Creo Parametric 7.0 - Multibody Modeling and Drawings
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- Опубликовано: 20 авг 2024
- This Creo Parametric 7.0 tutorial shows the enhancements in Drawing mode to support Multibody Modeling, including:
* Different cross hatching for bodies
* RMB Show / Hide in Model
* New Quick Tables for Bodies
* New Repeat Region Report Parameters to support Bodies
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Thanks,
Dave
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Hi sir
I am giridharan
From india
I need GD&T Drawing detailing tutorial and Datum Placement
Thanks 😊
Hi Dave,
Can you edit in the rest of the video title? Thanks!
Oops! Thanks for letting me know, David. That's what happens when I do steps out of order.
Thanks Dave! So suppose you wanted to make a fully-dimensioned detailed view of BRACKET-1, is there an easy way to set a body as an “active model”, so that when a new view is created it is only of that active body? Or is the only way to control the visibility of bodies through the use of layers, simplified reps, or the Component Display button?
Please see towards the end of this video: ruclips.net/video/Tb5JlnWCCzA/видео.html I would extract Bracket-1 to its own part then do a drawing of that.
@@CADPLMGuy Hi, thanks for the great video. However, when you extract Bracket-1 and create a drawing for it, there is no way to import dimensions. At that point, all dimensions of the part must be manually added which is not ideal. Is there a way to bring in dimensions from the original multibody part?
Thanks for the demonstration Dave. What is your opinion on how to utilize multibody effectively with Windchill? I agree with your comment below on how it makes a lot of sense with multi-shot parts. But how does Windchill treat each body in a part? In a insert molding scenario for example where the insert nut is an off the shelf part, would you say it is still more appropriate to use an assembly still? Just curious about what your thoughts are.
I’ve got some posts on this on my Patreon. Martin N. explained back in January at the PTC/USER event that they haven’t figured out the PEM nut use case yet because they haven’t figured out how to handle BOMs and Product Structures in Windchill.
Hi sir
I don't get the point of multibodies. Why not just model it like normal with parts and an assembly?
You are free to go that route if you want. Multibody is an alternative for those who don't want to use Skeletons and Data Sharing features. In a simple model with fewer interdependencies, Multibody can be more efficient. And there are definitely use cases where Multibody makes more sense. When I was at Amazon, we could have used it for multi-shot multi-material injection molded parts, like those with overmold. If you take a look at cases for tablets or readers, Multibody would be much easier or sensible than assemblies.
Every time using assembly is boring
So for fast forward concept it's nice to have multibody it make rendering work easy to using material for specific part
Multibody can be faster for concept design. Sometimes you're working on a part and then realize, aw crap, this should have been a Skeleton, and Multibody can eliminate that. Also I've been in real world situations where we wanted to model top level Skeletons with solid geometry but then got into problems when features intersected and the solids automatically get merged. But it's not like you have to choose Multibody or Skeletons. They're not mutually exclusive. And Skeletons support Multibody. It's another tool that people have in their toolbox and they can choose to use it or not.
Hi Brian,
I will make it even simple. Multi body part design is for those parts which can't be manufacture as single part due to some manufacturing constrain. we split such part into multiple pieces for easy manufacturing. Mainly a Splitted part where any body doesn't need to be saved as separate part after splitting, is the multi body part. For example, Let's assume i am manufacturing a big size of o-ring. If i can manufacture it as single part in my workshop, it's good. if not, i will break it into 3 pieces for easy manufacturing. In the drawing one view, i will show it as single part and another view i will show as in 3 pieces for manufacturing. later on, i can join it by another process. If after splitting the part as multi body, you need to save it as separate part, It's better to go with top-down assembly approach.
Any kind of clam shell model/ model that you want to take and split up is more effectively created using multibody modelling. I.e. instead of making a change to multiple parts, you can make the change to multiple bodies at once.
Hi Dave, i got couple of questions after watching this video.
1. Can i insert balloons using the table shown in this video?
2. How can i insert all the bodies separately in the drawing without saving the bodies as separate part?
Thanks.
It appears that BOM balloons are not yet supported for Multibody. That sounds like a great suggestion for an enhancement.
Thanks for your quick reply Dave.
Can you tell me something about the 2nd question?
I use Creo and Solidworks both together. I can insert separate bodies directly into my drawing without saving them as the separate part in Solidworks. This is the actual reason to use multi body part. Otherwise top down assembly approach is better. Thanks.
I don't believe that is supported yet. I suggest you submit that to Martin on PTC Community so he can consider it for a future enhancement.
Actually, there are many reasons to use Multibody, not just for drawings. Martin identified 13 different use cases that defined the specifications for the current functionality. More use cases are being implemented.
And as I've said in other comments, Multibody and TDD are not mutually exclusive. As with everything they have their pros and cons, and in different situations either could be a better choice than the other. I'll be addressing this in the second edition of "Top Down Design in Creo Parametric."