Three new N-Eupex couplings and optimised flexible elements

Flender is increasing the portfolio of its versatile coupling sequence N-Eupex by introducing three new varieties. The new merchandise enable customers further flexibility in their techniques with out dropping the compact design and excessive load capacity of a pin coupling.
The new N-Eupex ERN is supplied with a torque limiter, which offers even more
security in the drivetrain in plenty of functions. The coupling variant permits users to
specify a most torque so that critical torques for the motor and output machine
aren’t transmitted. Machines and methods are protected from overload and
harm, thus significantly rising system availability.
With the N-Eupex B plus clamping component, Flender introduces a second new
coupling that ensures frictionally engaged clamping connections. In this case, the
plain, cylindrical machine shaft end is connected to the coupling hub by way of a clamping
connection without a feather key and repair capability is elevated. For instance,
meeting or alternative of worn elastomers can be carried out rather more easily.
No connecting machine parts have to be moved, the time required is halved
and so is the downtime of the machine.
With the N-Eupex DKS, a new double-cardanic coupling is introduced as a “short
version” into Flender’s modular system. While the DK sort, which was launched in
2020, addresses the pump market with commonplace growth pieces for normed shaft
distances, the DKS is the shortest potential double-cardanic solution for the market.
The shortened total length permits cost-optimized use with a small shaft distance
dimension without shedding the advantages of a double-cardanic coupling connection.
New elastomers for the pin couplings spherical off the modular extensions. In addition
to the previously used rubber elements made of NBR, Flender now additionally offers
elastomers made of thermoplastic polyurethane (TPU). Following the torque
improve for all N-Eupex couplings with NBR packings in 2020, the use of TPU
packings allows the power density to be elevated by another 20 p.c on
average. For sizes 300 and above, the familiar NBR elastomer is mixed with
cloth inserts and the torque capability is once more raised.
“With Shocking to the lengthy tradition of cam couplings, our improvement engineers are
systematically working on growing the number of mixtures even additional. The
2022 enhancements give our customers a extensive range of sustainable options for
optimizing their machines and systems much more and lowering upkeep,”
explains André Artmann, Head of Coupling Sales.
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