Creating Extrusions Using the Sketches
1. In the Model Tree, select Sketch 1.
2. On the
Model tab, click
Extrude from the
Shapes group. The
Extrude tab opens.
3. Click
Options and select
To Next from the
Side 1 and
Side 2 drop-down lists.
4. Click
.
5. In the Model Tree, right-click Sketch 1, and click
Unhide.
6. Ensure that Sketch 1 is not selected in the Model Tree. On the
Model tab, click
Extrude from the
Shapes group. The
Extrude tab opens.
7. Right-click in the graphics window and click Define Internal Sketch. The Sketch dialog box opens.
8. Click Use Previous. The Sketch tab opens.
9. On the in-graphics toolbar, click
Display Style, and then click
Wireframe.
10. On the in-graphics toolbar, click
Datum Display Filters, and clear the
(Select All) check box to clear all datum display check boxes.
11. On the in-graphics toolbar, click
Sketch View.
12. On the
Sketch tab, click
Offset from the
Sketching group. The
Type menu opens.
13. Click Loop and select the curve highlighted in the following figure.
14. If the arrow points in the direction as shown in the following figure, type 2.7 in the Enter offset in the direction of the arrow box. If the arrow points in the opposite direction than shown in the figure, enter –2.7.
15. Press ENTER. Four orange sketched entities are created.
16. In the Type menu, click Close.
17. Click the right vertical line of the offset shape, right-click, and click Delete.
18. Click
Project from the
Sketching group. The
Type menu opens.
19. Select the outer vertical edge. A new orange sketched entity is created on the selected edge as shown in the following figure.
20. In the Type menu, click Close.
21. Click
Corner from the
Editing group.
a. Click the top angled orange entity and the right vertical line. The angled and vertical sketched entities are joined.
b. Select the bottom angled orange entity and the right vertical line to create a closed box as shown in the following figure.
22. Click
Centerline from the
Sketching group.
a. Click anywhere on the vertical dashed line.
b. Move the pointer. The centerline is attached to the pointer.
c. Click the vertical dashed line again to define the centerline placement.
23. Click
Select from the
Operations group.
24. Hold down left-mouse button and drag a box around the sketched orange lines.
25. Click
Mirror from the
Editing group, and click the vertical centerline.
26. Right-click in the graphics window and choose
Save the sketch and exit.
27. Right-click in the graphics window and choose Remove Material.
28. In the Extrude tab, do the following:
a. Click the arrow next to
and select
from the list.
b. Set the value to
160 and click
.
29. On the in-graphics toolbar, click
Display Style, and then click
Shading With Edges.
30. On the in-graphics toolbar, click
Saved Orientations, and then click
Default Orientation.
31. On the
Model tab, click
Sketch from the
Datum group. The
Sketch dialog box opens.
32. In the Sketch dialog box, do the following:
a. Select the datum plane RIGHT.
b. Click the Reference box and select the inside bottom surface of the piston as shown in following figure.
c. Select Top from the Orientation list and click Sketch.
33. Right-click in the graphics window and click References. The References dialog box opens.
34. Select the datum plane PIN_PLN. The datum plane name appears in the box.
35. Click Close to close the References dialog box.
36. On the in-graphics toolbar, click
Sketch View.
37. Click
Centerline from the
Sketching group.
a. Click anywhere on the vertical dashed line to define the start of the centerline.
b. Move the pointer and click the vertical dashed line again to finish defining the vertical centerline placement.
38. Click
Rectangle from the
Sketching group.
a. Click anywhere on the bottom horizontal dashed line to define the start point of the rectangle.
b. Drag the pointer up to the second horizontal line.
c. Continue to drag the pointer to the other side of the vertical centerline.
d. Click again when the rectangle snaps to indicate vertical symmetry. Two arrows appear to signify symmetry.
39. Middle-click to exit the draw rectangle tool.
40. Double-click to edit the width dimension value to 28 and press ENTER.
41. Click
Center and Point from the
Sketching group.
a. Click the intersection of the vertical centerline and upper horizontal dashed line to start the circle.
b. Drag the pointer and click again when the circle snaps to the upper vertical sketched vertices of the rectangle.
42. Click
Delete Segment from the
Editing group.
43. Press CTRL and click lines 1, 2, 3, and, 4 as shown in the following figure.
44. Middle-click to exit the delete segment tool.
45. Right-click in the graphics window and click
Save the sketch and exit.
46. Select Sketch 2 in the Model Tree or in the graphics window.
47. On the
Model tab, click
Extrude from the
Shapes group. The
Extrude tab opens.
48. Click
Options and select
To Next from the
Side 1 and
Side 2 drop-down list.
49. Click
.
50. In the Model Tree, select Sketch 2, and click
Extrude. The
Extrude tab opens.
Remove Material is automatically selected.
51. On the
Extrude tab, click the arrow next to
, and click
.
52. Edit the value to 28.7 and press ENTER.
53. Click
.
