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Perforated or grooved? Information about sport brake discs!

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Recently updated on October 17, 2022 at 01:37 am

Perforated or grooved? Information about sport brake discs!

A functioning braking system is extremely important for every vehicle. A total failure of individual components is usually quite unusual. Possible malfunctions are only noticeable through the loss of braking force. A much worse outcome, on the other hand, can be faulty, or even broken, brake disc to take. In the past, there were always serious accidents in motorsport, one of which Material fatigue the brake disc was the cause. Overloading of the brake discs is also possible in road vehicles. The brake disks can easily overheat, especially on long mountain journeys or when the vehicle is overloaded. Particularly sporty driving also contributes to the fact that the windows show material fatigue earlier. Exactly for this reason you should remove the braking system from the vehicle based on his driving needs.

Sports brake discs

Sports brake discs have either Grooves (slots) or holeswho have favourited dirt, heat and moisture better deduce and increase the coefficient of friction. Many manufacturers develop their sports brake discs themselves. The materials of the discs are as different as their surfaces. Most are made of various metal alloys that can withstand higher temperatures better, and thus fading (Reduction of the braking force) impede. At the manufacturers ATE and Brembo, the grooves also serve as a wear indicator.

Perforated or grooved? Information about sport brake discs!

When the grooves have disappeared due to wear, the minimum thickness of the washer is reached respectively from unterschrit and an exchange should take place now at the latest. The advantage of this is that it can control wear without dismantling and without tools be made. The perforated discs remain coolerbecause the holes can give off more heat to the environment. With both variants, the brake lining is removed from abrasion and other deposits when braking freed. Tip: Do you have to clean the holes regularly?? Here is the answer!

The right brake pads

You can actually go to the sport brake discs any brake pads use? The manufacturer Brembo recommends only installing pads of the same series for perforated or grooved brake discs from the Xtra range. ATE recommends using an in-house standard covering in order to avoid vibrations and noises (NVH, noise vibration harshness). from Ceramic coverings However, both manufacturers expressly advise ab.

Perforated or grooved? Information about sport brake discs!

Admissibility of sports brake discs

The admissibility depends on which products you choose. There are huge differences between the manufacturers. Brembo sports brake discs are already after ECE R90 authorized. So you have to after installation pay no attention to anything. For some ATE products you still have to have the general operating permit (ABE), as ATE is still in the ECE R90 approval phase. But both manufacturers agree on the recommendation of the place of use. They advise sports brake discs on the rear axle only in connection with the front axle to use.

Advantages of sports brake discs

The brake engages better, especially at the beginning of the braking process, because the grooves or holes reduce the coefficient of friction between the disc and the lining increases. If the brake is used heavily, the temperature of the parts increases. This happens, among other things, during long downhill journeys or heavy use for other reasons. The temperature can get so high that substances in the flooring burn. The gases that are created form a layer between the lining and the disc. The result is a decrease in braking performance (fading). In the case of sports brake discs, however, these gases are derived and the braking power remains for the most part receive.

Braking on wet roads can also cause braking delays. The film of water on the brake disc acts like soft soap between the pad and disc. With the sports brake discs, on the other hand, the grooves or holes cause the water can be derived. The friction is pretty close to that of braking with dry brake components. Tests by the manufacturer ATE showed that the braking distance on a wet road with perforated or grooved brake discs about two meters shorter can be. A fully loaded car drove at 100 km / h on a wet road and applied emergency braking at a certain point.

Disadvantages of sports brake discs

Like everywhere there is Advantages and disadvantages. According to the manufacturer ATE, during medium braking from high speeds a noise can occur that sounds like a humming noise due to the groove in the brake disc. But it is precisely this hum that sports-minded drivers appreciate. The manufacturer Brembo thinks that the wear and tear on its sports brake discs is higherthan with ordinary brake discs.

Perforated or grooved? Information about sport brake discs!

Of course, that wasn't the end of it!

tuningblog has countless other articles on the subject of car and auto tuning in stock. Do you want to see them all? Just click HERE and look around. In part, we would like to provide you with news but also off the tuning. In our category Tips, products, information & Co We have reviews of car or accessories manufacturers, new ones Tuning Wiki Terms or one or the other Leak veröffentlicht. Following an excerpt of the last articles:

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Perforated or grooved? Information about sport brake discs!

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About Thomas Wachsmuth

Thomas Wachsmuth - He has been an integral part of tuningblog.eu since 2013. His passion for cars is so intense that he invests every available penny in them. While he dreams of a BMW E31 850CSI and a Hennessey 6x6 Ford F-150, he currently drives a rather inconspicuous BMW 540i (G31/LCI). His collection of books, magazines and brochures on the subject of car tuning has now reached such proportions that he himself has become a walking reference work for the tuning scene.  More about Thomas

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