Tolerance rings help fast-fit bearings
A
Rencol Tolerance Rings product story
Edited by the Engineeringtalk editorial team
Oct 31, 2005
A new prefitted bearing subassembly from Rencol Tolerance Rings incorporates a tolerance ring fitted into a groove on the bearing outer race.
Mounting a precision bearing into an as machined or "as formed" housing can pose numerous challenges, typically the required accuracy of the machined housing, differential thermal expansion of materials, misalignment and high press-in forces.
The new prefitted bearing subassembly from Rencol Tolerance Rings provides the solution.
A tolerance ring is fitted into a groove on the bearing outer race.
The ring has a series of waves or blisters, which locate against the components to form a rigid joint and compensate for any dimensional variations.
The prefitted Rencol tolerance ring brings all the benefits of the company's traditional tolerance ring, such as maintaining minimum retention forces in mating components with different thermal properties over a wide temperature range.
It allows the use of "as moulded" or "as cast" housings without the need for expensive, tight tolerance machining operations.
The low forces exerted by the ring allow for quick and easy press-fit assembly while maintaining long term bearing performance, providing a cost effective solution which eliminates a number of operations and allows for automated assembly systems.
The ring design can be tuned to give each customer the optimum performance for their application, including changing the stiffness of the bearing assembly so that noise and vibration are reduced.
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Contact Rencol Tolerance Rings
Tel +44 117 938 1700
Other Rencol Tolerance Rings stories
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Tolerance-ring mounts bearing in cast housing
Engineers at Saint-Gobain Performance Plastics Rencol have developed a method that uses a tolerance ring to accurately and rigidly mount an alternator bearing in a cast housing. -
Tolerance ring bearing-mounts decrease vibration
Saint-Gobain Performance Plastics Rencol has completed a research programme confirming that tolerance ring bearing-mounts decrease vibration compared with press-fit and glue alternatives. -
Tolerance rings improve vehicle efficiency
Due to rising fuel prices, consumer demand is forcing car manufacturers to improve the efficiency of cars by any means possible - lightweight EPAS systems are already being adopted, for instance. -
Tolerance rings created to handle torque overload
Saint-Gobain Performance Plastics Rencol has created tolerance rings to handle torque overload conditions in power tools. -
Tolerance rings - from concept to production
When tackling a fixing issue between two mating components, Stuart Kelly argues it can prove beneficial to consider integrating an innovative radial spring fastener.
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