SIEMENS
FLENDER Standard Couplings
Torsionally Rigid All-Steel Couplings — ARPEX ARC-8/-10 Series
General information
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Siemens MD 10.1 · 2015
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Design
The classic design of an ARPEX coupling of the ARC-8/-10 se-
ries 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 interme-
diate spacer lengths are variably designed according to cus-
tomer specifications.
Design of an ARPEX coupling, ARC-8/-10 series, type NEN
Variants of the ARPEX coupling, ARC-8/-10 series
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./couplings
.
Dimension sheets and further information are available on re-
quest.
Hub
Hub
Intermediate spacer
Tightening screw
Plate pack
Taper sleeve
Washer
Taper bolt
Screw plug
G_MD10_EN_00154a
Types
NEN
Variant with intermediate spacer machined on all sides,
length variable
NHN
Variant with unmachined intermediate spacer,
length variable
BUB
Compact variant with split intermediate spacer for
short shaft distances
MFEFM
Variant with preassembled intermediate unit and
machined intermediate spacer, length variable
MFHFM
Variant with preassembled intermediate unit and
unmachined intermediate spacer, length variable
© Siemens AG 2015