www.jbj.co.uk/couplings.html#flender 34 #DriveLineHarmony N-Eupex DK Torsionally Flexible Couplings 3. N-EUPEXMODULARPRINCIPLE 3.1 Introducing a steel jumbo hub. The expansion of the N-EUPEXmodular principle continues with the introduction of a new jumbo hubmade of steel in one-piece and split versions. The jumbo hub advantage In contrast to the existing hubs, the new hub does not have flattening, so the inner diameter and, hence, the bore capacity are greater. The steel hub advantage In addition to the previous hub version, a typical cast iron machine element, Flender is now also offering another hub made of steel – initially in ten sizes. The addition of the steel hub to the modular principle makes customized shaft-hub connections possible as well as a higher bore capacity. This allows various clamping elements to be integratedmore easily, for example. The hub innovations increase bore capacity by an average of 40 percent. This allows users to select couplings in a smaller size. Purchasing costs are lower and less installation space is required.
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