Hello all, 

I'm not particularly skilled in the simulation tool so I'd like to get some of your help to clear things up. 

First of all my problem isn't too complicated, we have a cylinder (pipe), and a collar we use for lifting the pipe made out of 2 separates shells. 

Those 2 shells are linkes by 4 bolts.

In case we are forced to lift the cylinder in a vertical position along his axis, the only way the