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

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Tyre Cradle

Uses a tolerance ring to provide overload protection of in case of over winding during a tyre change. The cradle holds the spare tyre and a winch is attached to wind the cradle up to the car.


Benefits include:

• Control of torque – acts as a slip clutch
• Allows use of dissimilar materials for component parts
• Simple in line part – small packaging space
• Good performance over a range of component tolerances and operating temperatures

 

Case Study (Adobe PDF)

tyre cradle
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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