One of the more difficult challenges in large assembly modeling is keeping track of which constraints are doing what. This typically results in failed or conflicting constraints. Inventor 2011 has a new constraint failure analysis tool that can help you figure out the correct solution. Just follow the steps below or watch a video of the tool in action HERE.
1. Notice the failed mate constraint in the model browser.
2. Right click the failed constraint and pick “Diagnose”.
3. Use the tool to break constraints and check the results.