Gear Service & Repair From the Specialist OEM


In keeping with its reputation as a world-class manufacturer of precision gears, Renold Gears, a division of Renold Power Transmission, has developed a comprehensive Service & Repair Department to meet the requirements of industry worldwide.

Based at the Renold Gear Works at Milnrow, Lancashire, England, the department operates a round-the-clock call out to provide a rapid response to customer requirements.

All types of worm, helical and bevel gear units are accepted for service and repair, irrespective of age or original manufacturer. Naturally, the facility provides a full rebuild service on Renold, Holroyd, Croft and Carter gear units using genuine manufacturer's components.

A specialist OEM of fixed speed reducers, motorised units and variable speed drives, Renold's expertise is reflected in the quality and in-depth repair facilities available to customers.

gear service repair

Service/repair gearboxes undergo exactly the same engineering processes as new units and a comprehensive running test and leak check is carried out before pass-off. All service/repair units carry a 12-month warranty as standard.

The service can include electron beam welding of the wormwheel rim and centre to give added security. The high security fit of electron beam welding allows transmission of power under extreme shock load conditions.

Complementing its factory-based repairs, Renold can provide a range of on-site and support services, which can include: on-site maintenance and in-situ repairs; plant surveys for planned maintenance; and technical design expertise for all application and design requirements.

Renold's expertise was recently called upon when a major automotive manufacturer experienced persistent stoppages to one of its main conveyor lines, due to a repeated failure of a non-Renold gearbox drive and layout shaft assembly.

Renold engineers using laser alignment equipment found that two pairs of opposing, rigidly mounted gear couplings, connected by common layshafts were permanently under stress. A complication was that the conveyor fixtures that located the gear couplings were an integral part of the building structure and could not be re-sited.

The solution was to install two Renold GF1-SA internal gear couplings (which incorporate a misalignment capability) per side to replace the rigidly mounted couplings, and new layshafts manufactured from a more resilient EN 24B material. Conveyor stoppages due to drive coupling failure have not occurred since the modification.

Renold Gears Sales Director, Roger Godson, comments: 'Renold Gears has over 100 years' accumulative experience in the manufacture of precision gears and is one of the very few British-based gear manufacturing companies still in existence. Using reverse engineering techniques we have the capability to repair any gear assembly - irrespective of size, configuration or origin, and we have a comprehensive OEM service and repair programme for Renold, Holroyd, Croft and Carter products. Our experience and unrivalled expertise mean that we can provide a level of service, either in-house or on-site, second to none.'

For further information, please contact:

Simon Chipchase / Service and Repairs Manager
Renold Gears
Holroyd Gears Works
Rochdale, OL16 3LS, England
Tel: +44 (0) 1706 751000
Fax: +44 (0) 1706 751001