Washers

Wave Spring Washers offer enhanced support symmetry when compared to curved springs. Used to control end float and bearing preload, where space and permissible deflection is limited. compression to the flat condition is permissible.

Materials: Typically BS 1449 Part 1 CS70, finish: Phosphated & Oiled.

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Wave spring washers stand out for their distinctive wavy design, which imparts them with unique mechanical attributes. While traditional flat washers and regular spring washers provide straightforward axial force to fasten or lock components together, wave washers go a step further by offering a cushioning spring force. This is particularly useful in systems that require an extra layer of mechanical compliance.

When wave washers are compressed between two surfaces, the uneven contours in their design act like miniature springs, flexing and bending in response to the applied mechanical load. This gives wave washers an ability to absorb shock and cushion against intermittent pressures, contributing to their versatility in a multitude of applications.

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Design Features
The most distinctive feature of a wave spring washer is its irregular, wavy shape. This shape allows the washer to produce a spring effect when compressed. The number of waves can vary depending on the specific application, with more waves typically resulting in a higher spring constant and less compression. The design also allows for a relatively large deflection range, making wave washers suitable for applications with varying loads.

Functionality
Wave washers are primarily used to take up end play, which is the axial movement of components along the line of action, and also to absorb intermittent shock loads or reduce vibration. They exert relatively light pressure, which makes them ideal for applications where minimal load is required. In addition to absorbing shock and reducing vibration, wave washers can also maintain a force against two objects to reduce rattling or to secure a tight fit.

Materials
Like other types of mechanical washers, wave spring washers can be made from a variety of materials depending on the application. Common materials include:

Carbon Steel
Stainless Steel
Copper
Phosphor Bronze
Nickel Alloys

Applications
Wave washers are versatile and find usage in a wide range of industrial applications, such as:

Electrical assemblies
Automotive systems
Aerospace components
Machinery
Home appliances