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Belleville Conical Washers - Overview | Fasteners 101

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Belleville washers (also called Disc Springs, Spring Washers, Conical Washers, Cupped Spring Washers, or Conical Spring Washers) are used to add vibration resistance and preload to a bolt assembly. Plus they can be stacked in various ways to provide additional force and resistance to an assembly, and act as a lock washer as well.
The conical shape adds a spring force to against the bottom of a bolt head which gives it its locking properties. In this video, we further explore these belleville washers in a simple overview of how they work and how you can get the most out of them.
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Опубликовано:

28 авг 2024

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Комментарии : 26

@jamescole3152 3 года назад

Your load and deflection, has 2 together and 2 opposite. The 2 opposite will compress while the 2 together will not. So you will flatten the 2. It won't work very well if 2 are flattened.

@kasperkerkhof2252 2 года назад

The stack arrangement he uses is 2-1-1, which will have a greater stiffness, because (as you stated) you are only flattening 2 instead of 3 (but the same flat load) as a 1-1-1 stack arrangement. If you are looking for a greater flat load and a greater deflection you should use a 2-2-2 stack arrangement.

@StationaryNomad361 7 месяцев назад

Great content! Thank you

@StationaryNomad361 7 месяцев назад

So for deflection and load, you use 2x load. You can’t do 1x load, because it would just be a deflection configuration, correct?

@stefancockroft5370 2 года назад

Nice but I don't know what load and deflection are so I'm confused.

@anteneupitra 11 месяцев назад

you have to make a PhD in enginnering, and ask your teacher, here is mechanics, that knowhow to make things

@musabtqeiwy1726 2 года назад

Is conical spring washer a different name for spring washer? Or conical spring washer is a member of the spring washers family?

@anteneupitra 11 месяцев назад

you have to make a PhD in enginnering, and ask your teacher, here is mechanics, that knowhow to make things

@user-vl4tn7ek1i 8 месяцев назад

HOW TO GET THE WASHERS FROM YOU, I REQUIRE M12 IN STAINLESS STEEL

@anonypersona3189 3 года назад

When someone says "crown side" of the washer, which side do they mean? The concave side or convex?

@AlbanyCountyFasteners 3 года назад

That would be the convex side.

@anonypersona3189 3 года назад

@@AlbanyCountyFasteners Thanks. Someone told me there are two sides: "Crown" side and "Cup" side. It's obvious what the "cup" side is, so crown became self-explanatory.

@michaelyoumans2113 5 лет назад

missing 1/2 of a video... What is load and how is it used? What is deflection and how is it used?

@AlbanyCountyFasteners 5 лет назад

2:19 In this context, Deflection is the degree to which the washer travels vertically (or "bends"), with respect to the bolt, under a load. Think of it like how much the washer compresses or springs under load. A load is the force applied to the structural elements, sort like the "weight" that's on the fastener(s).

@michaelyoumans2113 5 лет назад

Yes thank you for defining "load" and "deflection"... What is missing, from an Application standpoint is: Where would you use the "load"technique vs. the "deflection" technique, or the combination that you describe?? Thank you

@AlbanyCountyFasteners 5 лет назад

Certain applications have specific requirements and the different configurations can be used to meet those requirements. If you have application specific questions, it's best to consult an engineer with your specifications.

@formativeassessment4206 5 лет назад

Does this equal the separation of the joint which is being held together by the fastener?

@arwinshrestha1531 4 года назад

@@michaelyoumans2113 My understanding is that Load technique is used for instances where the amount of force applied onto the spring is the concern and the Deflection technique is for instances where the concern is how far you want the spring to deflect or move in the vertical direction. The combination allows for both.

@aeroarby260 4 года назад

Hi Bob, I was watching your videos on RU-vid, especially related to Belleville washer, I’m making about 4000 pcs, but I need to do a deflection test @ 25%, 50%, 75%, and Flat. Do you have videos showing how to test Belleville washers, load V deflection? Can you advise any method to do the test, please? what type of apparatus or press do I need? Thank you, Sergio Sun Valley, CA

@AlbanyCountyFasteners 4 года назад

Our suppliers and manufacturers don't share that information with us, so the exact process of how they perform deflection tests is unclear. I would advise contacting an engineer on the subject for more specifics. That said, this article on Belleville Washer specifications and technical notes may help you: www.jugenheimersupplies.com/customer/docs/BELLEVILL%20WASHER%20TECHNICAL.pdf

@aeroarby260 4 года назад

thank you for the adivse

@valvodka 3 года назад

@@aeroarby260 I can get you deflection tests. we give them out all of time when people ask to compare similar disc springs. let me know what you are after

@fiorevitola880 5 лет назад

Is there different thickness of the conical washers?

@AlbanyCountyFasteners 5 лет назад

Conical washer thicknesses vary from size to size. You can check out our spec table on the conical washers here: www.albanycountyfasteners.com/belleville-conical-washers-18-8-stainless-steel-p/111202.htm