Three new N-Eupex couplings and optimised versatile elements

Flender is increasing the portfolio of its flexible coupling sequence N-Eupex by introducing three new varieties. The new merchandise allow customers extra flexibility of their techniques with out losing the compact design and high load capability of a pin coupling.
The new N-Eupex ERN is equipped with a torque limiter, which offers much more
security in the drivetrain in many purposes. The coupling variant allows customers to
specify a most torque so that important torques for the motor and output machine
are not transmitted. Machines and methods are protected against overload and
harm, thus significantly growing 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 finish is connected to the coupling hub via a clamping
connection without a feather key and repair ability is increased. For instance,
assembly or replacement of worn elastomers may be carried out much 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 launched as a “short
version” into Flender’s modular system. While the DK sort, which was launched in
2020, addresses the pump market with standard expansion items for normed shaft
distances, the DKS is the shortest potential double-cardanic answer for the market.
The shortened general length allows cost-optimized use with a small shaft distance
dimension with out shedding the benefits of a double-cardanic coupling connection.
New elastomers for the pin couplings round off the modular extensions. In Swipe
to the beforehand used rubber elements manufactured from NBR, Flender now also offers
elastomers manufactured from thermoplastic polyurethane (TPU). Following the torque
increase for all N-Eupex couplings with NBR packings in 2020, the utilization of TPU
packings permits the facility density to be increased by one other 20 p.c 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 rising the variety of combos even further. The
2022 enhancements give our users a variety of sustainable options for
optimizing their machines and methods even more and reducing upkeep,”
explains André Artmann, Head of Coupling Sales.
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