Fusion 360 Lesson 4

13. Click OK.

14. On the ViewCube, click Home.

15. In the browser, expand the Bodies folder. The clamp screw is added as a second body.
16. Save the file. For Version Description, enter Clamp screw added.
17. Click OK.

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Exercise: Model the Clamp Nut
In this exercise, you model the clamp nut for the steering clamp
assembly.
Objectives:

• Model the base
• Model the upper body
• Add a thread and chamfer
• Add a serrated surface
• Add a fillet and chamfer
Step 1: Model the Base
1. The Steering Clamp file should be open.

2. In the browser, expand the Bodies folder, then turn off the visibility of the second body
(the clamp screw).

3. In the browser, expand the Sketches folder, then turn on the visibility of the projected
circle in the center of the part. To locate the sketch in the folder, move the cursor down
the list of sketches until it is displayed in the graphics window.

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4. On the Sketch panel, click Create Sketch.
5. Select the face as shown.

6. On the ViewCube, click Front.
7. On the Sketch panel, click Circle > Center Diameter Circle.

8. Click in the center of the circle, then create a 5 mm circle. 103 | P a g e

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9. In the graphics window, right-click, then click repeat Center Diameter Circle.
10. Create a 16 mm diameter circle as shown.

11. On the ViewCube, click Home.
12. In the graphics window, right-click, then click Press Pull.
13. Select the area between the two circles and the small area around the center of the hole.

You may have to zoom in to select the small profile.

14. Drag the profile outwards, then enter 6.
15. In the Extrude dialog box, from the Operation list, select New Body.

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16. Click OK.
17. On the ViewCube, click Home.

18. In the browser, review the Bodies folder. There should be a third body added to the list.
Step 2: Model the Upper Body
1. On the Sketch panel, click Create Sketch.

2. Select the front face as shown.

3. On the ViewCube, click Front. 105 | P a g e
4. On the Sketch panel, click Circle > Center Diameter Circle.

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5. Create 5 mm and 14 mm diameter circles as shown.

6. On the ViewCube, click Home.
7. In the graphics window, right-click, then click Press Pull.

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8. Select the area between the two circles, then drag outwards.

9. Enter 8, then click OK.
10. On the ViewCube, click Home.

Step 3: Add a Thread and Chamfer
1. On the Create panel, click Thread.
2. Select the inside face of the hole.
3. In the Thread dialog box, Full Length should be checked.

4. Click OK.

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5. On the Modify panel, click Chamfer.

6. Select the outside edge of the part, then enter 1.
7. Click OK.

Step 4: Add Serrated Surface
1. On the Sketch panel, click Create Sketch.
2. Select the front face as shown.

3. On the ViewCube, click Front. 109 | P a g e

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4. Zoom into the sketch.

5. On the Sketch panel, click Line.
6. Draw a line from the center of the sketch to the circle as shown. The line is 7 mm long.

7. In the graphics window, right-click, then click Repeat Line.
8. Draw a short diagonal line from the circle to the vertical line as shown.

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9. In the graphics window, right-click, then click Repeat Line.
10. Draw another short diagonal line from the circle to the endpoint of the previous line as

shown.

Note: Make sure the angle between the two short lines is not 90 degrees. In the image
shown above, there is no perpendicular symbol. If your sketch has a perpendicular
symbol, undo the line and redo.
11. On the Sketch panel, click Sketch Dimension.

12. Select one short line then the other, and add 75 degree angular dimension.

13. On the Sketch Palette, click Equal. 111 | P a g e
14. Select the two short lines.

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15. On the Sketch panel, click Sketch Dimension.
16. Add a 0.5 mm dimension between the top of the vertical line and the bottom the short

lines.

17. On the ViewCube, click Home to zoom into the sketch.

18. In the graphics window, right-click, then click Press Pull.
19. Select the two triangular profiles, then drag into the part.

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20. Enter -7.5, then click OK.

21. On the Create panel, click Pattern > Circular Pattern.
22. Select the extruded feature.

23. In the Circular Pattern dialog, click Axis > Select.
24. Select the outside face of the part.

25. For Quantity, enter 40, then click OK. 114 | P a g e

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26. On the ViewCube, click Home.

27. In the browser, turn off the visibility of the sketch.
28. Save the file.
Step 5: Add a Fillet and Chamfer
1. On the Modify panel, click Fillet.

2. Select the edge as shown.

3. For radius, enter 1, then click OK.

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4. On the Modify panel, click Chamfer.

