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Couplings

Couplings
Couplings
A coupling is a device used to connect two shafts together at their ends to transfer power. Their primary purpose is joining two pieces of rotating equipment together while permitting some degree of misalignment, end movement, or both.

Couplings are most commonly used to transfer power from a motor to a pump, connect shafts of two machines manufactured separately, provide mechanical flexibility, prevent shock and vibrations from transferring from one piece of equipment to another, and potentially slip when torque overload occurs.

They typically feature two rigid parts that fit around the end of two shafts to form a sleeve. A hub sits between the teeth to provide the buffer between each coupling half. Flexible couplings provide similar results with a one-piece aluminum body design to shift under differential torque loads.

ROTEX Series Image
Rotex couplings are designed to transmit torque between drive and driven components via curved jaw hubs and elastomeric elements commonly known as spiders. The combination of these components provides dampening and accommodation for misalignments. This product is available in a variety of metals, elastomers and mounting configurations to meet your specific needs. Rotex couplings suitable for horizontal or vertical applications are constructed from a variety of materials and geometries providing a torsionally flexible platform optimizing the balance between inertia, coupling performance and application requirements. The machined concaved jaws provide a pocket for the crowned spider legs, allowing the hubs to articulate freely while accommodating misalignment, minimizing restoring forces, dampening shock and vibration while providing failsafe torque transmission. The symmetrical relationship of the hubs allows for a variety of accessories to accommodate different shaft distances.
BoWex Series Image
BoWex couplings are designed to transmit torque between drive and driven components via curved tooth hubs and a nylon sleeve. The combination of these components provides a torsionally stiff connection and accommodation for misalignments. This product is available in materials and elements that are optimized for close coupled applications. BoWex couplings, suitable for horizontal or vertical applications, are constructed from a variety of materials providing a torsionally stiff platform optimizing the balance between coupling performance and application requirements. The double-crowned tooth reduces edge loading while accommodating misalignments and transmitting torque. The symmetrical relationship of the hubs and floating nylon sleeve allows for minimal maintenance in a close coupled design.
ROTEX GS Series Image
Rotex GS couplings are designed to transmit torque between drive and driven components with zero-backlash via curved jaw hubs and elastomeric elements, commonly known as spiders. The combination of these components provides dampening and accommodation of misalignment. This product is available in a variety of metals, elastomers and mounting configurations to meet your specific needs. Rotex GS couplings suitable for horizontal or vertical applications are constructed from a variety of materials and geometries, providing a torsionally flexible zero-backlash platform optimizing the balance between inertia, coupling performance and application requirements. The machined concaved jaws provide a pocket to preload the spider legs, allowing the spiders to articulate freely while accommodating misalignment, minimizing restoring forces, dampen shock and vibration, while providing failsafe zero-backlash torque transmission. The symmetrical relationship of the hubs allows for a variety of accessories to accommodate different shaft distances.
Rotex Series Image
  • Axial Plug In
  • Flexible
  • Fail Safe
KTR Rotex Couplings are a three part, axial plug-in coupling that are torsionally flexible and designed for positive torque transmission. Operational vibrations and shocks are efficiently dampened and reduced. The two congruent coupling halves with concave claws on the inside are periphally 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.
  • Material Saving Using Smaller Shaft and Hub Dimensions
  • Suitable for Modern Drive Systems
  • Ideal for Drives with High Vibratory Loads, e.g. Acceleration and Braking
  • Produce Connections That Are Permanently Free from Destruction, i.e. No Shearing off of Keyways, Dowel Pins, Pins, etc.
  • Specifically Suitable for High-Speed Drives
  • Machine Components by Slipping (Repeated Slipping Should Be Avoided)
Clampex are keyless clamping devices designed to transmit torque via friction on mating components. These designs produce high transmittable torque while providing uniform loading. They are available in a variety of designs and configurations to accommodate application requirements. Clampex are keyless clamping devices utilizing a dual taper design to frictionally connect a shaft and a hub. An even clamping force is obtained by tightening the locking bolts allowing Clampex to transmit high torques, axial loads and bending moments.
POLY-NORM Series Image
POLY-NORM couplings are designed to transmit torque between drive and driven components via encapsulated elastomeric elements within flat jaw hubs. The combination of these components provides dampening and accommodation for misalignments. This product is available in materials and elements that are optimized for close coupled applications. POLY-NORM couplings suitable for horizontal or vertical applications are constructed from a variety of ferrous materials providing a torsionally flexible platform optimizing the balance between coupling performance and application requirements. The flat jaw dampens shock and vibration while providing failsafe torque transmission. The symmetrical relationship of the hubs and length to diameter ratio is ideal for close coupled systems.
Radex-N couplings are designed to transmit torque between drive and driven components via steel hubs and flexible metallic elements commonly known as discs. The combination of these components provides high stiffness with accommodation for misalignments. This product is available in a variety of shaft gaps to meet your specific needs. Radex-N is a zero-backlash, torsional rigid, lubrication-free coupling suitable for horizontal or vertical applications constructed from a variety of steel alloys, reducing the need for coupling maintenance. This accommodates misalignment while maintaining a torsionally rigid platform capable of high speeds, temperatures and torques. The precision machined hubs are available in a variety of hub mounting designs, optimized to accommodate maximum bore sizes while utilizing stainless disc pack(s) and several spacer combinations to accommodate misalignments while minimizing restoring forces.
Couplings are designed to transmit torque between drive and driven components via metallic hubs and flexible disc elements. The combination of these components provides high torsional stiffness, low inertia and zero-backlash with accommodation for misalignments. This product is available in either single or double-cardanic disc design to meet your specific needs. Couplings, suitable for horizontal or vertical applications, are constructed in a variety of geometries providing a torsionally stiff, zero-backlash platform optimizing the balance between low-inertia, coupling performance and application requirements. The disc design allows for misalignment and high ambient temperatures while remaining torsionally stiff.
POLY couplings are designed to transmit torque between drive and driven components via encapsulated elastomeric elements in shear. The combination of these components provides dampening and accommodation for misalignments. This product is available in materials and elements that are optimized for close coupled applications. POLY couplings, suitable for horizontal or vertical applications, are constructed from a variety of ferrous materials providing a torsionally flexible platform optimizing the balance between coupling performance and application requirements. The elastomer blocks are in shear, secured within the hubs, dampening shock and vibration while transmitting torque. The relationship of the hubs and elastomer allow for drive and driven separation in the event of overload within a close coupled system.
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