shown in Figure 3.2.

[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 screen 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 click on the Round branch of the model tree andselect [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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Tutorial 5: Revolves, Patterns, and Copies

Introduction

The Revolve option is useful for designing circular parts and features. Patterns and copies allow multiple instances of a feature to be createdwith little effort. In this section, you will revolve a section around a centerline to create a pulley and a hole. You will also create a pattern ofholes and a copy of this pattern.

Creating a Revolved Part

1. Start Pro/E Wildfire.2. Choose [File] -> [New] and name the new part [Example5].3. Select the Revolve Tool icon from the tool bar at the right of the screen, as shown in Figure 5.1.

[Figure 5.1]

4. Select the Sketcher icon from the revolve tool bar on the dashboard.5. Select the plane labeled FRONT and select the Sketch button in the Section menu.6. Select [Sketch] -> [Intent Manager] from the menu bar.7. Zoom in so that you see the coordinates shown in Figure 5.2.8. Select [Line] from the GEOMETRY menu, and select [Centerline] from the LINE TYPE menu.9. Click point A and point B shown in Figure 5.2 to create a centerline.

10. Select [Geometry] from the LINE TYPE menu.11. Draw the section shown in Figure 5.2 by clicking the endpoints with the left mouse button, and then clicking the middle mouse button.

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[Figure 5.2]

12. Select [Regenerate] from the SKETCHER menu.13. Add the dimension shown at point A in Figure 5.3 by performing the following steps:

Click Edge1 with the left mouse button.Click Centerline with the left mouse button.Click Edge1 again with the left mouse button.Click point A with the middle mouse button.

14. Follow the same procedure to add the dimensions at points B and C.15. Follow the normal procedure for dimensioning to add the dimensions at points D, E, F, G, and H.16. Select [Regenerate]. You should now be able to see dimensions similar to those shown in Figure 5.3.

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[Figure 5.3]

17. Select [Scale] from the MOD SKETCH menu.18. Select the dimension at point A.19. Type 50 into the textbox and click the check mark.20. Select [Regenerate]. All of the dimensions should scale.21. Select [Mod Entity] from the MOD SKETCH menu.22. Change the dimension of B to 100, C to 200, D to 12.5, E to 25, F to 50, G to 62.5, and H to 75.23. Select [Regenerate]. You should see the image shown in Figure 5.4.

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[Figure 5.4]

24. Choose [Done] from Menu Manager.25. Click the check button in the revolve tool bar.26. Rotate the part to examine the modifications. You should see the image shown in Figure 5.5.

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[Figure 5.5]

Creating a Sketched Hole by Revolving Section

1. Select the Hole Tool icon from the tool bar at the right of the screen.2. Select [Sketched] for the shape of the hole in the hole tool bar on the dashboard.3. Select the Sketcher icon, as shown in Figure 5.6.

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[Figure 5.6]

4. Select [Sketch] -> [Intent Manager] from the menu bar.5. Select [Line] from the GEOMETRY menu and [Centerline] from the LINE TYPE menu.6. Click points A and B to draw a centerline as shown in Figure 5.7.7. Select [Geometry] from the LINE TYPE menu and click points C, D, E, F, G, H, C to draw the section shown in Figure 5.7.

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[Figure 5.7]

8. Select [Regenerate] from the SKETCHER menu.9. Dimension the section as shown in Figure 5.8.

Using the left mouse button, click Edge1, Centerline, and Edge1 again. Click point A with the middle mouse button.Using the left mouse button, click Edge2, Centerline, and Edge2 again. Click point B with the middle mouse button.Add the dimensions at points C and D using the normal method.

10. Select [Regenerate] from the SKETCHER menu.11. Modify the dimensions to match those shown in Figure 5.8.

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[Figure 5.8]

12. Select [Regenerate] and then [Done] from the SKETCHER menu.13. Select the top surface of the pulley. An outline of a hole should be shown as in Figure 5.9.

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[Figure 5.9]

14. Click on the Placement menu on the dashboard and select [Radial] for the hole placement dimensions, as shown in Figure 5.10.15. Click and drag one handle on the hole to the center axis of the hole in the pulley. Drag the other handle to the plane labeled FRONT (do

not select the handle that changes the diameter of the hole). You should see the image shown in Figure 5.10.

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[Figure 5.10]

16. Double click on the dimension at point A in Figure 5.10 and change it to 70.17. Double click on the dimension at point B and change it to 0 degrees.18. Click the check button and rotate the pulley to examine the hole. You should see the image shown in Figure 5.11.

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[Figure 5.11]

Creating Patterns and Copies

1. Select the hole that was just created and select the Pattern Tool icon from the tool bar at the right of the screen.

[Figure 5.12]

2. Double click on the dimension that was shown at point B in Figure 5.10. Change the value from 0 to 60, as shown in Figure 5.13. 3. Change the number of features to 6, as in Figure 5.13. This will make a pattern of 6 holes located 60 degrees apart.

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[Figure 5.13]

4. Click the check button. You should see the image shown in Figure 5.14.

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[Figure 5.14]

5. To create a plane to mirror the holes, select the Datum Plane icon from the tool bar at the right of the screen.6. To define references, select the plane labeled TOP.7. From the DATUM PLANE menu, enter 37.5 into the Offset Translation textbox, and click the OK button. This will put a datum plane in the

center of the pulley, as shown in Figure 5.15.

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[Figure 5.15]

8. Select [Edit] -> [Feature Operations] from the menu bar. Menu Manager will pop up.9. Select [Copy] from the FEAT menu.

10. Select [Mirror] from the COPY FEAT menu.11. Select [Done] from the COPY FEAT menu.12. Select the Pattern (Hole) branch of the model tree at the left of the screen, and select [Done] from the SELECT FEAT menu.13. Select the datum plane that was just created, and select [Done] from the COPY menu. There should now be holes on both side of the

pulley, as shown in Figure 5.16.

