Simscape help -- make a beam tangent to eccentric axis

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SUMMARY

The discussion focuses on modeling a system in Simscape using SimMechanics blocks, specifically addressing the challenge of keeping a beam tangent to an eccentric ball bearing connected to a motor axis. The user has successfully modeled the components but struggles with the beam intersecting the ball bearing. The conversation suggests that this scenario resembles a cam-follower problem, implying that a more suitable analysis tool may be required for effective resolution.

PREREQUISITES
  • Familiarity with Simscape and SimMechanics blocks
  • Understanding of cam-follower mechanisms
  • Basic knowledge of mechanical system modeling
  • Experience with MATLAB and Simulink environments
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  • Research how to implement cam-follower dynamics in Simscape
  • Explore advanced constraints in SimMechanics for maintaining tangential relationships
  • Learn about alternative modeling tools that may better suit cam-follower problems
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USEFUL FOR

Mechanical engineers, simulation specialists, and anyone involved in modeling dynamic systems using Simscape and SimMechanics.

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?
 
Engineering news on Phys.org
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?
 

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