Gearbox helps bring in the limestone
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Siemens Flender product story
Edited by the Engineeringtalk editorial team
Feb 14, 2003
Flender Power Transmission has supplied an FZG helical gear unit to Europe's largest independent quarry operator, Foster Yeoman, for the Torr Works quarry in Somerset.
Flender Power Transmission has supplied an FZG helical gear unit to Europe's largest independent quarry operator, Foster Yeoman, for the Torr Works quarry in Somerset.
The quarry, near Frome, produces around 6Mt per annum of carboniferous limestone, most of which is railed to the London area.
The quarry operates with a mobile crusher and runs at an average of 2200t/h, via a collection of fixed and field conveyors.
Flender's FZG gear unit comprises a size H2 SH13 helical gear reducer with a ratio of 20:1 and a torque rating of 86,000Nm.
It has an output speed of 74rev/min and is attached to a Fludex delay chamber fluid coupling and a Rupex flexible output coupling.
All are mounted on a specially fabricated baseplate with input coupling guard and situated on one of the fixed conveyors, which is 300m long and has a 28m lift.
All fixed conveyors on the site are totally enclosed and the field units covered too.
The belts are 1.6m wide, running at 3m/s.
The Flender units were commissioned in late 2002 and quarrying is currently taking place sub-water table.
Foster Yeoman has several significant operations in the UK, including rail depots, marine terminals and a Scottish coastal quarry near Oban, called Glensanda.
In Europe the company is involved with marine terminals and associated rail operations.
Flender Managing Director Nick Garthwaite confirmed the Flender units were running well: "Both our organisations have been established for over 100 years, and we have been supplying gear units successfully to specialist operators like Foster Yeoman for much of that time".
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