Disc Springs vs. Belleville Washers

05 Feb.,2024

 

Disc Springs vs. Belleville Washers

Disc Springs vs. Belleville Washers

dik

(Structural)

(OP)

10 Aug 23 18:49

https://www.spirol.com/resources/white-papers/the-...

I didn't know there was a difference.

-----*****-----
So strange to see the singularity approaching while the entire planet is rapidly turning into a hellscape. -John Coates

-Dik

RE: Disc Springs vs. Belleville Washers

phamENG

(Structural)

10 Aug 23 18:54

And I'd not heard of either of them, so we both learned something!

RE: Disc Springs vs. Belleville Washers

3DDave

(Aerospace)

10 Aug 23 19:04

The Belleflex people have a different opinion.

I suggest a cage match.

Edit: Change from disk to disc.

Brought to you by the Disc Spring division President and those who find spelling Belleville a rough go.The Belleflex people have a different opinion. https://www.belleflex.com/resources/belleville-dis... I suggest a cage match.Edit: Change from disk to disc.

RE: Disc Springs vs. Belleville Washers

IRstuff

(Aerospace)

10 Aug 23 19:07

Heard of Bellevilles yes, disk springs no. We use Bellevilles for loading certain types of fasteners, such as with kinematic mount screws, where we don't want the fastener to bottom out, since that could potentially damages the mating surfaces, so finger-tighten plus quarter-turn or similar so that the ball ends are firmly in contact with the mating surfaces, but not digging into the hardened steel. Maybe they were disk springs, but the engineer called them Bellevilles, so who knows for sure?

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RE: Disc Springs vs. Belleville Washers

dik

(Structural)

(OP)

10 Aug 23 19:26

Thanks 3DD... I've always spec'd Bellevilles... I didn't know about speccing Disc Springs... The article about designing disc springs for fatigue was an interesting read...

-----*****-----
So strange to see the singularity approaching while the entire planet is rapidly turning into a hellscape. -John Coates

-Dik

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