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 sorts. The new merchandise enable users further flexibility in their methods without losing the compact design and excessive load capability of a pin coupling.
The new N-Eupex ERN is provided with a torque limiter, which provides much more
safety in the drivetrain in many applications. The coupling variant allows users to
specify a maximum torque in order that important torques for the motor and output machine
are not transmitted. Machines and systems are protected from overload and
damage, thus considerably growing system availability.
With the N-Eupex B plus clamping element, Flender introduces a second new
coupling that ensures frictionally engaged clamping connections. In this case, the
plain, cylindrical machine shaft finish is related to the coupling hub by way of a clamping
connection with no feather key and repair capability is increased. For instance,
meeting or substitute of worn elastomers may be carried out rather more easily.
No connecting machine elements should be moved, the time required is halved
and so is the downtime of the machine.
With the N-Eupex DKS, a model new double-cardanic coupling is introduced as a “short
version” into Flender’s modular system. While เพชเชอร์เกจ , which was launched in
2020, addresses the pump market with commonplace expansion items for normed shaft
distances, the DKS is the shortest potential double-cardanic resolution for the market.
The shortened overall size permits cost-optimized use with a small shaft distance
dimension without losing some great benefits of a double-cardanic coupling connection.
New elastomers for the pin couplings spherical off the modular extensions. In addition
to the beforehand used rubber parts made of NBR, Flender now also offers
elastomers made from thermoplastic polyurethane (TPU). Following the torque
enhance for all N-Eupex couplings with NBR packings in 2020, the usage of TPU
packings permits the power density to be elevated by one other 20 percent on
common. For sizes 300 and above, the acquainted NBR elastomer is combined with
material inserts and the torque capability is again raised.
“With a view to the long tradition of cam couplings, our development engineers are
systematically engaged on growing the number of combos even further. The
2022 enhancements give our users a broad range of sustainable options for
optimizing their machines and systems much more and decreasing maintenance,”
explains André Artmann, Head of Coupling Sales.
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