www.jbj.co.uk/couplings.html#flender 2 #DriveLineHarmony Intermediate spacer Plate pack Hub Hub Plate pack Intermediate spacer Intermediate flange Hub Hub Plate pack Plate pack Intermediate flange Intermediate spacer Intermediate flange Hub Hub Plate pack Plate pack Intermediate flange N-ARPEX ARN-6/-8/-10 Series Introduction Torsionally Rigid All-Steel Couplings Design andConfigurations The coupling parts of the N-ARPEX ARN-6/-8/-10 series with the exception of the H spacers have been machined on all sides. The H spacers are delivered with unmachined, primed spacer tube. Dimension sheets and 3D models of the standard types as well as application-related coupling types are available on request. Please contact jbj Techniques Limited technical office, telephone +44 (0)1737 767493 or email: info@jbj.co.uk Materials MFHFM ■ ■ ■ specially for greater shaft distances (up to 6,500mm) MCECM The design of an N-ARPEX type NEN is shown in illustration, figure 1. The coupling comprises two hubs, an intermediate spacer and two plate packs that in the ARN-6 series are bolted together alternatingly with close-fitting bolts and in the ARN-8/-10 series by means of a Flender conical screw connection. The coupling is available in fixed lengths from stock. Other spacer lengths are manufactured to order. Hubs are designed with threaded pull-off holes. The following illustration figure 3, shows the N-ARPEX type MFEFM. It most differs from the type MCECM by the considerably increased bore capacity, for which reason this type is intended precisely for comparatively large shaft diameters. The coupling is available in fixed lengths from stock. Other spacer lengths are manufactured to order. Hubs are designed with threaded pull-off holes. ARN-6 ARN-8 ARN-10 MFEFM Type Series Description NEN ■ ■ ■ Variant with intermediate spacer machined on all sides, length variable NEN BEB ■ – – Variant with intermediate spacer machined on all sides Variants of the N-ARPEX coupling, ARN-6/-8/-10 series The design of an N-ARPEX type MCECM is shown in illustration, figure 2. The coupling comprises two hubs and a pre-assembled intermediate unit (CEC), where the plate packs are bolted together with an intermediate spacer and intermediate flanges at the factory. All that needs be done at the construction site is to bolt the hubs with the intermediate flanges. The coupling is available in fixed lengths from stock. Other spacer lengths are manufactured to order. Hubs are designed with threaded pull-off holes. MCECM ■ ■ – Variant with preassembled intermediate unit and intermediate spacer machined on all sides, length variable NHN ■ ■ ■ Version with variable spacer tube – specially for greater shaft distances (up to 6,500mm) MFEFM ■ ■ ■ MCHCM ■ ■ – Version with pre-assembled intermediate unit and with variable spacer tube – Figure 1 Figure 2 Figure 3
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