ROTEX Torsionally flexible couplings

ROTEX® couplings from HAW are characterised by small dimensions, low weight and low mass moments of inertia yet transmit high torques. Running quality and service life of the coupling are improved by accurate all-over machining.

These couplings from HAW are deal for transmitting torque while damping torsional vibrations and absorbing shocks produced by the uneven operation of certain prime movers.

Operational vibrations and shocks are efficiently dampened and reduced. The two congruent coupling halves with concave claws on the inside are peripherally offset in relation to one another by half a pitch. In addition, they are designed in such a way as to enable an involute spider to be located between them.

The teeth of the spider are crowned to avoid edge pressure if the shafts are misaligned. ROTEX® - couplings are capable of compensating for axial, radial and angular displacements of the shafts to be connected.

• High mechanical consistency
• High stiffness
• High thermal stability (100°C)
• Good viscosity even in case of low temperatures
• Favourable slide-friction behaviour
• Very good electrical insulating property
• Good resistance to chemicals
• Good dimensional accuracy

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Performance

In contrast to other flexible couplings, the intermediate members of which are subject to bending stress and are therefore prone to earlier wear, the flexible teeth of ROTEX® couplings are subject to pressure only. This gives the additional advantage of the individual teeth being able to accept considerably higher loads. The elastomer parts show deformation with load and excessive speeds. Sufficient space for expansion should be ensured.

• The maximum torsion angle with ROTEX® couplings of any size amounts to 5°
• They can be fitted both horizontally and vertically
• An operating temperature range of - 40° to 100° C
• Transient temperature peaks up to + 120° C do not cause any damage to the coupling

Made for motion, the KTR product line offers leading brake and drive solutions. As a comprehensive power transmission range, KTR supplies couplings, brake systems, torque limiters, clamping sets, torque measuring and hydraulic components that offer advanced and precise performance in a large variety of applications.