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

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Air Emission Fan Mount

Uses a tolerance ring to mount a plastic impellor to a steel shaft, the tolerance ring provides sufficient torque to drive the impellor at operating temperatures


Benefits include:

• Good performance over a range of component
tolerances and operating temperatures
• Mount dissimilar materials
• Use of as-moulded tolerances on plastic fan

 

fan mount
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ISO/TS16949:2002 Certified Quality Management System

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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