Having a Pin Connection go back to start?

[Pieface]

I have a gear assembled as a Pin Constraint.  When the gear gets rotated it stops at an arbitrary rotational orientation.  When I assembled it using the Pin Constraint I attempted to Rotate it 90 degrees to align with the receiving hole in the shaft.  I could not get it to rotate.  Can someone tell me how I get it to set back to the original orientation?  If it is rotated the drawing will be wrong (see below).

  

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[Pieface]

I think I found the answer under the "Rotation Axis" option.

 

[TomD.inPDX]

You probably do not need a pin connection.  You can align the two axes and keep them together.

Pin connections are typically required for hinge type connections where you can have dynamic movement.

Two comments:

• Use snapshots to keep from loosing your valid constraint set
• You can apply multiple connections to eliminate further degrees of freedom as long as they don't create a fault.