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Edward Lowton
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Hot steel, cool gears
05 September 2013
Watt Drive (part of the WEG Group) helical bevel gearboxes are being used in a new straightening unit at steel producer ArcelorMittal’s plant in Belval, Luxembourg. The project was carried out by engineering company TBR casting technologies (part of the Inteco Group). The Type K139 gearboxes offer high performance in a robust and compact package.
The drives are designed for a maximum ambient temperature of +100°C without additional oil cooling. At the client's wish, Watt Drive's developers also fitted a water cooling system providing the gearbox with additional thermal protection.
The water cooling system ensures a lowering of the oil temperature by means of internal gear pipework. At these high temperatures, special motor and gearbox seals are also required. Here, Watt Drive used temperature-resistant shaft seal rings (Viton) on hardened running surfaces.
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