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-   -   Monobolt rivets on FRC applications (http://www.chiefdelphi.com/forums/showthread.php?t=131200)

AustinSchuh 24-11-2014 12:47
Re: Monobolt rivets on FRC applications
 
Quote:
Originally Posted by Mike Marandola (Post 1409744)
Is that what you guys used on your intake gussets this year?
Yes, those are countersunk 3/16 rivets.

Quote:
Originally Posted by Ronnie314 (Post 1409759)
What is the reason for welding and using rivets with gussets? I have noticed you guys do this in a few areas. I would assume for extra strength and rivets/gussets make alignment pretty good while welding?
-Ronnie
The extra strength isn't part of the reason. They are riveted before welding so that the parts are pre-jigged when they arrive for welding. That makes it easier to get a better result.

RonnieS 24-11-2014 15:04
Re: Monobolt rivets on FRC applications
 
Quote:
Originally Posted by AustinSchuh (Post 1409804)
Yes, those are countersunk 3/16 rivets.



The extra strength isn't part of the reason. They are riveted before welding so that the parts are pre-jigged when they arrive for welding. That makes it easier to get a better result.
Got ya. I was wondering if that was the reason since we do the exact same thing.

Travis Covington 24-11-2014 16:59
Re: Monobolt rivets on FRC applications
 
Quote:
Originally Posted by Mike Marandola (Post 1409788)
I can't speak for 254, but I would guess added strength. Some parts on their intakes, like the little machined hinges, had to be welded anyway so why not? It is very minimal effort. Additionally, you would want parts that go outside your frame to be as rigid as possible to be able to withstand impacts.
We do this mainly for fixturing purposes. It makes the welders life much easier.

Andrew Schreiber 24-11-2014 17:04
Re: Monobolt rivets on FRC applications
 
Quote:
Originally Posted by Mike Marandola (Post 1409788)
I can't speak for 254, but I would guess added strength. Some parts on their intakes, like the little machined hinges, had to be welded anyway so why not? It is very minimal effort. Additionally, you would want parts that go outside your frame to be as rigid as possible to be able to withstand impacts.
I am not a Mech Eng but I do want to point out the opposite of this thought. Rigid is great but there comes a point where you can't make it rigid enough. At that point you should look into making it flexible. For example, the 16 beater bar intake is wonderful because it is nearly impossible to break. I've seen them rotate around 180 degrees without failure.

Mike Marandola 24-11-2014 20:49
Re: Monobolt rivets on FRC applications
 
Quote:
Originally Posted by Travis Covington (Post 1409857)
We do this mainly for fixturing purposes. It makes the welders life much easier.
That was my second thought. I was close to linking this thread were it was discussed.


Quote:
Originally Posted by Andrew Schreiber (Post 1409860)
I am not a Mech Eng but I do want to point out the opposite of this thought. Rigid is great but there comes a point where you can't make it rigid enough. At that point you should look into making it flexible. For example, the 16 beater bar intake is wonderful because it is nearly impossible to break. I've seen them rotate around 180 degrees without failure.
I know my statement was pretty broad, but I think it greatly depends on the device. Some devices you would need rigid and some would benefit from added flexibility.


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