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

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EPS Stator Mount

Uses a tolerance ring to simply fix the stator to the shaft / housing.



Benefits include:

• Increased tolerances of mating components
• Use of dissimilar materials
• Control of NVH properties of EPS motor
• Reduce number of fixing components / motor components
• Simple to assemble

 

Case Study (Adobe PDF)

stator mount
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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