Hi all
Is it faster to make a design with PRT parts in an assembly or an assembly in a single PRT file.
My assembly should have about 50 sheet metal pieces.
I hope I'm clear enough...
Thank you for your opinion.
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It all depends; If it's 50 bodies that form a welded mechanical part then yes you can make a part in multi body.
If it's independent parts then I advise you to have 50 parts in an assembly, or even several sub-assemblies depending on your design.
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In any case, I don't recommend you to make a part with 50 folded sheets, beware of the hassle for flat out behind and drawings.
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Hello;
It is better, in my opinion, to make an 'SLDASM' assembly of several ' SLDPRT ' parts.
This will facilitate the possible modifications of one of your parts, you will be able to make drawings more easily (not to mention flat drawings if they are sheet metal parts) and make detailed bills of materials with the right quantities...
So YES to part assemblies and NO to parts imported into parts...
Kind regards.
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The design is currently done in multibody but when I make a modification the file lags and there are about 600 functions
600 functions 
That's really not advisable.
It is clearly better to make an assembly.
For your information, I make parts with more than 100 bodies, 60 of which are different, but I only have about thirty functions, it's already very greedy even when optimizing the functions.
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Thank you for your feedback, in short it is still more interesting to make a PRT ASM than a PRT alone in general, and when is it for design modifications? Is it easier in PRT or an ASM?
Well in fact ... It's almost put in the name of your files:
PRT for Part or Piece in French
ASM for Assembly or Assemblage in French
After that, there are always special cases where you get around it... But overall, it's still done to design a part and then relate it to other parts in an assembly.
A rule that is simple enough to guide you: if it disassembles and stands alone => PRT file. On the other hand, if you need to have another part to hold it => ASM file
(the mechanically welded part being an exception. And there the multi-body finds its full meaning: several bodies to make a single piece 
:)
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I would say that it depends if you work with well-known shapes then an ASM is better on the other hand if you do R&D then working on a part is easier.
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There is an intermediary: the asm with virtual coins. It avoids having to manage file names when you decline a concept.
On the other hand, sometimes, it's a bit unstable.
But if you have 600 functions in your model tree, it's clear that you have to switch to an asm. Even if it means creating links between the pieces during the design process (links that will have to be broken later).
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What do you mean by link?
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It is possible to link a part to another part (e.g. hole spacing) by editing a part in the context of the asm.
It is this kind of link that will have to be broken once the design is finished.
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ok that's what it seemed to me but why broke them at the end of your design?
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Because the bonds sometimes break.
You modify one piece, the links of the others explode and you end up with an exploded assembly!
Or something else you want to copy the project and modify it and you find yourself in the m...
I sometimes draw in context (name of the method)
But I break the link very quickly and re-coast in the sketches to be able to modify later.
Just like drawing everything in a room, it has too many drawbacks.
(cyclic constraints, very long loading time and problem to modify...)
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Thank you for your feedback
In sheet metal, the only case in which I add parts in a part file is to add nuts / welded studs.
It allows me to make them appear in room drawing so I don't forget them.
Once the STEP file has been generated and sent to the metalworker, in his typical machine he can " deactivate " the nut bodies so as not to be bothered and his guys in the workshop have the plan with the nuts on it so as not to forget them, it has proven itself many times.
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