Brake Shoe

Writer： admin Time：2024-04-16 23:21:20 Browse：213℃

                                                                                Brake Shoe

A brake shoe is an essential part of a drum brake system, commonly used in trucks, cars, and other vehicles. It is a curved piece of metal with a lining of friction material (such as asbestos-free compounds or ceramics) that presses against the inside of a brake drum to create friction, which slows down or stops the vehicle.

Brake Shoe Components

1. Friction Lining: The friction material attached to the brake shoe that makes contact with the brake drum. Over time, this lining wears down and needs to be replaced.

2. Backing Plate: The metal part of the brake shoe that houses the friction lining and provides the structural foundation.

3. Return Spring: Helps the brake shoe return to its original position after braking is released.

4. Anchor and Adjusting Mechanism: Keeps the brake shoe properly positioned and allows for adjustments to the brake shoe gap as the lining wears down.

5. Brake Shoe Pin and Spring Clips: These secure the brake shoe assembly in place and provide tension for the shoe to engage with the drum.

How Brake Shoes Work

• When the driver presses the brake pedal, brake fluid is sent to the brake cylinders at the wheel.

• The brake cylinders push the brake shoes against the inner surface of the brake drum, creating friction.

• The friction between the brake shoes and the drum slows the rotation of the wheels, which slows or stops the vehicle.

Brake Shoe Types

• Single-Sided Brake Shoes: Used in older or simpler drum brake systems. One shoe is used on each side of the drum.

• Double-Sided Brake Shoes: Common in modern drum brake systems, with two shoes on each side of the drum, which improves braking performance and distributes wear more evenly.