When you need a washer that can support heavy loads in a limited space, Belleville washers are the best. They have a conical figure that gives them the ability to support loads while having small deflections. They are mostly employed to solve thermal expansion, vibration, bolt creep and relaxation problems. Belleville washers are also referred to as disc springs.
Tips to Help You Choose the Right Belleville Washer for Your needs
There are various sizes and designs of Belleville washers on the market, and this makes it hard for users to pick the right one. Each of these washers serves a unique purpose. But when choosing which Belleville washer will suit your need, consider the factors listed below:
One of the significant benefits of these washers over lock washers and helical springs, they can offer high forces over limited spaces that they are employed. However, you should bear in mind that they limit the forces that can be applied to these washers. You need to select the diameter of the Belleville washer to be used to offer the support that your system requires.
Most of the Belleville washers are designed with the nature of load put in perspective. It is applied to every aspect of the washers including force limits, overstressed parts, and sizes. It is essential for you to understand the nature of force you want to use in your specific application.
The environmental conditions which your Belleville washer will come in contact will be crucial in coating and material selection. Properties like chemical exposure, geological location, and working temperatures will show whether your washer requires coating or not.
It will help to eliminate the probability of washers breaking due to unfavorable weather conditions. Belleville washers can accommodate higher loads than the helical springs.
Applications of Belleville Washers
- In land mines because of their unique characteristics — Once a person or vehicle steps on the spring, it exerts pressure flipping the next firing pin connected to a detonator.
- As a locking device in low loads applications such as in down-tube shifters used in bicycles.
- As an indicator of shrinkage of wooden propellers employed in the aircraft.
- In the construction of buildings where they are used as vibration dampers.
And this is all you need to know about Belleville washers. For more info, see this page.