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Tutorial 6: Sweeps and Blends

Introduction

Sweeping and blending are useful techniques for designing parts which may be difficult to model with extrusions or revolves. Unlike theseother modeling techniques, sweeps and blends allow for parts with varying cross-sections and parts that twist or bend. In this section youwill created a constant cross-section U-shaped part using a sweep and a vase using a blend.

Creating a Swept Part

1. Start Pro/E Wildfire.2. Select [File] -> [New] and name the new part [Example6A].3. Select [Insert] -> [Sweep] -> [Protrusion] from the menu bar.4. Select [Sketch Traj] from the Menu Manager. This will allow you to sketch the trajectory of the sweep.5. Select the plane labeled FRONT, and select [Okay] from the DIRECTION menu in the Menu Manager.6. Select [Default] from SKET VIEW. Pro/E will switch to Sketcher Mode.7. Select [Sketch] -> [Intent Manager] from the menu bar.8. Draw the path shown in Figure 6.1 as follows:

Select [Line] from the GEOMETRY menu. Click points A and B with the left mouse button, and click the middle mouse button.Click points C and D with the left mouse button, and click the middle mouse button.Select [Arc] from the GEOMETRY menu.Select [Center/Ends] from the ARC TYPE menu.Click points E, B, and D with the left mouse button.

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[Figure 6.1]

9. Select [Regenerate] from the SKETCHER menu.10. Dimension the path as shown in Figure 6.2. Modify the dimensions if necessary.

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[Figure 6.2]

11. Select [Done] from the SKETCHER menu.12. Now you will sketch the cross-section of the part. Select [Sketch] -> [Intent Manager] from the menu bar.13. Draw the section shown in Figure 6.3 as follows:

Select [Line] from the GEOMETRY menu. Click points A and B with the left mouse button, and then click the middle mouse button.Select [Arc] from the GEOMETRY menu.Select [Center/Ends] from the ARC TYPE menu.Click points C, A, and B with the left mouse button.

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[Figure 6.3]

14. Select [Regenerate] from the SKETCHER menu.15. Add the dimensions shown in Figure 6.4 as follows:

Click Edge1 and the plane labeled RIGHT with the left mouse button, and then click point A with the middle mouse button.Click Arc with the left mouse button, and then click point B with the middle mouse button.Select [Regenerate] and modify dimensions if necessary.

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[Figure 6.4]

16. Select [Regenerate] and then [Done] from the SKETCHER menu.17. Select OK button from the PROTRUSION: Sweep pop-up menu.18. Rotate the part to view it from all angles. You should see the image shown in Figure 6.5.

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[Figure 6.5]

Creating a Blended Part

1. Select [File] -> [New] and name the new part [Example6B].2. Select [Insert] -> [Blend] -> [Protrusion] from the menu bar.3. Select [Done] from the Menu Manager pop-up. 4. Select [Smooth] and then [Done] from the Attributes menu.5. Select the plane labeled FRONT, and select [Okay] from the DIRECTION menu in the Menu Manager.6. Select [Default] from SKET VIEW. Pro/E will switch to Sketcher Mode.7. Select [Sketch] -> [Intent Manager] from the menu bar.8. Select [Circle] from the GEOMETRY menu.9. Draw a circle and dimension it as shown in Figure 6.6. This will define the cross-section of the beginning of the blend.

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[Figure 6.6]

10. Select [Sec Tools] from the SKETCHER menu.11. Select [Toggle] from the SEC TOOLS menu. 12. Select [Sketch] from the SKETCHER menu and [Circle] from the GEOMETRY menu.13. Define the second cross-section by drawing a circle concentric to the first as shown in Figure 6.7. Dimension it as shown.

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[Figure 6.7]

14. Repeat steps 10 - 13 twice to add two more circular cross-sections. Dimension the first one to have a diameter of 30 and the secondto have a diameter of 50. You should see the image shown in Figure 6.8.

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[Figure 6.8]

15. Select [Done] from the SKETCHER menu.16. Enter 75 as the depth for section 2 in the textbox at the bottom of the screen, and click the check button.17. Enter 75 as the depth for section 3, and click the check button.18. Enter 25 as the depth for section 4, and click the check button.19. Select the OK button from the PROTRUSION: Blend menu.20. Rotate vase to view it from all angles. You should see the image shown in Figure 6.9.

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[Figure 6.9]

21. Select the Shell Tool icon from the tool bar at the right of the screen.22. Enter 5 into the Thickness textbox at the shell tool bar on the dashboard.23. Select [References] from the shell tool menu bar on the dashboard.24. Select the top surface of the vase, as shown in Figure 6.10.

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[Figure 6.10]

25. Click the check button. You should see the shelled vase shown in Figure 6.11.

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Tutorial 7: Engineering Drawings

Introduction

Engineering drawings are critical for communicating design ideas. Pro/E's drawing mode allows a user to create detailed drawingsof previously created parts and assemblies. In this tutorial, you will learn the fundamentals of drawing mode while creating anannotated multiview drawing of a part.

Creating a Drawing

1. Start Pro/E Wildfire.2. Select [File] -> [New]. Select [Drawing] from the Type category of the pop-up window, name the drawing Example7, and

click OK.

[Figure 7.1]

3. A New Drawing window will pop up, as shown in Figure 7.2. Use the Browse button set the Default Model to the part[example1.prt] that you created in the first tutorial.

4. Select [Empty with format] from the Specify Template category.5. Select the Browse button from the Format category. A Systems Formats folder should open. Select a.frm from the list of

formats. This will give you a size A paper (standard 8 1/2 x 11) with a standard title block.

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[Figure 7.2]

6. Click the OK button on the New Drawing window. You should see the view shown in Figure 7.3.

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[Figure 7.3]

7. Select [Insert] -> [Drawing View] from the menu bar.8. Select [Done] from the Menu Manager. This will allow you to create a typical view of the part.9. Left click on the screen near point A shown in Figure 7.3 to locate the center of the view. You should see the outline of the

part as shown in Figure 7.4.10. You will now be prompted to select the front view of the part. Select plane A shown in Figure 7.4.11. You will now be prompted to select the top view of the part. Select plane B shown in Figure 7.4.

