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Brakes and brake discs What is the difference

Update:24-10-2016
Summary:

Brake system is by the brake pads and wheel drum or dis […]

Brake system is by the brake pads and wheel drum or disc between the friction, resulting in friction, so as to achieve the effect of braking. The current mainstream home car brake in the form: brake pads, brake discs. So these two things in the end what is the role? The next car easy to talk about for everyone.

1: brake pads, generally by the steel plate, bonding insulation layer and the friction block composition, which is not heat-conducting heat-insulating material composition, the purpose is to heat (overheating, then easily lead to the braking system burned). Friction block by the friction material, adhesive composition, brake is squeezed in the brake disc or brake drum to produce friction, so as to achieve the purpose of vehicle braking. As a result of friction, the friction block is gradually worn.

2: brake disc, in simple terms, is a round plate, the car is moving when it is turning. Brake calipers (brake pads above the friction block) clamping the brake disc and the resulting braking force, the brakes when it is holding the brake disc to slow down or stop the role.

Brakes and brake discs in the end what is the difference? Bicycle brake principle we all know it, as long as the hand of a pinch brakes, two brake shoes grip the bike wheel, so as to achieve the purpose of bicycle brakes. Similarly, the car's braking system is relatively complex, but the principle is the same, when you are in the process of moving, the foot pedal of this action is equal to the bicycle hand pinch brakes. Thereby braking the brakes brake pads, so that in the rotation of the brake disc, resulting in friction, to achieve the braking effect. Therefore, their most simple difference is that the brake disc is the same as the wheel in the rotation, but the brake is always stationary.

Their role is introduced over, then since the two components are the use of friction braking, then there will certainly be loss. There must be used to a certain extent, the need to be replaced. In general, the brakes are divided into front brake and rear brake, the replacement is depending on the inspection results may be. Brakes generally check every 5,000 km. If it is found that the friction loss of less than 1 mm when the need to be replaced. (Generally 3-4 million km brake pads replaced once)

Brake disc replacement cycle, according to the number of brake pads to decide. Usually 2 times for each replacement brake pads, you need to replace the brake disc once. But the relative or more check results may be. (Generally 6-8 million kilometers to replace the brake disc once)

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