Facts About Couplings

A coupling is a lead-free metal part that is used to connect two shafts to transmit power. Their primary purpose is to join the shafts while allowing for a specific amount of misalignment or movement. These are strong parts that prevent the shafts from separating. However, couplings Ontario and other places can refer to any metal part designed to join parts. If you need the right part for your application, read on to learn some basic facts. 


Couplings serve several purposes in many types of machines. Their primary job is to allow power transmission from one part of a machine to the other. However, they can also alter vibration, connect driving and driven parts, protect parts, reduce shock loads, and slip when an overload occurs to minimize expensive damage. 


Compression or clamped couplings have two pieces that fit around a shaft like a sleeve. This style tends to be flexible and is used on fixed shafts. However, they tend to be large and require that screws hold them in place. 

Flanged couplings are used for heavy-duty and industrial equipment. This type has short sleeves with perpendicular flanges attached. These are installed on shafts, so the flanges are aligned. Screws and bolts are then used to hold the flanges together. They are also a good option because the shafts don’t need to be aligned before the couplings are attached. 

Proper Alignment

You can tell when your couplings are in proper alignment. This is because they will be easy to connect, allow for the necessary misalignment, and the parts will be lined up. To get a proper alignment, you will need to focus on minimizing the misalignment. You can do this by following the manufacturer’s instructions. 

Couplings are crucial for many applications. These basic facts can help you choose the right part and properly maintain it. 


Alison Lurie

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