Notes

Three new N-Eupex couplings and optimised flexible elements
Flender is increasing the portfolio of its versatile coupling series N-Eupex by introducing three new types. The new products allow users additional flexibility in their techniques without losing the compact design and high load capability of a pin coupling.
The new N-Eupex ERN is supplied with a torque limiter, which offers much more

security within the drivetrain in plenty of functions. The coupling variant allows users to

specify a maximum torque so that crucial torques for the motor and output machine

aren't transmitted. Machines and methods are protected from overload and

injury, thus significantly increasing 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 end is connected to the coupling hub by way of a clamping

connection without a feather key and repair capability is increased. For example,
meeting or substitute of worn elastomers can be carried out much more simply.
No connecting machine components 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 launched as a “short

version” into Flender’s modular system. While the DK type, which was launched in

2020, addresses the pump market with standard expansion pieces for normed shaft

distances, the DKS is the shortest potential double-cardanic resolution for the market.
The shortened general size allows cost-optimized use with a small shaft distance

dimension with out dropping the advantages of a double-cardanic coupling connection.
New elastomers for the pin couplings spherical off the modular extensions. In เพรสเชอร์เกจคือ

to the previously used rubber components manufactured from NBR, Flender now also provides

elastomers made of 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 p.c on

common. For sizes 300 and above, the familiar NBR elastomer is combined with

material inserts and the torque capability is once more raised.
“With a view to the lengthy tradition of cam couplings, our improvement engineers are

systematically working on increasing the number of combinations even further. The

2022 enhancements give our users a broad range of sustainable choices for

optimizing their machines and systems even more and reducing upkeep,”

explains André Artmann, Head of Coupling Sales.
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