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 03 December 2002
Tolerance rings reduce crush damage in
assembly
Component damage during assembly and installation is a common problem in numerous engineering applications, and can result in unnecessarily high reject rates.
Component damage during assembly and installation is a common problem in numerous engineering applications, and can result in unnecessarily high reject rates Such damage frequently arises as a result of the difficulty of fixing annular components into housings where tolerances are tight, or where any minor misalignment may cause unacceptably high forces to be exerted
This article was originally published on Engineeringtalk on 18 Aug 2008 at 8.00am (UK)
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The resultant "crush" damage may render the finished assembly inoperable, leading to premature failure and/or increased maintenance requirements.
Damage to bearing races during assembly can have a significant effect on subsequent efficiency.
A convenient means of overcoming such problems is provided in the form of tolerance rings.
Explains Roger Cornwell, of Rencol Tolerance Rings: "Since these rings are circular spring fasteners, they offer a threefold benefit, bringing both production and performance advantages.
Assemblies designed with these fastenings can offer reduced insertion forces and allow for minor misalignment.
If excessive force is applied, for whatever reason, the waveforms around the circumference of the ring can absorb this, providing effective protection to the mating components".
"Whilst assembly is eased, the rings are designed to ensure a firm interference fit in operation, that will provide long term performance." A further advantage of incorporating tolerance rings is that they also reduce the risk of damage during disassembly as and when maintenance is required.
Reductions in reject rates as high as 50% have been recorded as a direct result of switching to a tolerance ring specification. Request a free brochure from Rencol Tolerance Rings ...
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