What Is The Brake Pad
1. Brake pads are also called brake pads. In the car's braking system, the brake pads are the most critical safety components, all the braking effect is the brake pads play a decisive role, so good brake pads are the protection of God and the car.
2.The principle of braking
The working principle of the brake is mainly from the friction, the use of brake pads and brake discs (drums) and tire friction with the ground, the kinetic energy of the vehicle is converted into friction heat, the car stopped. A good and effective brake system must provide a stable, sufficient and controllable brake force with good hydraulic transmission and cooling capabilities to ensure that the driver's force applied from the brake pedal is fully transmitted to the master cylinder And the sub-pump, and to avoid the heat caused by hydraulic failure and brake recession. Brake system on the car is divided into two major categories of disc and drum, but in addition to the cost advantage, the drum brake efficiency is far less than the disc brake, brake system in question will only disc brake the Lord
3 brake pads composition
Brake lining (brake lining) generally consists of steel, thermal insulation and friction pad composition, steel to be coated to rust, coating process using the SMT-4 furnace temperature tracker to detect the temperature distribution of the coating process to ensure quality. The insulation is made of a material that does not transfer heat for the purpose of insulation. Friction block by the friction material, adhesive composition, the brake is squeezed in the brake disc or brake drum friction, so as to achieve the purpose of vehicle deceleration brakes. As the friction effect, the friction pad will gradually be worn, in general, the lower the cost of wear brake pads faster. After the use of friction materials to replace the brake pads in time, otherwise the plate and the brake disc will be in direct contact with the final loss of brake effect and damage to the brake disc.
4 brake classification
Brake pads for disc brakes
● Brake shoes for drum brakes
● for the big truck to make films
5 brake pads conservation methods
Brake shoes commonly known as brake pads, which belong to the consumables in use will gradually wear, wear to the limit position, you must replace, otherwise it will reduce the braking effect, or even cause a safety accident. Brake shoes are life-threatening and must be treated with caution.
● Under normal driving conditions, check the brake shoes every 5000km. Not only the remaining thickness, but also the wear status of the shoes, the degree of wear on both sides and the return of the brake shoes are the same. If abnormality is found Must be dealt with immediately.
● Brake shoes are generally composed of iron liner and friction material of two parts, must not wait friction material parts are worn out before the replacement of the shoe. For example, Jetta front brake shoe, the new film thickness of 14 mm, and the replacement of the ultimate thickness of 7 mm, including more than 3 millimeters of iron liner thickness and nearly 4 mm of friction material thickness. Some vehicles with brake shoe alarm function, once reached the wear limit, the instrument will prompt the replacement of the shoe alarm. To reach the limit of the shoe must be replaced, even if can still be used for some time, will also reduce the effect of braking, driving safety.
● Replace the original spare parts to provide the brake pads, the only way to make the braking effect between brake pads and brake disc best, wear the least. ?
● When changing the shoe, special tools must be used to lift the brake manifold. Can not use other crowbar hard pressure back, so easily lead to brake caliper guide screw bending, brake stuck.
● After replacing, be sure to step on the foot brake to eliminate the gap between the shoe and the brake disc, resulting in the first leg without brake, prone to accidents.
● brake shoe replacement, the need to run 200 km in order to achieve the best braking effect, just for the new shoe to be careful driving