Three new N-Eupex couplings and optimised flexible components

Flender is increasing the portfolio of its versatile coupling collection N-Eupex by introducing three new varieties. The new products permit customers further flexibility in their methods without losing the compact design and high load capability of a pin coupling.
The new N-Eupex ERN is equipped with a torque limiter, which supplies even more
security in the drivetrain in many applications. The coupling variant permits customers to
specify a maximum torque so that crucial torques for the motor and output machine
usually are not transmitted. Machines and methods are protected against overload and
harm, thus considerably growing system availability.
With the N-Eupex B plus clamping factor, Flender introduces a second new
coupling that ensures frictionally engaged clamping connections. In this case, the
plain, cylindrical machine shaft finish is linked to the coupling hub by way of a clamping
connection without a feather key and service capacity is increased. For Hidden ,
assembly or substitute of worn elastomers can be carried out much more easily.
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 new double-cardanic coupling is introduced as a “short
version” into Flender’s modular system. While the DK kind, which was launched in
2020, addresses the pump market with commonplace enlargement items for normed shaft
distances, the DKS is the shortest possible double-cardanic resolution for the market.
The shortened overall size allows cost-optimized use with a small shaft distance
dimension with out losing the advantages of a double-cardanic coupling connection.
New elastomers for the pin couplings round off the modular extensions. In Confessions
to the beforehand used rubber elements manufactured from NBR, Flender now additionally provides
elastomers made from thermoplastic polyurethane (TPU). Following the torque
enhance for all N-Eupex couplings with NBR packings in 2020, using TPU
packings allows the facility density to be increased by one other 20 p.c on
common. For sizes 300 and above, the acquainted NBR elastomer is mixed with
material inserts and the torque capability is again raised.
“With a view to the lengthy custom of cam couplings, our improvement engineers are
systematically working on rising the variety of mixtures even additional. The
2022 enhancements give our users a variety of sustainable options for
optimizing their machines and methods even more and decreasing upkeep,”
explains André Artmann, Head of Coupling Sales.
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