WHAT IS A TOLERANCE RING?
WHY USE A TOLERANCE RING?

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Benefits

Jointing annular components can give rise to numerous problems and all too often, demand solutions which are certainly ingenious but also complex. Increasing numbers of component manufacturers are now finding that switching to the use of tolerance rings can provide a simpler and more cost-effective approach.

The tolerance ring waveforms create an interference fit between mating components.  The waveforms and other important criteria, such as ring thickness and hardness are designed with ring specialist and component manufacturer working closely together on development.

Rencol Tolerance Rings now lead the way in problem solving solutions.  Product innovations include the use of waves, dimples, square profiled waves and sprung fingers.

All customers have different reasons for using tolerance rings, some of these benefits include; Secure mounting across temperature range, Relaxed tolerances on mating components, Improve vibration characteristics of mounting method, Ease of assembly, Improved concentricity of mounting method, Torque overload protection of gears, Eliminate complex machining operations, Removal of  backlash and Allows angular misalignment.

Whilst the above list of benefits is large, it is by no means complete. The use of tolerance rings to innovate overall design issues enables designers to achieve a cost effective means of solving problems, whilst adding substantial benefits to the overall end product.

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Tolerance Rings are radial spring fasteners
that are press fitted between two mating components. This generates a retention force that fixes those components together, whilst also satisfying other functional requirements such as Torque Drive, Overload Protection, NVH Performance and Differential Thermal Expansion.


Fasten annular components
Reduce noise & vibration
Compensating for thermal expansion
Predictable & repeatable slip
Avoid resonance frequencies
Overload protection