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Bolted Connection - Failing to stay constrained

14 REPLIES 14
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Message 1 of 15
schwebby
1305 Views, 14 Replies

Bolted Connection - Failing to stay constrained

I've been having an issue with my bolted connection - when I check to follow pattern or if I pick multiple holes the bolted connection doesn't stay locked down by constraints - it still wants to rotate about the first picked hole axis. When I have used bolted connection in the past it would always remain completely constrained. Would anyone happen to know why this is? Thanks
14 REPLIES 14
Message 2 of 15
Anonymous
in reply to: schwebby

Version and SP's

--
IV2010-Pro-sp2
Vista Business 64bit Sp2
Core i7 950 @ 3.07Ghz
12Gb DDR3-1600, 240Gb (4 x 60 Gb SSD - RAID0)
Quadro FX3800 - 191.78
SpacePilot 3.8.3 / 6.8.1
AVG9.0
"schwebby" wrote in message news:6316345@discussion.autodesk.com...
I've been having an issue with my bolted connection - when I check to follow
pattern or if I pick multiple holes the bolted connection doesn't stay
locked down by constraints - it still wants to rotate about the first picked
hole axis. When I have used bolted connection in the past it would always
remain completely constrained. Would anyone happen to know why this is?
Thanks
Message 3 of 15
schwebby
in reply to: schwebby

Sorry - Inventor 2010 SP 1
Message 4 of 15
Anonymous
in reply to: schwebby

Hello

unfortunatelly , as far as I know it is as designed. Workaround for that is
to add a new own constrain on a one bold in the pattern to constrain ti with
a part. Then it works well. And also you have to check if something changes
with pattern that BC is on right possition.

regards


"schwebby" píše v diskusním příspěvku
news:6316345@discussion.autodesk.com...
I've been having an issue with my bolted connection - when I check to follow
pattern or if I pick multiple holes the bolted connection doesn't stay
locked down by constraints - it still wants to rotate about the first picked
hole axis. When I have used bolted connection in the past it would always
remain completely constrained. Would anyone happen to know why this is?
Thanks

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Message 5 of 15
schwebby
in reply to: schwebby

I find this hard to believe - it has worked in the past where the bolted connection is locked down - I have been noticing this issue for the past 3 weeks - thought it was maybe something with old projects i'm working in?
Message 6 of 15
schwebby
in reply to: schwebby

well - after trying a new project and assembly the bolted connection still rotates about the selected hole axis. I'm thinking it might be the way Inventor 2010 does the bolted connection - I'll have to try it again in Inventor 2009 and see if the bolted connection stays constrained.
Message 7 of 15
jeanchile
in reply to: schwebby

I too am having this issue, and I am unable to add an additional constraint without getting the "overconstrained" prompt. I'll spare the long stories but it seems the easiest thing for me to do is recreate this bolted connection each time after altering the model. Is there any news or information about why this would do this or what I could do differently?

IV2010 SP1
Vista Ultimate SP2 Edited by: jeanchile on Feb 1, 2010 6:01 AM
Inventor Professional
Message 8 of 15
robin.werneskog
in reply to: jeanchile

Hi,

 

I've got the same problem with Inventor 2013 SP2. When using the "Follow pattern" all the bolts created using the same "Bolted Connection" can rotate around the axis of the first bolt.

Message 9 of 15

I am having this problem as well with 2015 Professional. We upgraded from 2012 and it worked just fine there. I have even noticed if I open legacy assemblies that have not been migrated that the constraints are broken on those as well. I really hate to think the solution is to just start adding extra constraints that we previously have not needed.
Scott Miller

Inventor Professional 2019 x64
Intel i7-5820K(3.3 ghz)
32GB ram
Quadro K4200 4GB
Message 10 of 15
harsha
in reply to: ScottMiller8387

I'm using the 2018 version and still facing the same problem.

 

Sometimes, the bolted connection is moved accidentally and when the manufacturing drawing is made, the hole ends up in the wrong location. Very expensive mistakes! 

 

Autodesk! please suggest a solution! 

Message 11 of 15
ScottMiller8387
in reply to: harsha

I have seen this as well. Hopefully this will get fixed as randomly as it seemed to get broken.
Scott Miller

Inventor Professional 2019 x64
Intel i7-5820K(3.3 ghz)
32GB ram
Quadro K4200 4GB
Message 12 of 15

Hi Guys,

 

The behavior sounds defective. Could you share an example?

Many thanks!



Johnson Shiue (johnson.shiue@autodesk.com)
Software Test Engineer
Message 13 of 15
Eide.N
in reply to: schwebby

Bolted Connection Doesn't Constrain Multiple 

 

I have also attached a Pack and Go zipped.

Message 14 of 15
johnsonshiue
in reply to: schwebby

Hi Nick,

 

Many thanks for sharing the files and video! Indeed, this is a limitation in Bolted Connection workflow. The concentric option does not seem to apply the appropriate constraint unfortunately. I have heard about this request before but it does not look like we have a good solution yet unfortunately.

 

 



Johnson Shiue (johnson.shiue@autodesk.com)
Software Test Engineer
Message 15 of 15
Eide.N
in reply to: johnsonshiue

No problem. Happy to contribute when I can!

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