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ME-430 Introduction to Computer Aided Design TRAY - Pro/ENGINEER Wildfire 4.0

Dr. Herli Surjanhata

Pick the Create a new object icon

.

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Type in Tray for the name of the new part. Un-check Use default template.

The default units of Pro/E is inlbs_part_solid. The units of the bracket are mm, so select mmns_part_solid. Click OK since the part will have millimeters units. Click OK in the New dialog box. The default datum planes appear in the graphics area.

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Create a Base Feature

Create the base feature Pick the

Extrude Tool icon .

In the dashboard, click the option.

Click on Define.

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Pick TOP datum plane as Sketch Plane. For Sketch Orientation Reference, accept default RIGHT datum plane. Then click the Sketch button

.

Click the small downward icon to expand, and pick

. Draw horizontal and vertical centerlines through coordinate system. These centerlines are used to ensure symmetry of the section.

Click , and draw the rectangle as shown. Note that the rectangle should be symmetrical to both centerlines.

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Click to dimension the rectangle.

Click to modify the dimension as shown.

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Click . Type in 12 for the depth of extrusion.

Click .

Click and select Standard Orientation.

Create Draft in Three Faces of The Base Feature

The Draft feature adds a draft angle between -30 and +30 to individual surfaces or to a series of surfaces. You can draft only the surfaces that are formed by tabulated cylinders or planes. You cannot draft surfaces with fillets around the edge boundary. However, you can draft the surfaces first, then fillet the edges.

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Pick the Draft Tool icon .

Pick FRONT, RIGHT-SIDE, and REAR surfaces as shown. Expand the References

option by clicking .

Pick the box area under Draft hinges, and select TOP datum plane. Enter 5 as draft angle.

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Be sure the resulted draft larger on the top surface of the base feature see figure below.

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Click on to complete draft creation.

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Create Both Sides Cut

Pick the Extrude Tool icon .

Click the Remove

Material icon . Select the Extrude on

both sides icon .

Click Options tab, Select Through All for Side 1 and Side 2.

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Click .

Click on to define sketch section for cut.

Pick FRONT as sketching plane, accept default and click Sketch button.

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From Sketch pull-down menu, select References

Pick all edges as additional reference see figure below.

Click Close.

Pick to sketch the section as shown in the figure below, use to

dimension the sketch. Pick to modify the dimensions.

Pick it as reference.

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Click . Then Click .

Adding the Rounds

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Click the Round Tool icon . Enter 6 for the radius of the round.

Pick the two edges as shown. Be sure to press Ctrl key when picking the second edges.

Click .

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Click the Round Tool icon . Enter 4 for the radius of the round.

Pick the two vertical edges as shown.

Click .

Click the Round Tool icon

. Enter 3 for the radius of the round.

Pick the two vertical edges as shown.

Click .

The resulted part is shown below:

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Shell the Part

Click . Enter the shell thickness of 1.75 mm.

Pick the top and left surfaces as shown.

Click .

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Create a Clip Protrusion

Click Select both sides

protrusion and enter the depth of 3 mm see figure on the left. Click Placement -> Define.

Click Sketch.

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From Sketch pull-down menu, select References

Click , and pick additional references as shown. Close.

Sketch and dimension the following section.

Pick these edges

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Click . Then Click .

Round the Clip

Create the rounds with the following information.

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Create another round as shown.

Create a Bottom Cut

Click . Enter the depth of cut of 0.40 mm.

Click to remove material. Click Placement -> Define.

Pick the bottom surface as sketching plane, accept default, and click Sketch.

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From Sketch pull-down menu, select References. Pick the appropriate additional reference, and Close the Reference dialog box. Sketch the following section.

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Click . Then Click

.

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Create a Tab Protrusion

Click . Enter the depth of cut of 0.70 mm. Click Placement -> Define.

Make sure that RIGHT datum plane is selected as Reference, and Right Orientation. Click Sketch.

Pick this top surface as sketching plane.

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From Sketch pull-down menu, select References

Pick additional references as shown and Close:

Sketch and dimension the section as shown below:

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Click .

Be sure the extrusion direction is correct as shown in the figure.

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Then Click .

Mirror the Tab

Select the tab (Extrude 5) feature from the Model Tree. Pro/ENGINEER highlights all of the part geometry in the graphics window. From Edit pull down menu, select the

Mirror Tool .

Pick the FRONT datum plane as Mirror plane.

Click .

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Create a Sweep

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Insert -> Sweep -> Protrusion.

Select Traj.

Tangnt Chain Pick the outer top edge of the model. Done

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Accept.

Okay.

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Change the display to hidden line display by selecting

. Zoom in to top area of the part.

Sketch and dimension the following section. Be sure the line on the left is aligned with the inclined hidden edge. Also top and bottom horizontal lines of the section are in the same length see figure below. You might need to add references!

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Click , and then pick to complete the sweep.

ASSIGNMENT

Submit several shaded views (at least TWO views) showing TOP and BOTTOM of the tray with your report. Be sure to turn the background to WHITE and turn-off ALL datum features including the spin center.