Highly flexible shaft for wind power plants
CENTA will be presenting CENTAFLEX-A, a shaft with extremely good misalignment compensation and vibration absorption, at the HUSUM WindEnergy Trade Fair from 09. – 13. September 2008. Its adaptability makes it the perfect link between gearbox and generator.
The CENTAFLEX series is based on a highly elastic polygon-shaped rubber element with metal parts vulcanised in so that it is extensively flexible in any direction. The screws connecting the rubber element with the hubs are alternately arranged axially and radially. The screws produce a preload pressure stress, in turn raising the capacity of the CENTAFLEX-A and compensating any tensile stress occurring in operation: A simple but highly effective design principle for torques up to 12.5 kNm.
Besides compensating considerable misalignments, the CENTAFLEX-A excels with its outstanding damping characteristics. Noise, vibrations, and shock are significantly dampened. This reduces stress on the driven equipment side, as well as, on the driven generator and goes soft on shafts and bearings of the aggregates with only minor reaction forces. In addition, the CENTALINK shaft features very high electrical insulation values.
The torque is transmitted absolutely free of backlash and is fail-safe. Considerable durability and long service life characterize maintenance-free CENTAFLEX-A, as well as, its versatility. The dimensions are not standardized, but can be adapted individually to the pertinent assembly conditions. The assembly can be accomplished without special tools and without axial movement of the aggregates.
The shaft will be showcased at the HUSUM WindEnergy Trade Fair, 09. – 13. September 2008, stand 4C19.
The innovative CENTA couplings and drives have ongoing adaptations to the most recent technical demands and requirements. A wide range of innovations has made the company with its history of almost 40 years one of the world’s leading manufacturers of flexible couplings and drive shafts for industry, ma-rine, and wind power applications. Further information to be obtained at www.centa.info.
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