Flexible mechanical coupling
flangetorsionally flexibleelastomer

flexible mechanical coupling
flexible mechanical coupling
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flexible, flange, torsionally flexible, elastomer, jaw
Application domain
for boats, for ships
for shafts
Other characteristics
misalignment correction, anti-vibration, shaft-hub, torque, non-lubricated, compensating, large-size, high-torque, with high torsional flexibility, zero-backlash, 3-part


Large stocks for quick delivery and in-house machine shop for exact fit to your application machinery. ‍Telephone: +44 (0)1737 767493 or email: info@jbj.co.uk‍‍ The flexibility of the drive ring allows the power transmission coupling to compensate for parallel, angular and axial displacements. Maximum shaft diameters of 145 mm can be accommodated with maximum torques up to 15,000 Nm and maximum speeds of 19,000 rpm. • Torsional elasticity • Dampening • Blind assembly • Safe against break-down • No maintenance • Hub material: Aluminium (Al), Cast Iron (GG/GGG), Sintered Steel (Si), Steel (St). The important information you need for these spider / jaw type mechanical power transmission couplings: below you will find~ » Service factors (link). » Displacement values (link). » Torque ratings (link). » Increase the life of your spider coupling elements (link). Spidex power transmission couplings are torsionally flexible shaft couplings, the operating characteristics of which are two hubs with concave claws, transmitting the torque by meshing with an elastic involute gear ring. The spider coupling concept gives a reliable, smooth power transmission without torsional oscillation / vibration and so protects the connected machinery. Due to the complete flexibility and ductility of the elastomer ring, it compensates for parallel and angular displacements as well as to absorb longitudinal movement of the shafts. The involute teeth of the elastomeric inserts are crowned in order to avoid edge pressure on the tooth flanks and so avoid undesirable axial thrust.


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