Perpendicular stress

Hello

In my assemblies, when I have a perpendicularity constraint, it can happen that if I open the assembly again, the perpendicularity constraint is not in the right direction (example of a gate)

How do you avoid this ?

Hello 

When creating the constraint you create with edges or faces? 

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Hello

This problem happens frequently. There is no miracle solution to my knowledge. To overcome this problem, you may need to try using the angle constraint function by adding a reference entity.

In any case, if someone has a method that works 100%... I'm a taker.

Kind regards.

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I use two sides

 

Hello

As I do a lot of kinematics or assembly with a lot of parts, I've noticed for several years that I have less of a problem if I do an edge constraint ==> edge, rather than face==> face

By the way, when working on edges or points (when they are not angular constraints) I have much less problem, for example with the flexible part function or when assembling with repetitions of subassemblies.

Kind regards

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I completely agree with zozo_mp, which is why I asked the question. Bcp less problem with the edges.

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For my part, if it's for a visual in the MEP (open trunk in my case) I stopped using an angle or perpendicular constraint, but I now do an angular repetition of my hood for example and  I hide the original (don't forget to create a new "open position" configuration)

Since then, there have been far fewer problems with hazardous inversions.

 @FUZ3D

Your technique seems interesting to me, but difficult to implement in DriveWorks (which I use)

The reference entity is magic to avoid problems with the angle constraint.

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