Bellows couplings are well known in highly dynamic precision applications because of their continuous symmetry, high torsional rigidity, and low moment of inertia. Many of the same characteristics are also very well suited to high speed operation. Standard design balance for bellows couplings is typically up to 10,000 rpm, with the limiting factor being only the clamping hubs for attachment to the drive shafting, and with additional balancing allowing for much higher operational speeds. Drawing on its years of experience in designing and manufacturing special bellows couplings for extreme speed (up to 150,000 rpm), R+W has released a new standard design.
The new SP3 coupling features an integral clamping ring system, with the base hub components held to a very high level of concentricity between the two respective bores during the assembly process. The external clamping ring provides the advantage of symmetrical construction even when it comes to the small amounts of deformation during clamping compression onto the shafts. Any small inconsistencies in tightening the clamping system are contained to the ring itself, with the coupling straightness remaining highly accurate during installation. Available sizes range from 60 Nm to 500 Nm, with much higher torque capacities, custom flanges and materials on request.
R+W America
Phone:
(630) 521-9911
URL:
www.rw-america.com
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