Parametric Flange With Bolt Holes
You will not find much information on this subject because it is considered not the "right" approach. Voids and arrays are typically things that will have a relative high impact on Revit performance. So people will try to avoid both of them when possible. You have to consider what would be the advantage of creating such detailed flanges in Revit.
Most people will use just a disc object to represent the flange. You could just add a (shared) parameter (e.g Qty_Bolts) in the flange family to be able to count/schedule the amount of bolts needed for your project.
Also have a look at THIS thread with a little bit more information on this subject and alternative routes.
Louis
Please mention Revit version, especially when uploading Revit files.
Hello,
Instead of creating the holes, you could create the bolt heads and nuts only on each side, if you really need their geometry, the holes won´t be visible if you have them.
Fábio Sato
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you need something like this, which i have developed myself.
i have developed a fully parametric custom gasket family that has the bolts nested inside, depending on the diameter of pipe you pick the bolts align to the correct spacing and the bolts themselves are selectable as size and grade etc, all shared so they can be scheduled and counted globally.
Your Name
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thank you very much!
about half a day was spent on the modelling, and a few hours prior scratching my head with doodles on paper.
there are a few families created for this to work.
first one was a custom butterfly valve with built in bolts as a proof of concept, based on a manufacturer we use pretty much always so the dims line up.
then i re-engineered this family to be a gasket joint with bolts.
then i re-engineered it to be a double joint for wafer items.
so now we have a family for almost every option, and all flange bolts report themselves onto a schedule for our prefab lads who love the families.
oh and it also looks amazing in AR/VR & Rendering see enscape shot below.
G
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how much to buy it off ye lol 🙂 those snaps are excellent
i have gasket family etc, but the bolts was something i was struggling with
not great to make assumptions about stuff your not completely familiar with.............
this was invented from need, these bolts can vary wildly depending on system PN rating, size fluctuations, differences in flange thicknesses depending on the item between the flanges etc only to name a few. not at all easy to schedule and make "assumptions"
no real hit to performance, been using them in live jobs for a while now, massive MEP models with 300k elements, no issues.
all changes made during design cycle immediately captured. no time wasted doing manual take-offs over and over again.
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thank you very much i appreciate your feedback!!
the family is neither for sale, nor for download. its a simple family to construct using nested families and parametric extrusions etc, set to specific DN sizes per pipe size. Id respect anyone who could take these images as a concept and reverse engineer their own solution rather than just taking my work and taking the credit for it if you understand my position. id teach anyone how to do this its relatively simple, its understanding how to achieve it is the hard part.
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