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Cam over a roller

The best way to create the cam mechanism is to apply a cam-follower joint directly. The biggest advantage is that if the surface geometry changes, the cam-follower joint will update automatically. You will also be able to simulate lift-off scenarios if the inertial loads are large enough to cause separation. In addition, friction can be included. Simply choose to create a new cam-follower joint and select the surface of the roller (follower) and the surface of the cam shape (your red part). Each surface must be extruded parallel to each other Refer to on-line help for details.

Slot joints will work, but will over-constrain your mechanism if inertial loading is significant. Slot joints also will not allow you to investigate cam-follower performance charateristics either.
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Hope this helps,

Chris
 

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