Production is carried out in strict accordance with casting process standards

The working principle of the drum brake is to push the piston of the brake master cylinder to move when the brake pedal is stepped on, and then generate pressure in the oil circuit. The brake fluid transmits the pressure to the brake shoe, causing it to expand outward and press toward the brake Drum, the components of drum brakes that generate braking torque include brake wheel cylinders, brake shoes, brake drums, friction pads, return springs, etc. Drum brakes have gradually withdrawn from the car field, mainly used for rear wheels and parking brakes with relatively small braking loads

The drum brake is composed of a brake frame and an electric hydraulic pusher. When braking, the wheel cylinder piston pushes the brake shoe outward under the action of the brake fluid pressure, and the brake shoe overcomes the elastic force of the return spring. Open outward and press against the brake drum

It is usually made of high strength gray cast iron and produced by integral casting process

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