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[Figure 7.4]

12. Select the OK button from the Orientation window. You should see the front of the part as shown in Figure 7.5.

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[Figure 7.5]

13. Select [Insert] -> [Drawing View] from the menu bar again.14. Select [Done] from the Menu Manager and click near point B shown in Figure 7.5. This will place a side view of the part to

the right of the front view. Other views could also be added to the drawing (top view, section view, orthogonal view, etc.),but the front and side views are all that is necessary to show all the features for this part.

15. Right click on the Layers branch of the Layer Tree at the left of the screen, and select [Blank Layer]. This will remove thecoordinate axis and view plane data from the drawing, and you should see the view shown in Figure 7.6.

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[Figure 7.6]

Adding Dimensions and Tolerances

1. Double click on SCALE at the bottom of the screen, and change it to 0.01. This will make the views of the part slightlylarger.

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[Figure 7.7]

2. Select [View] -> [Show and Erase] from the menu bar.3. Select the Dimension Icon from the Type category in Show/Erase window, as shown in Figure 7.8.4. Select Part and View from the Show By category.5. Make sure Erase and Never Shown are checked in the Options category. This will allow all dimensions which are not

currently shown to be displayed.

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[Figure 7.8]

6. Select the Show All button from the Show By category. Select Yes when prompted to confirm. Select the Accept All buttonfrom the Preview category of the Show/Erase window.

7. Select the Close button to close the Show/Erase window. You should see all the dimensions of the part as shown in Figure7.9.

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[Figure 7.9]

8. Click somewhere on the screen to deselect all the dimensions.9. Now move the dimensions so that they are easier to read. Use the mouse to select a dimension in the front view, and then

use the mouse to drag it. Do this for all dimensions, so that you see the view shown in Figure 7.10.10. Repeat this process for the dimensions on the side view of the part.

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[Figure 7.10]

11. Since the front view of the part is somewhat cluttered, you can move the some dimensions to the side view. Left click onthe dimension which labels the height of the cut as 100.

12. Select [Edit] -> [Move Item to View] from the menu bar.13. Click somewhere inside the side view of the part. The dimension should now be shown in that view, as shown in Figure 7.11.

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[Figure 7.11]

14. Use the mouse to draw a selection box around both of the views to select all the dimensions. The dimensions should beshown in red.

15. Select [Edit] -> [Cleanup] -> [Dimensions] from the menu bar.16. Select the Apply button from the Clean Dimensions window. This will set the location of the dimensions to be a consistent

distance from the part.17. Select the Close button from the Clean Dimensions window. You should see the dimensions as shown in Figure 7.12.

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[Figure 7.12]

18. To reposition the views so that they better fill the page, select [Tools] -> [Environment] from the menu bar.19. Uncheck the box that says Lock View Movement and click the OK button.20. You can now click on a view and drag it to a new location. Notice that the side view always stays aligned with the front

view.21. To add tolerances to the dimensions, select [File] -> [Properties] from the menu bar. Select [Drawing Options] from the

Menu Manager.22. An Options window will appear. This window is useful for changing many properties of the drawing including text, view, and

dimension properties.23. Type [tol_display] into the Options text box and hit Enter. Use the pull-down menu next to the text box to change the value

to [Yes]. 24. Click the Add/Change button, and then click the OK button.

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[Figure 7.13]

25. Select [Done/Return] from the Menu Manager.26. Select [Edit] -> [Regenerate] -> [Model] from the menu bar. You should see tolerances as shown in Figure 7.14.

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[Figure 7.14]

27. To change the type of tolerancing, left click on a dimension to select it. Select [Edit] -> [Properties] from the menu bar.28. Change the Tolerance Mode to [+- Symmetric] and click the OK button. The dimension will be shown as in Figure 7.15.

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[Figure 7.15]

Creating Notes for Title Block

1. In this section you will fill in the title block of the drawing. Select [Insert] -> [Note] from the menu bar.2. Select [Make Note] from the Menu Manager and click near point A shown in Figure 7.16. Type [Carnegie Mellon University]

into the text box at the bottom of the screen and click the check button twice.

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[Figure 7.16]

3. Select [Make Note] again and click near point B. Type the part name [Part 1] into the text box, and click the check buttontwice.

4. Repeat this process to add [Drawing No. 001] at point C, [SCALE 0.01] at point D, and your name at point E. 5. Select [Done/Return] from the Menu Manager.6. Use the mouse to click and drag the notes to position them at the center of the boxes so that they look like those shown in

Figure 1.17.

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[Figure 7.17]

7. Now change the size of the text. Select the Scale note and select [Format] -> [Text Style] from the menu bar.8. In the Text Style window, uncheck the box labeled Default for the height of the text. Change the value to 0.09, as shown in

Figure 7.18. Click the OK button.

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[Figure 7.18]

9. Click the OK button on the Text Style window. The note should now fit in the box as shown in Figure 7.19.

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[Figure 7.19]

10. Select [File] -> [Save] from the menu bar to save the drawing.11. Test the information you have learned in this tutorial by completing Problem 7.

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Tutorial 8: Assembly Modeling

Introduction

Pro/E's assembly module allows parts to be grouped into assemblies or subassemblies to model a complete part or mechanism. In thistutorial, you will learn how to create assemblies, apply constraints between parts, change view properties of parts, and create explodedviews. These techniques will be applied to a pulley mechanism.

Creating an Assembly

1. For this tutorial, you will need the parts you created in Problem 2 and Tutorial 5. You will also need to download the parts below. Make sure all parts are stored in the same folder.

shaft.prt

bearing.prt

2. Start Pro/E Wildfire.3. Select [File] -> [New] and choose Assembly under the Type category. Name the assembly [Example8].4. You will now begin to add parts to the assembly. Select the Add Component icon from the tool bar at the right of the screen, as

shown in Figure 8.1.

