Assembly4: How to access LCS (or other datum objects) of bodys in part

[euphi77]

I try to assemble some Part Design Objects together with imported Step Files.

On Part Design Object is a Part with the Body and objects from the fastener workbench. (Heatsets, so I think it is good practice to add them to the Part itself before using it in assembly4 WB). So Structure: (see also screenshot)

- Part1
-- Body
--- some datum objects *1)
-- 4x Fastener
-- other datum objects *2)
- Body2
-- datum objects *2)
- Step-Part1
[...]

Model structure with the two datum objects selected

Screenshot_20220228_225058.png (514.07 KiB) Viewed 756 times

When assembling, I only can find the datum objects directly in top-level hierarchy (marked with *2) ).

So, how do I access the datum objects of the Body that belongs to Part1?
I also tried to move these datum objects to the part, but this breaks the body.

Strange thing is that I already managed to have some datum objects on Part1 level - but I don't remember how I did this.

Dialog when adding the step (with the datum objects inside a part of a part) and the "Attach to" object with the necessary datum object in a body of a part)

Screenshot_20220228_231000.png (60.33 KiB) Viewed 743 times

[Zolko]

I try to assemble some Part Design Objects together with imported Step Files.

Yes, this is foreseen : open the Part document, sélect the datum that you want, and click "import datum". This will create à New datum in the top-level part, at the same location. This datum can then be re-used. It is also parametric, It will follow changes