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Monday 17 November 2008

Bearings bring new life to quarry

Jessica Darnbrough

A range of gearboxes and bearings from Baldor have helped one minesite save on downtime.

Corcoran Concrete's quarry in County Mayo in Ireland began using Baldor’s bearings and gearboxes in a bid to remove the downtime they had been suffering with other bearings and gearboxes.

According to the company, most of the bearing failures were taking place in in the sand production and washing plant.

The site replaced them with ISN types, and purportedly saw reliability increase three-fold.

"Dodge bearings and gearboxes have a formidable durability record on the most aggressive processes," says Mike McGrath of Central Bearing Supplies.

"Compared with the components often fitted on quarry conveyors, they can often increase operating lifetimes substantially as this quarry application demonstrates."

The quarry replaced their bearings and saved on downtime.
The quarry replaced their bearings and saved on downtime.

The handling automation for the new stone processing area has been designed by Gortavoy Plant, a Northern Ireland company specialising in application-specific automation solutions for quarries.

To aid the reliability and maintainability of the 17-section conveyor system it produced for Corcoran Concrete, just two sizes of Dodge gearbox and two sizes of ISN bearing have been used throughout the conveyor system, by allowing for good margins of performance above the nominal ratings.

This feature aids the robustness of the system, and additionally allows Corcoran Concrete to maintain a spares holding on the site to deal quickly with any unforeseeable problems.

Baldor Electric

sales.sg@baldor.com

www.baldor.com

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