[Figure 8.1]

5. Select the part you made in Problem 2. This part will be used as a support for the pulley mechanism.6. The Component Placement window will pop up as shown in Figure 8.2. This window will be used to constrain the part.7. Select [Coord Sys] from the pull down menu under the Type category, as shown in Figure 8.2.

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[Figure 8.2]

8. Select the part's coordinate system and then the assembly's coordinate system, as shown in Figure 8.3. This will align the part andfully constrain it.

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[Figure 8.3]

9. If you have trouble locating the coordinate systems, or if you have trouble locating a datum at any point during this tutorial, you canuse the icons at the tool bar at the top of the screen to select what to display. These icons can be used to hide datum planes, axes,points, and coordinate systems. The icons are shown in Figure 8.4.

[Figure 8.4]

10. Select Okay from the Component Placement window.11. Now you will add the other support. Select the Add Component icon again, and select the part from Problem 2 again.12. Select [Align] from the Type category in the Component Placement window. Click near points A and B in Figure 8.5 to select the

bottom surfaces of each support.

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[Figure 8.5]

13. Make sure the offset of the constraint in the Component Placement window is set to [Coincident], as shown in Figure 8.6. If it is notset to [Coincident], double click on it and use the pull-down menu to select [Coincident].

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[Figure 8.6]

14. Now select [Mate] from the second pull-down menu in the Type category. Click near points C and D in Figure 8.7 to select the frontfaces of the supports. The second support that you just added should rotate so that the two sides face each other.

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[Figure 8.7]

15. If the offset of the constraint is set to [Coincident] or [Oriented], double click on it and change it to [0.0] as shown in Figure 8.8.

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[Figure 8.8]

16. Type [340] into the textbox, as shown in Figure 8.9, and hit the Enter key. This will specify the distance between the two supports. You should see the parts as shown in Figure 8.10.

[Figure 8.9]

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17. Click the plus sign icon in the Components Placement window to add a new constraint. 18. Select [Align] from the Type menu, and select the axes of the holes of each part, as shown in Figure 8.10.

[Figure 8.10]

19. Make sure the offset is set to [Coincident]. You should see the parts as shown in Figure 8.11.

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[Figure 8.11]

20. The Placement Status section in the Component Placement window should now say Fully Constrained. Hit the OK button.21. Now you will add the bearings. Select the Add Component icon again, and select the part called bearing.prt.22. Set the first constraint to be [Insert]. Select the outer surface of the bearing and the inner surface of the hole in one of the supports,

as shown in Figure 8.12.

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[Figure 8.12]

23. Set the second constraint to be [Align]. Select the front surface of the bearing and the back surface of the support, as shown in Figure8.13.

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[Figure 8.13]

24. Set the offset to [-7.5]. This should place the bearing inside the hole, as shown in Figure 8.14.

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[Figure 8.14]

25. The Placement Status section in the Component Placement window should now say Fully Constrained. Hit the OK button.26. Repeat steps 21-25 to add a bearing inside the other support.27. Now you will add the pulley. Select the Add Component icon again, and select the pulley you made in Tutorial 5.28. Set the first constraint to be [Align]. Select the central axis of the pulley and the axis through the hole in one of the supports. You

may have a hard time locating the axis of the hole in the support since the bearing has many axes. Run the cursor over the locationyou think it should be until you see a description of an axis that mentions Problem2, such as what is shown in Figure 8.15.

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[Figure 8.15]

29. Set the second constraint to be [Align]. Select one face of the pulley and one face of the left support, as shown in Figure 8.16.30. Change the Offset to be [207.5]. This should place the pulley in the center of the two supports.

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[Figure 8.16]

31. The Placement Status section in the Component Placement window should now say Fully Constrained. Hit the OK button.32. Now you will add the shaft. Select the Add Component icon again, and select the part called shaft.prt.33. Set the first constraint to be [Insert]. Select the surface of the shaft and the inner surface of a bearing, as shown in Figure 8.17.

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[Figure 8.17]

34. Set the second constraint to be [Align]. Select the end face of the shaft and the back face of the support, as shown in Figure 8.18.35. Change the offset to be [0.0].

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[Figure 8.18]

36. The Placement Status section in the Component Placement window should now say Fully Constrained. Hit the OK button. You shouldsee the assembly as shown in Figure 8.19.

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[Figure 8.19]

Modifying Appearances

1. In this section you will modify the appearance of the parts. Select [View] -> [Color and Appearance] from the menu bar.2. There is currently only one appearance available - the grey shaded coloring of the parts in the assembly. To add more colors and

textures, select the plus sign arrow in the Appearance Editor window as shown in Figure 8.20.3. Select the Color icon to alter the color of the new appearance.

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[Figure 8.20]

4. A Color Editor window will pop up, as shown in Figure 8.21. Use the R, G, and B slide bars to change the amounts of red, green, andblue to define a new color. Alternatively, you can select a color from the color wheel.

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[Figure 8.21]

5. Select the Close button from the Color Editor window when you are satisfied with the new color. You can use the other slide bars inthe Appearance Editor window to adjust other properties of the new appearance.

6. To set a part to this appearance, select [Components] from the Assignment category.7. Select a part from the assembly with the left mouse button, and then click the middle mouse button somewhere on the screen.8. Select the Apply button from the Appearance Editor window. The part should change color, as shown in Figure 8.22.

[Figure 8.22]

9. You can repeat this process to allow different parts to have different appearances. An example of this is shown in Figure 8.23.

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[Figure 8.23]

Exploded Views

1. In this section you will create an exploded view of the assembly. Select [View] -> [View Manager] from the menu bar.2. Select the Explode tab in the View Manager window.3. Right click on the Default view and select [Explode] from the menu, as shown in Figure 8.24.

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[Figure 8.24]

4. You will see an exploded view of the assembly. However, this view is not very good (some of the parts overlap, it is not clear wherethe bearings belong, etc), so you will now define your own exploded view.

