4th Quarter 2012Electrical switching & drive systems & components
SEW-Eurodrive produces the robust X Series industrial gear units on an independent platform. With their finely graduated size, they cover a torque range of up to 475 kNm. Recently the German drive automation specialist rounded off the lower power range of this series and is now also offering the proven gear units for the torque range of 6,8 to 475 kNm. With an extremely large gear ratio of 6,3 to 450, SEW-Eurodrive has met all the requirements for a complete, comprehensive range of industrial gear units.
When it comes to helical and bevel-helical gear units, nearly any mounting position or shaft arrangement can be implemented. The finely graduated size and high power density of the X Series result in savings in both weight and cost. The large amount of pre-defined accessory equipment creates flexibility in terms of adjusting the unit to each respective application. This includes a wide range of modular options such as motor adaptors and mounting flanges, backstops, cooling systems and sealing systems for a wide variety of environmental conditions.
An important area of application for SEW industrial gear units is conveyor systems in various industries. The gear units give reliable service in driving conveyor belts and bucket elevators during the horizontal and vertical transport of bulk material and packages. They can also run the travel and hoist drive on cranes or serve as a drive with reinforced bearings for mixers and agitators. The units are very popular in the mining industry.
Sew-Eurodrive also compiles drive packages that include components such as industrial gear units, motors, couplings, brakes and steel frames. The benefit for customers is that they can obtain a complete, fully assembled drive package from a single source.
The X3K helical bevel unit is designed with the mining industry in mind. It includes the latest condition monitoring equipment in the form of a temperature feedback probe, the DUO Oil Analysis sensor and the DUV vibration analysis sensor. Also fitted in the unit is an integral one-directional backstop bearing which allows for a more compact design of the geared motor. An auxiliary drive is fitted to allow for easy maintenance when the drive needs edging. This type of setup allows for better energy efficiency during maintenance, when the smaller auxiliary drive can be used instead of the larger industrial gearbox. The unit would suit a bucket elevator setup.
SEW-Eurodrive also offers mixing units in the form of the smaller MC Series of industrial gear units. They are fitted with an extended bearing distance and SEW motor. The extended bearing distance assists in handling the higher torque loads which come standard with mixing applications. A drywell oil seal is also included in this unit. This is vital, especially in the water treatment industry.
SEW-Eurodrive has a dedicated industrial gear unit factory in Nelspruit which services the local market with custom-designed units. A large local stockholding makes for shorter delivery times and more flexibility.
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Electrical switching & drive systems & components
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Hägglunds Drives South Africa recently completed a retrofit project on the bucket wheel of a stacker reclaimer at Richards Bay Coal Terminal. The project entailed replacing a gearbox drive solution with a direct drive solution from Hägglunds Drives SA.
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With well over 100 units already delivered, SEW-EURODRIVE is set to continue supplying Ivanhoe Mines’ prestigious Kamoa-Kakula Copper Complex in the Democratic Republic of Congo.
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For 50 years, Bausch+Ströbel in Germany has been developing packaging and production systems for the pharmaceutical industries. The company’s goal is to offer the best technical and economical solutions for the challenges of modern industry. Its new ESA1025 labelling machine shows how this is achieved with PC-based control from Beckhoff as the central motion controller.
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Several leading academic institutes in Germany are collaborating on the future of hybrid electric flying. The partners are researching an entirely new propulsion system for medium-range aircraft with up to 35 passengers.
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Electrical switching & drive systems & components
Aerotech has been supplying standard product solutions such as motors, drives, controls and positioning tables since 1970. Customised motion subsystems include positioning systems on granite structures with undercarriage and vibration isolation, and also external measurement systems.
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