Getting Started Tutorials - MechDesigner > Tutorial 6: Cams: Flat, Barrel, Globoidal, 'Slot' > 6A1: Cam-Shaft & Follower-Roller

Before we can do Add 2D-Cam, we must add a Follower-Roller to one of the two Parts in the Transforming-Mechanism.

We do not have a command: Add Follower-Roller.

You must add a Circle as a sketch-loop to a Part. Then, add a Profile to the sketch-loop.

The Profile is Follower-Roller.

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STEP 1: Open the Part-Editor to edit the longer Part in the dyad

1.Double-click the Part-Outline

1.Click the Part-Outline

2.Click Edit Part in Part-Editor to the left of the graphics-area.

The Part is now open in the Part-Editor.

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STEP 2: Add the Follower-Roller

In the Part-Editor:

1.Click Geometry toolbar > Add Circle ; Drag in the graphics-area from the center-Point to the circle's Radius

2.Click Geometry toolbar > Add Dimension ; Click the Circle - to define its Radius (R25)

3.Click Geometry toolbar > Add Dimension ; Click the center-Point and the X-axis (40), and click the center-Point and the Y-axis (140)

The Circle changes color to indicate the geometry is fully defined.

4.Exit the Part-Editor: You can double-click the Circle or the Y-axis to exit the Part-Editor.

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STEP 3: Add a Profile to the Follower-Roller

A Follower-Roller must be a Profile.

1.Move the MMA to 0 with the Home key on your keyboard.

2.Click Solids toolbar > Add Profile

3.Click the Circle in the graphics-area.

4.Click in the Command-Manager

A Profile/Extrusion is now coincident with the circle.

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STEP 4: Open the Profile / Extrusion dialog to edit Extrusion-Depth

1.SHIFT+CLICK the Pink Profile/Extrusion

The Profile and the Extrusion elements show in the Selection-Window.

2.Selection-Window: Right-click the Extrusion

3.Selection-Window: Click Edit element in the contextual menu

The Extrusion dialog is now open.

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STEP 5: Edit Extrusion-Depth parameter

1.Extrusion dialog: Depth and Offset > Extrusion Depth =20

2.Click to the close the Extrusion dialog

Save you model : Ctrl+S

Step 6A1.4: Add a Follower-Roller