5. Right click on the Default view and select [Unexplode]. 6. Select the New button under the Explode tab, type [Exploded1], and hit Enter.7. Right click on the Exploded1 view and select [Redefine]. This will bring up the Menu Manager.8. Select [Position] on the Menu Manager.9. Select [Plane Normal] as the Motion Reference in the Explode Position window. Select a plane parallel to the support, such as the one

shown in Figure 8.25.

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[Figure 8.25]

10. Click on the right support. You can now move the mouse back and forth to move the part. Click again farther to the right to set thenew location for the support, as shown in Figure 8.26.

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[Figure 8.26]

11. Now click on the bearing and move it to the right.12. Repeat this process for all of the parts so that they are all separated, as shown in Figure 8.27.

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[Figure 8.27]

13. Select the OK button from the Explode Position window, and select [Done/Return] from the Menu Manager.14. You can unexplode and explode the view by right clicking on the Exploded1 view and selecting the appropriate command.15. Select [File] -> [Save] from menu bar to save the assembly.16. Test the information you have learned in this tutorial by completing Problem 8.

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Tutorial 9: Sheet Metal Design

Introduction

Sheet metal is a commonly used material for the design of engineering systems. In this tutorial, you will learn to design sheet metal partscontaining multiple walls, bends, cuts, and holes. You will also learn how to create a flat pattern of the part.

Creating Base Shape

1. Start Pro/E Wildfire.2. Select [File] -> [New], and type the part name [Example9] in Text Box.3. Make sure [Part] is selected from the Type menu, and select [Sheetmetal] from the Sub-type menu. Click [OK] Button.4. Select the Create Unattached Extruded Wall icon from the tool bar at the right of the screen, as shown in Figure 9.1.

[Figure 9.1]

5. Select [One Side] from the ATTRIBUTES menu of the menu manager. This will cause the part to be extruded in one direction only.6. Select the FRONT plane as the sketching plane.7. Flip the arrow if it is not facing away from you, and select [Okay] from the DIRECTION menu.8. Select [Default] from the SKET VIEW menu. Pro/E should now enter Sketcher mode.9. Draw the profile shown in Figure 9.2 and dimension it as shown. Notice that two of the radii have dimensions of 5 while two have

dimensions of 10. This is because some represent inner corners of the part while the others represent outer corners. Also note thatyou are not drawing a closed profile, since the sheet metal is of constant thickness which you will define later.

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[Figure 9.2]

10. Click the check mark or select [Done] to exit Sketcher mode.11. Make sure the arrow indicating the thickening direction is facing down, and select [Okay] from the DIRECTION menu.12. Enter [5] into the textbox on the dashboard to set the thickness of the sheet metal, and click the check button.13. Make sure SPEC TO is set to [Blind] in the Menu Manager, and select [Done].14. Enter [120] into the textbox on the dashboard to set the extrusion depth, and click the check button.15. All of the properties of the part should be shown in the window that reads FIRST WALL: Extrude as shown in Figure 9.3. If you need

to change any properties later, you will use this window. Select the Okay button in this window. You should see the part shown inFigure 9.4.

[Figure 9.3]

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[Figure 9.4]

Creating Additional Walls

1. Select the Create Flat Wall No Radius icon from the tool bar at the right of the screen, as shown in Figure 9.5.

[Figure 9.5]

2. Select [Part Bend Tbl] from the menu manager, and then select [Done/Return].3. Select the white edge shown in Figure 9.6 as the reference for the new wall.4. Make sure the arrow is facing down, and select [Okay] from the menu manager.

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[Figure 9.6]

5. Draw the profile of the new wall as shown in Figure 9.10 and dimension it as shown.

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[Figure 9.7]

6. Click the check mark or select [Done] to exit Sketcher mode.7. Select [Okay] from the WALL Options menu. You should see the wall as shown in Figure 9.8.

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[Figure 9.8]

8. You will now add a datum point to help define the next wall. Select the Datum Point icon from the tool bar at the right of the screen,as shown in Figure 9.9.

9. Select the top right corner of the newly added wall, as shown in the figure, to define the datum point. Select [Okay] from the DatumPoint window.

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[Figure 9.9]

10. Select the Create Extruded Wall No Radius icon from the tool bar at the right of the screen, as shown in Figure 9.10.

[Figure 9.10]

11. Select [Part Bend Tbl] and then [Done/Return] from the menu manager. Select [One Side] and then [Done]. 12. Select the top edge of the newly created wall as the reference edge for the new wall, as shown in Figure 9.11.

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[Figure 9.11]

13. Select [By Point] from the SETUP SK PLANE menu, and click on the datum point that you created in step 9. A new datum plane will beautomatically created.

14. Make sure the arrow is facing to the left, along the path of the edge you selected as a reference, and select [Okay] from theDIRECTION menu.

15. Draw the profile shown in Figure 9.12. You will need to add a line along the edge of the previously created wall as shown in the figurein order to create the necessary radius.

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[Figure 9.12]

16. Delete the extra line you drew in the previous step, and click the check mark or select [Done].17. Select [Okay] from the WALL Options window. You should see the wall shown in Figure 9.13.

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[Figure 9.13]

Adding Holes and Cuts

1. Holes can be added to sheet metal parts in basically the same way as they are added in solid parts. Select [Insert] -> [Hole] from themenu bar at the top of the screen.

2. Select the top surface of one of the side flanges, shown in pink in Figure 9.14, as a reference for the hole.3. Drag the reference handles and adjust their values so that the hole is 20 from the side wall and 35 from the edge.4. Set the radius of the hole to be 15, and cut the hole through the part.

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[Figure 9.14]

5. Repeat this process to create another hole 35 inches from the other side of the same flange. You should see two holes as shown inFigure 9.15.

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[Figure 9.15]

6. Use the menu manager operations (as was described in Tutorial 5) to mirror these two holes about the datum plane in the center ofthe part to create two holes on the opposite flange.

7. You will now create a cut in the part. You will start by unbending the part, since the cut will be through several walls. Select theCreate Unbend icon from the tool bar at the right of the screen, as shown in Figure 9.16.

