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Assembly Cut and the Damage Done

SOLVED
Aquamarine

Assembly Cut and the Damage Done

Hi all!

 

Please see attached.

 

Read notes in PDF.

 

Anyone ever deal with this?

 

This is not isolated to just this case. It can be duplicated from scratch.

 

Thanks,

 

Wayne

1 ACCEPTED SOLUTION

Accepted Solutions

Re: Assembly Cut and the Damage Done

Hi,

I attached video showing appropriate steps ...

Attention!!! Part mass properties are fixed for ever, any geometry modification does not cause a change in weight.

 


Martin Hanák
21 REPLIES 21

Re: Assembly Cut and the Damage Done

Don't add any columns to your family table that will change based on the effects of the assembly level cut (like calculated mass.)

Re: Assembly Cut and the Damage Done

Realize that assembly cuts create "hidden" family tables out of the affected components which means for the purposes of the repeat region these are unique models with different masses.

Re: Assembly Cut and the Damage Done

Overall, if you mean for that cut to exist in the actual part rather than only in the context of the assembly, then I would avoid using an assembly cut. Assembly cuts only affect the particular component placement that it directly cuts. You can use the options in the cut to have it affect that actual part and then in your example they both would have the hole but in general that's where I'd try to avoid the assembly cut to begin with.

Re: Assembly Cut and the Damage Done

This is in fact a solution. However, our standards call for the use of these at the moment. Thanks.

One thought I had was to somehow make the one part weight = to the others via a relation. I am not sure how to write that?

Re: Assembly Cut and the Damage Done

Yeah. I was actually helping someone out with this. I have never had this situation. This is news to me. Thanks.

Re: Assembly Cut and the Damage Done

I am helping someone out with this. For whatever reason, they have the need to machine in the finished assembly. I do agree assembly features in general come with issues. Thanks.

Re: Assembly Cut and the Damage Done


@wfalco wrote:

Hi all!

 

Please see attached.

 

Read notes in PDF.

 

Anyone ever deal with this?

 

This is not isolated to just this case. It can be duplicated from scratch.

 

Thanks,

 

Wayne


Hi,

in part properties you can change the method how its weight (and other properties) is obtained. By default weight is calculated by Creo (in this case your two components have different weight). You can set part mass properties to fully assigned, this means that you assign fixed value to mass parameter (in this case both components have the same weight and in repeat region they "fall" into the same row).


Martin Hanák

Re: Assembly Cut and the Damage Done

Sounds interesting. I am not sure how to do this. I can send you my little sample drawing if that helps?

Re: Assembly Cut and the Damage Done

No problem, send it.


Martin Hanák