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What is disc brake?

I.e., disc brake disc brakes, also known as disc brakes, whichever shape suggests that it is named. It is controlled by a hydraulic pressure, the main components include a brake disc, cylinder, brake caliper, tubing and the like.
for producing an alloy steel and the brake disc fixed to a wheel, rotating with the wheel. Cylinder fixed immovably on the bottom plate of the brake. Two friction plates respectively mounted on the caliper on both sides of the brake disc. Hydraulically acting piston cylinder tubing conveyed, pushing friction plate friction brake pressure to the brake disc occurs, the operation as if it clamped with pliers rotating plate, forcing it to stop the same.


disc brake advantages:
Since brake system is not sealed, so the impurities are retained brake wear on the brake, the disc brake can be everything centrifugal water, dust and other contamination to thrown outside, in order to maintain a certain clean. Furthermore, since the outer disc brakes independent parts, easier maintenance than drum brakes.
drawbacks

disc brakes: high
disc brake costs, such as manufacturing requirement of the brake and brake line is high, the amount of wear of friction plate larger, expensive cost, also due to the small area of ​​the friction plates, the face opposite the friction is small, the high brake fluid pressure needed, the vehicle must have a means to use the power, so only for light vehicles.

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