8. Select [Regular] from the Unbend Options menu, and then select [Done].9. Select the surface labeled A in Figure 9.16 as the plane to remain fixed.

10. Select [Unbend Select] and then [Done] from the menu manager.11. Select Edge 1, hold down the control key, and select Edge 2 as the edges to unbend.

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[Figure 9.16]

12. Select [Done Refs] from the menu manager, and select the Okay icon from the Regular Type window. The part should now be unbentat Edge 1 and Edge 2.

13. Select [Insert] -> [Extrude] from the menu bar at the top of the screen.14. Select the Sketcher icon on the dashboard, and select the surface labeled as A in Figure 9.16 as the reference plane. 15. Select the Sketch icon from the Section menu.16. Sketch the profile shown in Figure 9.17, and click the check mark or select [Done] to exit Sketcher mode.

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[Figure 9.17]

17. Select the Thru All option to cut through the part, and click the check mark. You should see the part shown in Figure 9.18.

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[Figure 9.18]

18. Select the Create Bend Back icon from the tool bar at the right of the screen, as shown in Figure 9.18.

19. Select the original part (labeled FIRST WALL in the model tree) as the part to unbend.

20. Select the surface labeled A in Figure 9.16 as the plane to remain fixed.

21. Select [BendBack All] and then [Done] from the menu manager. Select the Okay icon from the Bend Back window. You should seethe part as shown in Figure 9.19.

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[Figure 9.19]

22. To create a flat pattern of the part which can be used to cut the sheet metal to the correct size, select the Create Flat Pattern iconfrom the tool bar at the right of the screen and click somewhere on the part. You should see the part as shown in Figure 9.20.

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Tutorial 10: Surface Modeling

Introduction

While the modeling techniques you have learned so far are ideal for creating parts containing flat planes and continuous curves, surfacingtechniques are more useful for creating parts with complex surfaces and curves. Surface models are created by defining boundarycurves, adding surfaces between curves, and combining surfaces to create parts. In this tutorial, you will learn how to create surfaces,create models from surfaces, and add features to surface models while designing a telephone receiver.

Extruding Surfaces

1. Start Pro/E Wildfire.2. Select [File] -> [New], and type the part name [Example10] in Text Box.3. Click [OK] Button.4. Select the Extrude Tool icon from the tool bar at the right of the screen.5. Select the Extrude as Surface icon from the dashboard. This will allow you to extrude a surface with zero thickness rather than a

solid part with a defined thickness, as shown in Figure 10-1. In addition to extruding surfaces, you can also revolve surfaces orcreate surfaces from boundary curves.

[Figure 10.1]

6. Select the Sketcher icon from the dashboard, and click the reference plane marked as TOP.7. Click the Sketch button from the Section menu. Pro/E will switch to Sketcher Mode.8. Draw the line shown in Figure 10.2 and dimension it as shown.

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[Figure 10.2]

9. Click the check button to exit Sketcher mode. Since you are defining a surface rather than a solid, the profile does not need toform a closed loop.

10. Set the extrusion depth to be 1.5 inches. 11. Select the icon to extrude an equal depth on each side, as shown in Figure 10.3.

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[Figure 10.3]

12. Click the check button. You should see the surface shown in Figure 10.4.

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[Figure 10.4]

13. Click on the surface you just created, and select the Mirror Icon from the tool bar at the right of the screen.14. Select the RIGHT plane to mirror the surface about, and click the check mark. A new surface should be created, as shown in

Figure 10.5.

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[Figure 10.5]

Sketching Datum Curves

1. Create a datum plane passing through the front edge of the surface you created. Make it at an angle of 10 degrees with the TOPplane. This means you will use the edge of the surface and the TOP plane as references, as shown in Figure 10.6.

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[Figure 10.6]

2. Select the Sketched Datum Curve Tool icon from the tool bar at the right of the screen, as shown in Figure 10.7.

[Figure 10.7]

3. Select the datum plane you just created as the sketch plane, and select the FRONT plane as a reference with the orientation set toRight.

4. You will now need to define the reference points / lines for the curve you will draw. Click on the two points shown in Figure 10.8to select them as references. The two vertices should be added to the list of references in the Reference window.

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[Figure 10.8]

5. Draw the lines shown in Figure 10.9, and dimension them as shown.

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[Figure 10.9]

6. Add 0.5 inch fillets to the two corners.7. Click the check mark to exit Sketcher mode and select Okay from the Sketched Datum Curve window.8. Select the Sketched Datum Curve Tool icon again, and select the same planes as in step 3.9. Select the two outside corners of the surfaces as references.

10. Sketch the curve shown in Figure 10.10.

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[Figure 10.10]

11. Add 2 inch fillets to the two corners.12. Click the check mark to exit Sketcher mode and select Okay from the Sketched Datum Curve window. You should see the two

curves shown in Figure 10.11.

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[Figure 10.11]

13. Mirror the datum plane that you created about the TOP plane by selecting [Edit] -> [Feature Options] from the menu bar andfollow the steps typically used for mirroring a feature.

14. Repeat steps 2-12 to create datum curves on the other side of the surfaces.

Creating Surfaces from Boundary Curves and Merging Surfaces

1. Select the Blend Tool icon from the tool bar at the right of the screen, as shown in Figure 10.12.

[Figure 10.12]

2. Select the first curve you drew, hold the Ctrl key, and select the second curve you drew. A surface should be formed as shown inFigure 10.13. Click the check button to accept the surface.

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[Figure 10.13]

3. Repeat steps 1 and 2 to form a surface between the two curves on the other side of the part.4. Use the same process to create a surface between the top two curves, as shown in Figure 10.14.

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[Figure 10.14]

5. Repeat to create a surface between the bottom two curves. You should see the part as shown in Figure 10.15.

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[Figure 10.15]

6. Select the top surface of the part, hold the Ctrl key, and select one of the side surfaces. These surfaces should become highlightedin red, as shown in Figure 10.16.

