At this years National Manufacturing Week, a new family of locally assembled gear units was unveiled by Australia’s premier drives solutions provider, SEW-Eurodrive. Featuring an extended bearing distance (EBD), the EBD MC Compact series of helical and helical-bevel gear units has been engineered to absorb the high bending moments and axial forces that occur in mixer and agitator applications. Like SEW-Eurodrive’s popular MC Compact series, the EBD MC Compact range is fully assembled in Australia, ensuring SEW-Eurodrive can provide uniquely fast turnaround on complete gear-unit packages.
“Manufacturers are always looking to optimise their mixing and agitation systems,” said Ian Tribe, SEW-Eurodrive national product manager, industrial gear units. “Traditional solutions depend on separate bearings for the agitator shaft in order to absorb axial and radial forces that occur during the agitation process. The EBD MC Compact gear unit assemblies eliminate the need for separate bearings by incorporating an additional bearing housing onto the existing standard bearing housing. This increases the distance between the upper and lower bearings by approximately 50 per cent, adding significant rigidity to the mixer shaft and minimising the axial and radial loads transferred to the gears and bearings.”
The EBD concept follows SEW-Eurodrive’s established philosophy of keeping things simple and modular: it consists purely of add-on components, such as stronger bearings, a larger diameter output shaft, and an extended bottom bearing housing. “We’ve designed these units to handle anything that moves large quantities, whether they are for agitators, mixers, aerators or thickeners,” said Tribe.
Because of the potential contamination of the agitated medium by bearing lubricants, SEW-Eurodrive can also incorporate a ‘drywell’ sealing system to prevent oil leakage at the output shaft in vertical mounting positions.
According to Tribe, the new Australian-assembled EBD MC Compact series is not affected by lengthy lead-times associated with overseas manufacture and shipping. “The Australian-assembled EBD MC Compact series can be supplied in just a few weeks,” he said. “This allows manufacturers to streamline their own project timelines.”
The Australian-assembled EBD MC Compact series is available now in various mounting arrangements and configuration options, and offered in five sizes, with torque ratings of 16 to 48kNm, suitable for motor powers up to 250 kW.
To explore SEW-Eurodrive’s EBD MC Compact gear unit series, visit SEW-Eurodrive at National Manufacturing Week 2009: Melbourne Convention and Exhibition Centre, Southbank, 12 to 15 May, 2009.
The SEW-Eurodrive EBD MC Compact series gear units are capable of absorbing the high axial forces that occur in agitator applications.
The SEW-Eurodrive group is a global designer and developer of mechanical power transmission systems and motor control electronics, headquartered in Bruchsal, Germany. Its broad spectrum of integrated solutions includes geared motors and gear units, high torque industrial gear units, high-efficiency motors, electronic frequency inverters and servo drive systems, decentralised drive systems, plus engineered solutions and after-sales technical support/training.
The Australian division of SEW-Eurodrive is headquartered in Melbourne and is supported by a network of offices in Sydney, Brisbane, Townsville, Adelaide and Perth. A comprehensive service and technical support centre is located in Melbourne, and complemented by assembly facilities in both Melbourne and Sydney. The company’s customer base includes large-scale corporations and smaller entrepreneurial enterprises across Australia.
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