.iam to .dwg incorrect material assignment

[james.collinsPWQR2]

Hi All,

I have exported an .iam file to .dwg and plan to use the solids Material property in ACAD to assign layers.

The problem I have run into however, is that sometimes the material is assigned incorrectly. For instance the material on all of the stiffeners should be "3DF-STIFFENER", but this one randomly was assigned to "polycarbonate - Clear". From a 200 part assembly, about 5% of the solids have had their Material incorrectly assigned.

Has anyone had this happen when exporting from iam to dwg, and if so is there a fix?

Thanks,

James

[johnsonshiue]

Hi James,

I vaguely remember seeing a corruption case like this before. But I honestly do not remember the exact detail and how it was resolved. If possible, please share the files that exhibit the behavior. I would like to understand the material style assignment issue better.

Many thanks!

[james.collinsPWQR2]

Hi Johnson,

Thanks for the quick reply, I just sent you the files via email.

Thanks,

James

[johnsonshiue]

Hi! James did send the files! Without disclosing the detail, I can comment as such. It seems that there are corrupted appearance styles and material styles leading to such erratic export behavior. Maybe the unused styles need to be purged (Manage -> Styles Editor -> Purge -> check "Purge subcomponent styles").

Many thanks!

[james.collinsPWQR2]

Morning Johnson,

I wouldn't be surprised if an appearance style was corrupt as I was running an iLogic rule that assigns appearances from the favourites list.

Unfortunately the workaround didn't seem to help on my machine, did it work on yours?

Thanks,

James

[johnsonshiue]

Hi James,

Please send me an email showing which exact frame member still carries the wrong material style in the dwg file exported from Inventor.

Many thanks!

[james.collinsPWQR2]

For anyone interested we weren't able to find the root issue, but I will update this space if anything changes.