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[Figure 10.16]

7. Select the Merge Tool icon from the tool bar at the right of the screen. Click the check mark to merge the two surfaces.8. Repeat steps 6 and 7 to merge the top surface with the other side surface.9. Repeat this process of merging two sides at a time until all surfaces are connected.

Creating Features

1. You will now create an offset draft for the speaker. Select the Sketched Datum Curve Tool icon, and select the bottom surface ofthe part as the sketching plane.

2. Draw the circle shown in Figure 10-17, and click the check button.

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[Figure 10.17]

3. Select the bottom surface on which you just drew the circle, and select [Edit] -> [Offset] from the menu bar.4. Change the type of offset to [With Draft] on the Dashboard. The Dashboard should now look like the one shown in Figure 10.18.

[Figure 10.18]

5. Click on the Sketch box on the Dashboard and select the circle. 6. Set the distance to 0.0875 inches, and change the direction of the offset to make sure that the circle will be offset into the part.7. Set the draft angle to 45 degrees.8. Click the check button. You should see the offset as shown in Figure 10.19.

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[Figure 10.19]

9. Now you will thicken the surfaces to create a shelled part. Using the model tree, select the last surface merge. This will allow youto select all of the surfaces.

10. Select [Edit] -> [Thicken] from the menu bar.11. Enter a thickness of 0.125 on the Dashboard, and click the check button. You can change the view from Shading to Hidden Line to

see the effects of thickening, as shown in Figure 10.20.

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[Figure 10.20]

12. You will now round the edges of the phone. Select the Round Tool icon from the menu bar at the right of the screen.13. Select the top two edges of the phone and add 0.5 inch rounds to them.14. Add 0.125 inch rounds to all of the other edges. The phone should look like the one shown in Figure 10.21.

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[Figure 10.21]

15. If you want, finish the speakers on the phone by adding patterns of holes, as shown in Figure 10.22.

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[Figure 10.22]

16. Select [File] -> [Save] from the menu bar to save the part.17. Test the information you have learned in this tutorial by completing Problem 10.

Home • Course Info • Tutorials • Problems • Students • References

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Step 1: Modeling the parts

Step 2: Assembling the mechanism

Step 3: Analyzing the motion

Step 4: Performing FEA on the driver

Step 5: Performing a thermal analysis

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Bridge Structure: FEA using Beam Elements

Introduction

Structures containing long, constant cross-section beams can be modeled efficiently in Pro/MECHANICA by using beam elements rather than solidelements. In this tutorial, you will learn how to construct and analyze beam structures.

Creating the Nodes

1. Start Pro/E Wildfire.2. Select [File] -> [New], type the part name [Bridge] in text box, and click the OK Button.3. You will begin by defining the nodes of the structure. Select the Sketched Datum Point icon from the tool bar at the right of the screen, as

shown in Figure 1.1.

[Figure 1.1]

4. Select the reference plane marked as FRONT.5. Click the Sketch button from the Sketched Datum Point window. Pro/E will switch to Sketch Mode.6. Select [Sketch] -> [Options] from menu bar. Turn ON the [Grid] and [Snap To Grid] in the Sketcher Preferences window and click the

green check button.

7. Select the Create Points icon , and click on the 8 points circled in red in Figure 1.2 to define these as nodes. You will should draw them

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in the order shown so that your points are labeled consistently with the ones shown in the figures of this tutorial. You may need to pan andzoom to get the correct view.

8. Make sure the dimensions of the points are the same as those shown in gray the figure. If not, click on the Select Icon and changethe incorrect dimension by double clicking on it and typing the correct value.

[Figure 1.2]

9. Select the Continue icon from the tool bar at the right of the screen to exit Sketch Mode. You should see the points as shown inFigure 1.3.

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[Figure 1.3]

10. Select [Edit] -> [Feature Operations] from the menu bar.11. Select [Copy] -> [Move] from the Menu Manager, and then select [Done].12. Click on one of the points you just created, which will select them all, and select [Done] from the Menu Manager.13. Select [Translate] and then [Csys], and click on the coordinate system in the model window.14. Select [Z Axis] and then [Okay]. 15. Enter an offset distance of 90 in the text box at the bottom of the screen, and click the check button.16. Select [Done Move] and then [Done] from the Menu Manager. 17. Select the OK button from the Group Elements window, and select [Done] from the Menu Manager. You should see a second set of points

as shown in Figure 1.4.

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[Figure 1.4]

Creating Beam Elements

1. Select [Applications] -> [Mechanica] from the menu bar. A window will be displayed containing the unit information for the assembly. Notethe units displayed, as all analyses you will perform will not show units, and click the Continue button on this window.

2. Make sure the FEM Mode button is unchecked on the Menu Manager. If you cannot uncheck it, you will need to modify the installation ofPro/E.

3. Select [Structure] -> [Idealizations] -> [Beams] -> [New] from the Menu Manager.4. In the Beam Definition window, click the arrow button under References so that you can select the two points defining the start and end of

the first beam.5. Select the points labeled Pnt0 and Pnt5 in Figure 1.4 (the labels for your points may be different than the ones shown in the figure,

depending on the order in which you drew the points).6. Now you will define the material of the beam. Select the More button next to Material.

7. Select [Steel] from the Materials in Library list, and click the Assign Material icon . Click the OK button.8. Now you will define the beam orientation (for more information on beam orientations, see the Pro/E help files). Leave Y Direction set to

WCS (world coordinate system), and set X to 0, Y to 1, and Z to 0.9. Now you will define the cross-section of the beam. Select the More button next to Section.

10. Select the New button from the Beam Sections window. Change the name to [main_supports]. 11. Change the type to [Hollow Circle], and set the outer radius to 2 inches and the inner radius to 1.5 inches, as shown in Figure 1.5.

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[Figure 1.5]

12. Click the OK button from the Beam Section Definition window and the Beam Sections window. The Beam Definition window should look likethe one shown in Figure 1.6.

