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Another essential part of the drum brake system is the wheel cylinder. Located at the top of the brake assembly, it houses pistons that are activated when hydraulic pressure from the brake fluid is applied. The wheel cylinder pushes the brake shoes outward, creating friction against the drum. This hydraulic mechanism allows for smooth and powerful braking with minimal effort from the driver.
components of a drum brake

Einer der Hauptvorteile von Trommelbremsen mit hochwertigen Bremsankerplatten ist die Fähigkeit, eine gleichmäßige Bremskraft zu erzeugen. Dies ist besonders wichtig, da eine ungleiche Bremskraft zu einem schlechten Bremsverhalten und einer verminderten Fahrzeugkontrolle führen kann. Eine wellenförmige oder verzogene Bremsankerplatte kann dazu führen, dass die Bremsbacken nicht gleichmäßig auf die Bremsfläche der Trommel drücken, was zu einer unzureichenden Verzögerung und möglicherweise zu gefährlichen Fahrsituationen führt.
drum brake backing plates

The weight of the brake drum also has implications for the vehicle's suspension and handling. A heavier drum can contribute to a lower center of gravity, which enhances the vehicle’s stability. However, it also means that the vehicle may require additional power from the engine to handle the increased weight, particularly during acceleration and maneuvering.
3600a brake drum weight

Uma das grandes vantagens dos tambores de freio é a sua capacidade de lidar com altas temperaturas. Em situações de uso intenso, como em descidas acentuadas ou em terrenos difíceis, os tambores conseguem dissipar o calor de maneira eficiente, reduzindo o risco de perda de eficiência de frenagem, um fenômeno conhecido como fading. Para os proprietários de Land Rover Series, esta característica é um grande benefício, pois permite que o veículo enfrente desafios em trilhas e estradas difíceis sem comprometer a segurança.
land rover series brake drum