5. Select the back edge of the part.

6. For Distance, enter 0.5, then click OK.
7. In the browser, turn on the visibility of the second body (the clamp screw).
8. On the ViewCube, click Home.

18. Save the file. For Version Description, enter Clamp nut added. 116 | P a g e

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Exercise: Model the Clamp Pin
In this exercise, you model the pin that threads onto the clamp
screw. The pin is threaded onto the screw and can be adjusted to
provide the correct clamping pressure on the steering column.
Objectives:

• Create the body
• Add a chamfer
• Add a threaded hole
Step 1: Create the Body
In this example, the appearance of the bodies was changed to custom colors. Your clamp
model may appear differently.
1. The Steering Clamp file should be open.

2. On the Construct panel, click Midplane.

3. Select the top face of the clamp, then rotate the model and select the bottom face of the
clamp.

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4. On the ViewCube, click Home.

5. On the Sketch panel, click Create Sketch.
6. Select the construction plane.
7. On the ViewCube, click Top, then zoom into the right end of the clamp screw.

8. On the Sketch panel, click Circle > Center Diameter Circle.

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9. Create an 8 mm diameter circle as shown.

10. On the Sketch panel, click Sketch Dimension.
11. Add a 13 mm dimension between the inside edge of the clamp and the center of the

circle.

12. On the Sketch palette, click Horizontal/Vertical.
13. Select the center of the circle and the midpoint of the vertical edge as shown.

14. View the model as shown.

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15. In the graphics window, right-click, then click Press Pull.
16. Select the circle.
17. In the Extrude dialog box:

• From the Direction list, select Symmetric.
• For Distance, enter 8.
• From the Operation list, select New Body.

18. Click OK. 122 | P a g e

Step 2: Add a Chamfer
1. On the Modify panel, click Chamfer.

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2. Select the top and bottom edges of the pin. 123 | P a g e

3. Enter 1, then click OK.

Step 3: Add a Hole
1. View the model as shown.

2. On the Construct panel, click Offset Plane.

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3. Select the inside face of the clamp, then drag it to the right.

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4. Enter -25, then click OK.

5. In the browser, turn off the visibility of the second body (the clamp screw).
6. View the model as shown.

7. On the Sketch panel, click Create Sketch.
8. Select the construction plane.
9. On the Sketch panel, click Project / Include > Project.

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10. Select the inside face or edge of the hole in the clamp.

11. Click OK.
12. On the Create panel, click Hole.

13. Select the center of the projected circle.
14. In the Hole dialog box:

a. Click Flip Direction.
b. For Diameter, enter 5 mm.

15. On the ViewCube, click Top. 126 | P a g e

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16. Drag the hole so that it is completely through the pin but not into the clamp.

17. Click OK.
18. On the ViewCube, click Home, then click the top right corner to view the model as

shown.

19. On the Create panel, click Thread.
20. Select the inside face of the hole, then click OK.

21. In the browser, turn on the visibility of the second body.

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22. On the ViewCube, click Home.

Step 4: Save the File
1. Click Save.
2. For Version Description, enter Clamp pin added.

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Exercise: Model the Clamp Lever

In this exercise, you model the lever that operates the steering
clamp assembly. It is assembled over the clamp pin and rotates
about the pin. The design is an over-center mechanism that
allows the user to quickly release the clamp assembly from the
kick scooter.

Objectives:

• Create the sketch
• Create the body
• Add fillets
• Create a grip surface
• Add fillets
• Add a cutout

Step 1: Create the Sketch

In this example, the appearance of the bodies was changed to custom colors. Your clamp
model may appear differently.

1. The Steering Clamp file should be open.

2. In the browser, expand the Construction folder.
3. Turn on the visibility of the second plane you created. It is the Midplane as shown.

4. On the Sketch panel, click Create Sketch. 130 | P a g e

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5. Select the construction plane.
6. In the browser, turn off the visibility of the construction plane.
7. On the ViewCube, click Top, then zoom into the model as shown.

8. On the Sketch panel, click Project / Include > Project.

9. Select the outside edge of the pin.

10. Click OK. Note that the Project dialog box may be hidden behind the Sketch Palette.
11. On the Sketch panel, click Circle > Center Diameter Circle.

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12. Create an 8.1 mm diameter circle centered on the projected circle as shown.

13. On the Sketch panel, click Point.
14. Click to place a point below the center point as shown.

15. On the Sketch panel, click Sketch Dimension. 132 | P a g e

16. Add a 1 mm dimension as shown.

17. On the Sketch Palette, click Horizontal/Vertical.

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18. Select the center of the circle and the point. The vertical constraint symbol is displayed.

