| Standard Or Nonstandard: | Standard |
|---|---|
| Shaft Hole: | 19-32 |
| Torque: | >80N.M |
|
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NM couplings, also known as flexible couplings or torsionally flexible couplings, are designed to connect two rotating shafts and transmit torque while accommodating misalignment and reducing vibrations. They are commonly used in various applications, including industrial machinery, pumps, and power transmission systems.
The NM coupling consists of two hubs and a flexible element that connects them. The hubs are typically made of high-quality materials such as steel or aluminum and have a cylindrical shape with a central bore that fits onto the respective shafts to be connected.
The flexible element of the NM coupling is what sets it apart. It is usually made of a synthetic elastomeric material, such as neoprene or natural rubber, which provides flexibility and damping properties. This flexible element is placed between the hubs and acts as a buffer, absorbing shocks, vibrations, and misalignment between the shafts.
One of the key advantages of NM couplings is their ability to compensate for angular, parallel, and axial misalignment between the connected shafts. The flexible element allows for slight movement and deformation, reducing stress on the shafts and minimizing wear on the system components.
Another advantage of NM couplings is their ability to dampen vibrations and shocks. The flexible element absorbs and dissipates vibrations, protecting the connected components from excessive forces and minimizing noise and wear in the system. This makes NM couplings suitable for applications that require smooth and quiet operation.
Maintenance of NM couplings typically involves regular inspections for wear or damage, proper lubrication if applicable, and the replacement of any worn or damaged flexible elements. Following the manufacturer's guidelines for maintenance is crucial to ensure optimal performance and longevity of the couplings.
NM couplings find applications in various industries where torque transmission, misalignment compensation, and vibration dampening are essential. From pumps and compressors to conveyors and mixers, NM couplings continue to be a reliable and efficient choice for smooth and reliable power transmission.
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