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

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Throttle Body Motor Mount

Uses a tolerance ring to mount a motor without causing damage to the motor whilst providing stability during its operating environment.


Benefits include:

• Mounting between dissimilar materials
• Control of NVH / rattle / play of motor
• Prevention of motor failure – prematurely
• Easy to assemble
• Allows for lighter weight design

 

Animation / Video (Windows Media, 1.7MB)

Case Study (Adobe PDF)

throttle body
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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