« Back to Dictionary Index
A band brake is a type of braking mechanism that consists of a flexible band wrapped partially around the periphery of a wheel or drum. Here are the key characteristics and operation of a band brake:
- Structure: The band brake includes a flexible band made of friction material (often lined with brake lining) that wraps around the circumference of a drum or wheel.
- Anchoring: One end of the band is anchored or fixed to a stationary part of the machine or vehicle.
- Application of Force: The braking force is applied to the other end of the band. This can be done manually (such as with a lever or pedal) or through mechanical means (such as a linkage system or hydraulic mechanism).
- Frictional Contact: When the brake is engaged, the friction material on the inner surface of the band presses against the outer surface of the drum or wheel, generating frictional force.
- Braking Action: The frictional force between the band and the drum or wheel creates resistance, which slows down or stops the rotation of the drum or wheel.
- Applications: Band brakes are commonly used in various applications where moderate braking force is required, such as in industrial machinery, agricultural equipment, motorcycles, and bicycles. They are particularly effective in applications where space and weight are limited.
- Advantages: Band brakes are relatively simple in design, cost-effective, and suitable for applications where gradual braking and heat dissipation are important considerations.
- Limitations: They may not provide as precise braking control or as high performance as other types of brakes, such as disc brakes or drum brakes, particularly in vehicles requiring rapid deceleration or high braking torque.
In summary, band brakes offer a straightforward and reliable method of braking by using friction between a flexible band and a rotating drum or wheel to slow down or stop motion in various mechanical and vehicular applications.
See
- brake band