Three new N-Eupex couplings and optimised versatile components

Flender is increasing the portfolio of its versatile coupling series N-Eupex by introducing three new sorts. The new merchandise permit users additional flexibility of their techniques with out dropping the compact design and high load capacity of a pin coupling.
The new N-Eupex ERN is provided with a torque limiter, which provides much more
security in the drivetrain in many purposes. Cinch coupling variant allows customers to
specify a most torque so that important torques for the motor and output machine
usually are not transmitted. Machines and systems are protected from overload and
harm, thus significantly rising 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 via a clamping
connection without a feather key and service capability is increased. For instance,
assembly or replacement of worn elastomers could be carried out rather more simply.
No connecting machine elements have to be moved, the time required is halved
and so is the downtime of the machine.
With the N-Eupex DKS, a brand 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 standard enlargement items for normed shaft
distances, the DKS is the shortest possible double-cardanic solution for the market.
The shortened overall length allows 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 round off the modular extensions. In addition
to the beforehand used rubber elements made from NBR, Flender now also presents
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 another 20 % on
average. 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 growth engineers are
systematically working on rising the number of combos even further. The
2022 enhancements give our customers a variety of sustainable options for
optimizing their machines and systems even more and reducing maintenance,”
explains André Artmann, Head of Coupling Sales.
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