1. Aircraft Brakes

2. Aircraft Brakes PURPOSE
Used to slow the aircraft down during landing roll on the runway and
To aid in directional control during ground handling operations as taxiing, steering and parking
OPERATION
The brake systems are operated by hydraulic pressure and the rudder pedals

3. Airbus A320 Main Landing Gear Wheel Removal _ Installation - YouTube
Airbus A320 Main Landing Gear Wheel Removal _ Installation - YouTube.MP4A320
Brake Assy - how does it work airplane brakes! - YouTube.MP4

4. Wheel brakes The wheel brakes are usually made of Disc type Drum type
With this model the two brake shoes are operated by either pneumatic (air) or hydraulic (oil) pressure or maybe even manually with a cable (very rare)

5. Wheel brakes Disc brakes Very popular as they are light weight
Disc sits between the braking pads clamping them when brake pressure is applied.
For heavier aircraft multiple brake calipers and or multiple discs can be used to increase braking capacity.
The clamping part, caliper, contains two brake pads and is self centering.