Water treatment from SEW Eurodrive
July 2006
Motion Control & Drives
SEW Eurodrive, leader in the field of geared motors, is now able to supply an industrial gear unit that offers solutions for mixing and agitating applications with its MC range of extended bearing distance (EBD) industrial gear units.
SEW Eurodrive recently supplied the local sewage works in Nelspruit with a 55 kW extended bearing distance (EBD) aerator drive. Raymond Obermeyer, SEW Eurodrive branch manager, commented that, "The reason the client chose us was our location, stockholding and the excellent service and back up that the customer had received from our branch in the past." This is the first in a series of drives that we will be supplying to this customer.
In process plants, large axial and radial forces occur at the agitator shaft during the agitating processes. Traditional designs solve this problem with separate, external bearings that take on the function of the agitator shaft bearings, a solution that very often proves cost intensive.
SEW Eurodrive's new EBD concept extends the bearing span across the low speed shaft and offers stronger bearings within the gear unit itself, which means that in many cases separate bearings are no longer required in the agitator or an oversizing of the gear unit can be avoided.
These high torque MC industrial gear units can be used for the reliable operation of mixers, agitators and surface aerators. The powerful and stiff bearings are also suitable for absorbing forces that occur in drives for wet, dry and hybrid cooling towers. The concept is supplemented by an optional drywell seal, which reliably prevents oil leakage at the output shaft together with standardised mounting flanges.
This serves to offer a powerful solution that has output bearings with high load bearing capacity and a reinforced output shaft. Different output flange dimensions can be adapted to the gear unit using clear interfaces. One gear unit can be used for both foot and flange mounting.
SEW Eurodrive also offers short lead times due to the fact that the components are standard stock items and they have an extensive network of assembly facilities situated throughout southern Africa.
For more information contact Rene Rose, SEW Eurodrive, 011 248 7000, [email protected]
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