The finely spaced series offers wide variety due to various output shafts, conformity to different motor standards, application-specific auxiliary equipment and load-sharing options. This permits a large number of possible applications to be catered for. The modular design allows a large number of basic components to be standardized, in particular planetary stages and housing components as well as drive- and output-side components. The resulting reduction in complexity makes it possible to produce economic batch sizes to a high quality standard. Your benefits at a glance Easily combined with other gear units such as upstream helical, worm, bevel or bevel-helical gear units Low-noise operation due to low rolling and sliding speeds at the tooth flanks Greatest power capacity and maximum reliability High efficiency Available as an individual gear unit or as an Integrated Drive System Established as the industrial standard, worldwide in use Mining and Cement: roller presses, apron conveyors, tube mills, rotary kilns, bucket excavators Cranes: slewing gear systems, trolleys Chemicals and Pharmaceuticals: agitators Did you know? Gearboxes for wind turbines, which are marketed under the autonomous brand Winergy within Flender are also based on planetary gear technology.
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Our products Based on an experience of more than 12 thousands gear units, Flender-Graffenstaden manufactures high efficiency gear units used in all processes in power plants, refineries, offshore and onshore oil and gas installations, petrochemical and industrial process plants around the world.
Flender-Graffenstaden provides turbo parallel shafts and integral gear units with centerline distances ranging from to mm. Designed to meet specific customer needs, our products can reach rotation speeds up to rpm and powers up to MW.
In order to transmit these high powers, our case hardened and nitrided teeth are grounded with optimized corrections to ensure homogenous load distribution in operation and provide high reliability during the entire service life of the product. In addition to high precision manufacturing and control standards, each gearbox benefits from a dynamically optimized design of shafts and hydrodynamic bearings.
Based on the most modern technologies and latest knowledge in the field of gearboxes, every single gear unit is tested in our facility to demonstrate satisfying operation while highly reliable instrumentation is installed to enable efficient monitoring on-site. With impellers directly mounted to the gear casing, these products form an integral unit with the driven compressors and expanders integrally geared compressor.
These multi-stage gear units can also incorporate other machines such as electric motors, steam, gas turbines, coolers and turboexpanders. Using the latest knowledge in vibration analysis, journal and thrust bearing technology, sealing systems, finite element calculations for both shafts and casing and the know-how acquired over 60 years of gear manufacturing, Flender-Graffenstaden now provides integral gear units weighting over 50 tons and wheel diameters reaching 3 meters for process plants.
Enclosed in rigid welded steel or cast iron casings, Flender-Graffenstaden gear units can be equipped with a lubricating oil pump or a turning device connected to the free shaft ends of the gear train, according to specific needs.
Tutti i cataloghi e le schede tecniche Flender GmbH A Siemens Company