Simscape help -- make a beam tangent to eccentric axis

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rakenishu
hello everyone,

I'm trying to model a system in simscape using the simMechanics blocks.
The system I am trying to model is: a ball bearing connected eccentrically to a motor axis. On that ball bearing lays a beam. The edge of the beam is connected to an axis. so, the system looks like this:
upload_2017-8-4_23-5-26.png


I managed to model all the elements, but I don't know how to keep the beam tangent to the ball bearing.
motor = blue, motor axis = cyan and purple
upload_2017-8-4_23-8-24.png
upload_2017-8-4_23-10-4.png
upload_2017-8-4_23-10-45.png

Right now the beam (orange) just pass through the ball bearing (green)

any idea how to do it?
 
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Essentially you have a cam-follower problem. Would it not be more useful to analyze the problem and then use whatever software is more most appropriate for the solution?