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Unable to create movable linkage

joseph_newcomerjoseph_newcomer Member Posts: 26
I have a model where I am connecting an arm from a servo to a linear slider.  I am using a representation of a solid wire that is used to make the connection.  I have a problem.

With nothing connected, the slider moves and the servo arm moves.

If I create a revolute mate between the wire and one of the moving components, everything works fine.  I can rotate the wire, and if I drag the wire, the connected part will move.  But if I connect both ends of the wire, the resulting model is unmovable.  I have tried connecting the wire to the slider, and it works fine; I have tried connecting the wire to the servo arm, and the wire can rotate and the servo arm can rotate.  But when I connect both ends, it becomes rigid.   What have I missed?

The share link to my (public) model is 

https://cad.onshape.com/documents/9c65dae5ba9f40e5873510e7/w/e616647a24c89275f9f2733d/e/6fb1fce46ba27f32b90fb3a0?renderMode=1&uiState=61d2cda03a7c3d6a862f13e3

and the component is Assembly1.  This is a device which mounts on an XY table and will push objects around on the table.

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