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Servo couplings are precision-engineered components designed to connect servo motors to driven elements, ensuring efficient torque transmission while accommodating various types of misalignment, such as axial, angular, and radial. Essential in applications that demand high responsiveness and accuracy, like robotics, CNC machinery, and precision automation systems, servo couplings protect connected components from undue stress and wear. By absorbing misalignments, they enhance system stability and accuracy, making them indispensable in high-performance environments.
The advantages of servo couplings go beyond simple connection. Their high torsional stiffness supports accurate torque transmission with minimal backlash, which is crucial for precise positioning. Certain types, such as elastomeric couplings, also provide vibration damping to improve system performance and longevity. With a range of designs and materials available, servo couplings can be customized to meet specific application needs, ensuring versatility and reliability across various demanding use cases.
Feature torque capacities from 0.44 Nm to 2,500 Nm and high torsional rigidity with low inertia, zero backlash, and misalignment compensation. They operate at temperatures up to 570°F without limitations and require no maintenance. The patented Press-Fit method securely joins the bellows to the hubs, making them ideal for harsh environments where glued connections might fail. These couplings can reach rotational speeds of up to 25,000 RPM without the need for additional balancing.
Elastomer Couplings
Use elastomer spiders with shore hardness ratings from 72-D to 98-A to dampen vibrations from system resonance. These couplings offer an affordable option when high stiffness is not essential. The involute-shaped teeth of the elastomer spider and jaws are preloaded, ensuring they won’t loosen over time, and they maintain zero backlash while allowing for simple plug-in assembly.
Safety Couplings
Deliver high torque capacity with single-point 360° re-engagement. They feature low inertia, high torsional stiffness, and zero backlash, with the added benefit of misalignment compensation. These couplings are also designed to operate effectively at high temperatures, ensuring reliable performance in demanding applications.
Distance Couplings
Spans axial lengths of up to 20 feet without needing intermediate bearings. These couplings are precision-machined to specific lengths and balanced for high-speed operation. With a design that allows easy, one-person assembly, they maintain zero backlash, high torsional stiffness, and compensate for shaft misalignments to help prevent premature bearing failure—even at extended distances.
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