Coupling

Couplings can be classified into various categories based on different criteria. Here are some common classifications of couplings:

Mechanical Flexibility:

Flexible Couplings: Designed to accommodate misalignment between shafts.
Rigid Couplings: Provide a solid connection without flexibility for precise alignment.
Connection Type:

Flange Couplings: Connect shafts via flanges with bolts or screws.
Clamp Couplings: Use clamps to secure shafts together.
Keyed Couplings: Shaft connection is maintained by keys and keyways.
Motion Transmission:

Torque Couplings: Transmit torque between shafts.
Motion Couplings: Transmit motion without transmitting torque, like in belt or chain drives.
Specific Applications:

High-Speed Couplings: Designed for applications with high rotational speeds.
High-Torque Couplings: Suitable for transmitting high levels of torque.
Low-Backlash Couplings: Minimize backlash for precision motion control applications.
Material and Design:

Metallic Couplings: Made of metal for durability and strength.
Elastomeric Couplings: Utilize elastic elements for vibration damping and shock absorption.
Composite Couplings: Constructed from composite materials for specific application requirements.
Alignment Requirements:

Self-Aligning Couplings: Automatically compensate for minor misalignments.
Non-Aligning Couplings: Require precise alignment during installation.
These classifications help in selecting the most appropriate coupling for a particular application based on factors such as torque requirements, misalignment, speed, and environmental conditions.