19. On the Sketch panel, click Circle > Center Diameter Circle.

20. Create a circle centered on the point and tangential to the clamp as shown. Note that the
midpoint of the arc is close to the tangency point. Make sure you select the tangency
option.

21. On the Sketch panel, click Line.

22. Draw a line from the top of the circle to the right, approximately 20 mm.

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23. In the graphics window, right-click, then click OK.

24. On the Sketch panel, click Project / Include > Project.
25. Select the inside edge of the clamp as shown.

26. On the Sketch panel, click Circle > Center Diameter Circle.
27. Create a circle centered on the projected circle and tangent to the circle as shown.

28. On the Sketch panel, click Point. 134 | P a g e

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29. Click below the center point.

30. On the Sketch panel, click Sketch Dimension.
31. Add a 6 mm dimension as shown.

32. On the Sketch Palette, click Horizontal/Vertical.
33. Select the center of the circle and the point. The vertical constraint symbol is displayed.

34. On the Sketch panel, click Arc > Center Point Arc. 135 | P a g e

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35. Click the point, then click at the top of the circle.

36. Drag the arc to the left, then enter 80 for the location of the end point.

37. In the graphics window, right-click, then click Repeat Center Point Arc.

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38. Click the point, then click close to the endpoint of the horizontal line.

39. Drag the arc to the left, then enter 80 for the location of the endpoint.

40. Zoom into the horizontal line. 138 | P a g e

41. On the Sketch Palette, click Fix/Unfix.

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42. Select the right-hand endpoint of the line.

43. On the Sketch Palette, click Tangent.
44. Select the line and the arc.

45. On the Sketch panel, click Extend. 139 | P a g e
46. Select the line. It is extended to the arc.
47. Zoom into the left end of the lever.

48. On the Sketch panel, click Line.

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49. Click on the endpoint of the inside arc, then drag the line downwards.
50. For Distance, enter 7. The angle value should be 80. Click to place the endpoint of the

line.

51. Drag the line to the left.
52. For Distance, enter 6. The line should be perpendicular to the previous line.

53. On the Sketch panel, click Arc > 3-Point Arc.

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54. Click the endpoint of the lines, then drag the arc to the right to form the arc as shown.

55. Zoom out to view the sketch.

56. On the Sketch panel, click Trim.
57. Select the sections of the sketch that are not required to extrude the lever.

58. On the ViewCube, click Home. 142 | P a g e

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59. Click Save.
60. For Version Description, enter Lever sketch created.
Step 2: Create the Body
1. In the graphics window, right-click, then click Press Pull.
2. On the ViewCube, click the top-right corner to view the model as shown.

3. Select the sketch.
4. In the Extrude dialog box:

• From the Direction list, click Symmetric.
• For Distance, enter 7.
• From the Operation list, select New Body.

5. Click OK. 143 | P a g e

6. Save the file.
Step 3: Add Fillets

1. On the ViewCube, click Home.

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2. In the browser, turn off the visibility of all bodies except the lever.
3. Zoom and pan to view the part as shown.

4. On the Modify panel, click Fillet. 144 | P a g e
5. Select the top and bottom edges as shown.

6. For radius, enter 2, then click OK.

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Step 4: Create a Grip Surface
1. On the Sketch panel, click Create Sketch.
2. Select the top face of the part as shown.

3. On the ViewCube, click Top, then zoom into the lower section of the part.

I
4. On the Sketch panel, click Circle > Center Diameter Circle.

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5. Create a 1 mm diameter circle centered on the edge of the part as shown.

6. In the graphics window, right-click, then click Press Pull.
7. Rotate the part, then select the two sections of the profile.

8. Drag the profile down and through the part.

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9. In the browser, from the Extents list, select All, then click OK.

10. On the Create panel, click Pattern > Pattern on Path.
11. Select the extrusion.

12. In the Pattern on Path dialog box, click Path > Select.
13. Select the edge next to the extrusion.

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14. Drag the arrow to the left.

15. In the Pattern on Path dialog box:
a. For Quantity, enter 4.
b. For Distance, enter 5.

16. Click OK. 149 | P a g e

17. Save the file.
Step 5: Add Fillets

1. On the Modify panel, click Fillet.

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2. Select the edges as shown. Note that there may be a short edge created by the
transition between the curved surfaces. Make sure you select all edges.

3. For radius, enter 0.25, then click OK.

Step 6: Add a Cutout

1. On the ViewCube, click Home.
2. In the browser, turn on the visibility of all the bodies.

3. In the browser, turn off the visibility of the clamp body.

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