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Disc brake disc (disc) is divided into solid disc (single disc) and air channel disc (double disc). Solid disk is easier for us to understand, to put it bluntly, is solid. The Vented Disc, as its name suggests, breathes air. From the outside, it has many holes on the circumference leading to the center of the circle, known as the air duct. The car in the exercise of air convection through the air duct, to achieve the purpose of heat dissipation, much better than the solid heat dissipation effect. Most cars are front drive, the front disk use frequency meter wear is larger, so the use of front air duct disk, solid disk (single disc). Of course, there are both before and after the wind disc, but the manufacturing cost will not be ridiculous.
The first picture in this paper is the perforated marking disk, which has improved brake performance and heat dissipation to a certain extent, but has a large wear on the brake pad. 1. The material of the disk must be good enough, without too many defects affecting strength, such as large pores, trammels, and no shrinkage is allowed. 2. The spacing and size distribution of holes, etc., because one more hole is drilled, the strength of the part is weaker. Such as disk fracture, the consequences are unimaginable. 3. Symmetrical equalization. If the balance of the disk is seriously damaged, it will have a certain impact on the spindle during driving. This is a painstaking project, so be careful. It's best not to act rashly without professional guidance.
Perforated and marked disk frens, also known as "high speed discs" or "modified discs", are generally assembled in high performance vehicles, such as racing cars, sports cars or sports cars. With the rise of the domestic automobile industry in recent years, there are a lot of car friends DIY, from a variety of ways to get the punch line brake disc and then change their own hands. Drilling marking brake disc is a double-edged sword, his advantages and disadvantages also coexist, but this brake disc will increase the wear of brake pads, brake disc material and processing requirements are relatively high. Many small companies posing as European, Taiwan, Japan and other manufacturers of the brand in the production of high imitation brake disc, need a lot of players like DIY pay more attention to.
Disk fren is a very important part of the brake system, good brake disc stability, no noise, no jitter. A lot of DIY players do not have certain professional knowledge do not literally their own hands to replace the brake disc, because the original factory brake disc is tested through a lot of professional engineers, it is completely able to bear the brake force of his car. Sometimes after the replacement of drilling marking brake disc, the braking effect may not be better than the original ordinary disc effect. So when it comes to the safety of the total parts, you also need to be careful when refitting.
In addition, there is a disc integrated HUB, ABS ring, assembly bolts, bearing skin, etc., generally known as bearing disc, used for trucks and other larger models.
The drum brake has a tambourine-shaped cast iron called the brake drum, which is fixed to the tire and rotates at the same speed. Disk fren has the advantages of better reactivity and stability, better heat dissipation, easy replacement and so on. Drum brake has lower cost and higher absolute braking force, and is widely used in the rear wheels of small cars. But its wear rate is high, so at the same time the overall cost is high.
