© Siemens AG 2015
FLENDER Standard Couplings Torsionally Rigid All-Steel Couplings — ARPEX ARC-8/-10 Series General information
■ Design The classic design of an ARPEX coupling of the ARC-8/-10 series type NEN is shown in the following illustration. The plate packs are bolted alternately between the flanges of the coupling hubs and the intermediate spacer.
Conical screw connections are used for fastening. The intermediate spacer lengths are variably designed according to customer specifications.
Hub Plate pack
Intermediate spacer Hub
6
Tightening screw Washer
Taper sleeve Taper bolt Screw plug
G_MD10_EN_00154a
Design of an ARPEX coupling, ARC-8/-10 series, type NEN
Variants of the ARPEX coupling, ARC-8/-10 series Types NEN NHN BUB MFEFM MFHFM
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Variant with intermediate spacer machined on all sides, length variable Variant with unmachined intermediate spacer, length variable Compact variant with split intermediate spacer for short shaft distances Variant with preassembled intermediate unit and machined intermediate spacer, length variable Variant with preassembled intermediate unit and unmachined intermediate spacer, length variable
Siemens MD 10.1 · 2015
The coupling parts of the ARPEX ARC-8/-10 series with the exception of the H spacers have been machined on all sides. These are delivered with unmachined and primed spacer tube. Further application-specific coupling types are available in selection module X.CAT NG at www.siemens.com/couplings. Dimension sheets and further information are available on request.