Updated in July 2022.
NX1899 has just been released and brings with it a change/update in the way Assembly Mass can be calculated.
Working support, I've been asked many times on how to show the mass for parts or assemblies on a drawing.
I've made videos about it but the solutions have never been great & involve a bit of mucking about with attributes to make it work.
Part of the change in NX1899 is the new roll-up attributes & expressions, which will populate with the Mass (amongst other things) for parts or assemblies.
See image below, you can turn on the attribute, but I think more importantly is the expression.
In your drawing template/s, you then create an expression called MassPropRollupMass and specify a generic value, making sure it's a number (I prefer unitless as the type of expression).
Then in your drawing titleblock, edit the appropriate cell and link to the expression MassPropRollupMass and save your drawing templates.
Now when you create a new drawing using that template (whether of an assembly or piece part) the value will update when the drawing is saved. If added as a note, you can renew drawing to up the note.
I've made a video that shows how this is done (video has been updated, using NX2206 (June 2022 release)) using a basic NX license, Advanced Assemblies is NOT required: https://vimeo.com/showcase/9788202/video/745245632
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