Product category:
Springs, dampers, latches, locks and small components
News Release from: Rencol Tolerance Rings | Subject: Tolerance rings
Edited by the Engineeringtalk Editorial
Team on 01 March 2004
Simple ring fastener tackles appliance
challenges
An apparently simple ring fastener could prove the solution to a cross-section of annular component assembly challenges encountered in the domestic appliance industry.
An apparently simple ring fastener could prove the solution to a cross-section of annular component assembly challenges encountered in the domestic appliance industry The tolerance ring is a circular spring steel fastener with waveforms around its circumference that locate against the surfaces of mating components to create a secure interference fit
This article was originally published on Engineeringtalk on 30 May 2008 at 8.00am (UK)
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Running rings round steering design challenges
Tolerance rings are simple in concept, inexpensive, compact and easy to use; yet they can enhance performance and safety while reducing costs in steering column assemblies, as Chris Needes explains.
The rings can be engineered to provide an immovable joint at exceptionally high torques, or to slip within predefined parameters to avoid torque overload and resultant component damage.
Explains Richard Treharne of tolerance ring specialist Rencol: "The rings are used very widely in the automotive sector and in hard disk drive manufacture.
Common applications include mounting bearings in electric motors.
However, whilst literally millions of tolerance rings are used in these applications, their adoption in appliance markets remains in its infancy.
There are numerous applications that can undoubtedly benefit as product designers become more familiar with this type of fastener".
Among potential applications highlighted by Rencol are mounting belt drive pulleys, tub base housings, brush holder mounts and fixing bearings onto alloy shafts.
In pulley installations, for example, using one of the precision rings will generally prove more economical than keyways, allow larger component tolerances and eliminate backlash on directional reverse.
Ease of assembly, compensation for differential thermal expansion and elimination of the need to use epoxy glues and set screws are among the other benefits quoted. Request a free brochure from Rencol Tolerance Rings ...
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