blocking screw/prismatic joint

asked 2023-05-16 13:26:59 -0500

Hi all,

I am trying to implement a screw joint which results in vertical motion of another link. However, I want the link to move only when the screw joint is actuated i.e. I don't want the weight of the mechanism itself to be able to rotate the screw and thus result in vertical motion of the other link.

Essentially, what I am looking for is a blocking screw joint i.e. the screw can only move if it is directly actuated and not by the weight of the mechanism.

I have tried using friction limits but this doesn't seem to work.

Any suggestions ?

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