brake shoes
Brake shoes are essential components of drum brake systems, serving as the primary friction elements that create the stopping force needed to slow down or halt a vehicle. These curved metal platforms, lined with high-friction material, press against the inner surface of the brake drum when the brake pedal is engaged. The design incorporates a curved shape that matches the drum's interior diameter, maximizing contact area for optimal braking performance. When activated, hydraulic or mechanical force pushes the brake shoes outward, causing them to make contact with the rotating drum. This contact generates friction, converting kinetic energy into heat and effectively slowing the vehicle. Modern brake shoes feature advanced friction materials that offer superior heat resistance and durability, ensuring consistent performance across various driving conditions. The assembly includes return springs that retract the shoes when braking pressure is released, maintaining proper clearance and preventing unwanted contact. These components are crucial in heavy-duty vehicles, particularly in rear brake systems where drum brakes remain prevalent due to their excellent parking brake capabilities and cost-effectiveness.