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How drum brakes work?

Jan 02, 2025

How They Work

  1. Hydraulic Pressure: The brake system is activated by hydraulic pressure, which is generated by a pump or an accumulator.
  2. Brake Shoes/Linings: When hydraulic pressure is applied, it forces brake shoes (also known as brake linings) against the rotating drum.
  3. Friction: The contact between the brake shoes and the drum generates friction, which slows down or stops the rotation of the drum.
  4. Drum: The drum is typically attached to the rotating part of the machinery, such as a wheel or a shaft.
  5. Release Mechanism: Once the hydraulic pressure is released, springs or another mechanism retracts the brake shoes, allowing the machinery to move freely again.
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