# What is the difference between a spring washer and a Belleville washer?
## Spring Washer:
- **What is a spring washer?**.
A spring washer, also known as a split washer, is a type of washer designed to provide a flexible spring-like action when compressed. It is usually used to prevent nuts and bolts from loosening due to vibrations.
- **How does a spring washer work?**.
When a spring washer is compressed between two surfaces, the uneven surfaces of the washer flatten out, creating tension and preventing the nut or bolt from rotating.
## Belleville Washer:
- **What is a Belleville washer?**.
A Belleville washer, also known as a conical spring washer or disc spring, is a type of washer that has a conical shape and provides a high spring rate in a small space.
- **How does a Belleville washer work?**.
Belleville washers are stacked in a series to increase the load capacity. When compressed, the washers flatten out to distribute the load evenly and provide a high spring rate to maintain tension.
## Difference between Spring Washer and Belleville Washer:
- **Size and Shape:**.
- Spring washers are flat and circular, while Belleville washers have a conical shape.
- **Spring Rate:**.
- Belleville washers provide a higher spring rate compared to spring washers due to their conical shape.
- **Load Capacity:**.
- Belleville washers can handle higher loads than spring washers due to their design.
- **Applications:**.
- Spring washers are commonly used in light-duty applications, while Belleville washers are used in heavy-duty applications where high spring rates and load capacities are required.
In summary, the main difference between a spring washer and a Belleville washer lies in their shape, spring rate, load capacity, and applications. Spring washers are flat and provide a lower spring rate, while Belleville washers are conical and offer a higher spring rate and load capacity, making them suitable for heavy-duty applications.
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