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Flange coupling offers higher torques for mobile machinery in same size

March 11, 2019 By Mary Gannon

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For hydrostatic drives in construction and agricultural machines, I. C.-engines and hydraulic pumps are directly coupled. Both units are connected by a flange coupling. This connection must meet a number of requirements — although primarily it must transmit the power reliably, enabling the machine to perform the pending operations as requested. This is done via the BoWex FLE-PAC, a torsionally rigid curved-tooth flange coupling. Its hub is made of steel and the flange toothing of carbon fiber reinforced nylon. This material combination provides the coupling with high dimensional stability even with temperatures up to 130°C allowing for a long and maintenance-free permanent operation thanks to optimized coefficients of friction in the tooth combination.

KTR-hydraulic-engine flange coupling“Years of experience with applications at customer sites and extensive test series in the KTR test field in Rheine enabled us to determine potentials with this type allowing for an increase of torques of up to 25 %,” said Dipl.-Ing. Andreas Hücker, Product Manager for flange couplings in KTR. “Especially the low wear of contacts and the excellent dimensional accuracy of the coupling were decisive for the torque increase. The increased coupling torques definitely result in a bigger performance range with drives up to 800 kW. Thus the customers will be in a position to use smaller coupling sizes in their machines in the future.”

KTR will present the curved-tooth flange coupling BoWex FLE-PAC at bauma 2019 in Munich – hall A4, booth 145.

In 1959 Dipl.-Ing. Franz Tacke founded Kupplungstechnik GmbH with its head office in Rheine as a 100% subsidiary company of F. TACKE KG to develop the curved-tooth gear coupling BoWex which combined the materials nylon and steel for the first time and which was intended for a wide application range in machinery and plant engineering. Only a few years later KTR presented the next historical innovation with the jaw coupling ROTEX. A large number of other innovative coupling solutions were to follow to date.

KTR extended its product portfolio by manufacturing accessories for the hydraulic industry in the early 1970s. In 2005 hydraulic brake systems were added, followed by cooling systems for mobile and stationary hydraulics in 2009. Electromechanical drives have completed the extensive product portfolio since 2013.

KTR Systems GmbH
www.ktr.com

Filed Under: Components, Fittings / Couplings Tagged With: ktrsystems

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