[Figure 1.6]

13. Click OK to close this window. You should now see the beam shown in blue in Figure 1.7.

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[Figure 1.7]

14. Select [New] again from the Beam menu of the Menu Manager.15. In the Beam Definition window, click the arrow button under References. Select the points labeled Pnt5 and Pnt6 in Figure 1.7.16. Make sure the material is set to STEEL and the section is set to main_supports. Set the Y direction vector (X, Y, Z) to (0, 1, 0) as you did

for the first beam.17. Click the OK button to create the beam.18. Repeat steps 14 - 17 to create the main supports of the bridge, as shown in Figure 1.8. To make the process easier, you can change

Reference in the Beam Definition window to [Point Point Pair] and select the endpoints of all the beams at once. To do this, hold down theControl key and select the start and then the end of each beam segment.

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[Figure 1.8]

19. Now you will define the cross-beams of the bridge. These beams will have a different cross section than the main supports of the bridge. Select [New] from the Beam menu again.

20. Select the More button next to Section, and select the New button from the Beam Sections window.21. Call the new section [cross_beams], and change the type to [Hollow Circle]. Set the outer radius to 1.25 inches and the inner radius to

1.00 inches.22. Click the OK button from the Beam Section Definition window and the Beam Sections window.23. Using this cross section instead of the one for the main supports, add the beams shown in Figure 1.9. Use a Y Direction vector of (0, 0, 1).

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[Figure 1.9]

24. Add the beams shown in Figure 1.10. The cross section of these beams should be cross_beams and the Y Direction vector should be set to(0, 1, 0). Figures 1.11 and 1.12 show the top and front views of what the final bridge should look like.

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[Figure 1.10]

[Figure 1.11]

[Figure 1.12]

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Performing a Finite Element Analysis

1. You will first constrain the ends of the bridge so that they cannot move. Select [Done/Return] from the Idealizations menu, and then select[Constraints] -> [New] -> [Point].

2. Click the arrow button under Point(s). Hold down the Control key and select the four endpoints, labeled as Pnt 0, Pnt 8, Pnt 4, and Pnt 12in the figures above. Click OK from the Select window.

3. Click the appropriate icon to set the Z Rotation to free, and leave all the other rotations and translations as fixed, as shown in Figure 1.13. This will define a pin joint at the points.

[Figure 1.13]

4. Select the OK button from the Constraint window. You should see the constraints as shown in Figure 1.14.

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[Figure 1.14]

5. Now you will apply loads to the bridge. Select [Done/Return] from the Constraints menu, and then select [Loads] -> [New] -> [Point].

6. Click the arrow button under Point(s). Hold down the Control key and select the points labeled as Pnt 3 and Pnt 11 in the figures above. Click OK from the Select window.

7. Set the Y Direction force to -10,000 lbs, and leave all the other forces and moments set to 0.8. Select the OK button from the Force/Moment window. You should see the forces as shown in Figure 1.15.

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[Figure 1.15]

9. You will now run a static analysis of the structure. Select [Done/Return] from the Loads menu, and then select [Analyses/Studies] from theMec Struct menu.

10. Select [File] -> [New Static] from the Analyses and Design Studies window.

11. In the Static Analysis Definition window, set the name of the analysis to Bridge_Static. Make sure LoadSet1 and ConstraintSet1 areselected, and that the method is set to Multi-Pass Adaptive. Select the OK button.

12. Select the Run icon on the Analyses and Design Studies window to begin the analysis. Select Yes when asked if you want errordetection.

13. This analysis should just take a minute. You can view the progress by selecting the Display Study Status icon .14. When the analysis is completed, select [Results] from the Menu Manager. A new window should open.15. Select [Insert] -> [Results Window] from the menu bar.16. Click the icon under Design Study and select the analysis you just performed. Set the display type to [Fringe], the quantity to [Stress], and

the component to [von Mises]. Select the OK and Show button. You should see the display shown in Figure 1.16. You can rotate andtranslate this display using the same mouse commands that you would use to rotate a part when modeling it.

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[Figure 1.16]

17. You can insert more results windows to show other stresses, displacements, etc. Select [Insert] -> [Results Window] again. Select thesame design study. This time, set the quantity to Displacement and the component to Magnitude. Under the Display Options tab, check theDeformed checkbox. Click the OK and Show button. You will see the displacement of the bridge, as shown in Figure 1.17. Notice that thedisplacements are greatly exaggerated, with the scale at the right indicating actual displacements.

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[Figure 1.17]

18. You can change the cross-sections of the beams to see how it affects the stresses in the bridge. Close the results windows and select[Model] -> [Idealizations] -> [Beams] -> [Sections] from the Menu Manager.

19. Select the beam section main_supports, and click the Edit button.

20. Change the Section Type to I-Beam, and set the values to the ones shown in Figure 1.18. These are the properties of a W6 X 9 WideFlange I-Beam.

[Figure 1.18]

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21. Select the OK button from the Beam Section Definition window and close the Beam Sections window.22. Select [Done/Return] from the Idealizations window, and then select [Analyses/Studies] from the Mec Struct menu.23. Select [File] -> [New Static] from the Analyses and Design Studies window.24. In the Static Analysis Definition window, set the name of the analysis to Bridge_Static. Make sure LoadSet1 and ConstraintSet1 are

selected, and that the method is set to Multi-Pass Adaptive. Select the OK button.

25. Select the Configure Run Settings icon . Under Elements, select the radio button for Create Elements During Run. Otherwise, theanalysis would use the same beam elements (with circular cross-sections) that were used in the first analysis. Select the OK button.

26. Repeat steps 12 - 17 to run the new analysis and plot the results. You should see the results windows shown in Figure 1.19.

[Figure 1.19]

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Carnegie Mellon Self-Paced Learning on the Web

Mechanical Engineering

Pro/ENGINEERBench Vise

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Step 1: Modeling the parts

Step 2: Assembling the mechanism

*** Tutorials designed by Gautam Jain ***

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