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QPL15-B Model Pneumatic Disc Braking System's Components

Aug 11, 2025

  • : The disc rotor is a crucial part of the system, typically made of high - strength, heat - resistant materials such as cast iron or composite alloys. It is mounted on the wheel hub and rotates with the wheel. The large surface area of the disc allows for effective heat dissipation during braking, preventing overheating and ensuring consistent performance even under heavy - duty conditions.
  • : The brake caliper houses the braking mechanism. It is equipped with one or more pistons that are actuated by compressed air. When the air pressure is applied, the pistons push the brake pads against the disc rotor, creating friction and slowing down or stopping the rotation of the wheel. The caliper is designed to be durable and precise, ensuring accurate alignment of the brake pads with the disc.
  • : These are the friction - generating elements of the system. Made from materials like semi - metallic, organic, or ceramic compounds, the brake pads are engineered to provide optimal friction while minimizing wear and noise. They are replaceable components, allowing for easy maintenance and cost - effective operation over the lifespan of the braking system.
  • : The pneumatic actuator is responsible for converting the compressed air pressure into mechanical force to actuate the brake caliper. It consists of a cylinder, piston, and seals that ensure airtight operation. The actuator is designed to respond quickly to changes in air pressure, providing instant braking action when required.
  • : This includes components such as an air compressor, air reservoir, air lines, and valves. The air compressor generates compressed air, which is stored in the air reservoir for use when braking is needed. The air lines transport the compressed air from the reservoir to the pneumatic actuator, and the valves control the flow and pressure of the air, enabling precise braking control.
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