Will drilling holes in the brake disc increase the braking effect?

       Punching brake discs is a common technique aimed at enhancing the overall performance of the braking system by increasing heat dissipation and improving braking effectiveness. According to research and practical applications, punching brake discs can indeed increase braking effectiveness to a certain extent, especially in high-intensity braking scenarios. The following is a detailed analysis:
       1. Improvement of heat dissipation performance
       One of the main advantages of drilling brake discs is the significant improvement in heat dissipation performance. During the braking process, the brake disc generates a large amount of heat due to friction. If this heat is not dissipated in a timely manner, it can cause the temperature of the brake disc to become too high, leading to thermal degradation and reduced braking effectiveness. The perforated design increases the contact area between the brake disc and air, promotes air convection, and effectively improves heat dissipation efficiency. For example, Brembo's research shows that perforated brake discs can reduce the interference of thermal attenuation on braking through faster heat dissipation, thereby improving braking effectiveness. This design is particularly important during high-speed driving or frequent braking, as it can significantly reduce braking distance.
       2. Enhancement of braking effect
       Perforated brake discs not only perform well in heat dissipation, but also provide higher clamping force in the early stages of braking. The perforated design increases the friction coefficient on the surface of the brake disc, making the contact between the brake pads and the brake disc tighter, thereby improving the braking force. In addition, the perforated design can effectively remove dust between the brake pads and brake discs, maintain the cleanliness of the friction surface, and further enhance the braking effect.
       The advantage of perforated brake discs is more pronounced on rainy days or slippery roads. The hole design can break the water film formed on the surface of the brake disc, ensuring that the brake system can respond quickly under humid conditions and provide stable braking force.

       3. Other advantages
       Weight reduction: The perforated design can reduce the weight of the brake disc, thereby lowering the unsprung mass of the vehicle and improving its handling and fuel economy.
       Thermal attenuation resistance: Perforated brake discs can better resist thermal attenuation at high temperatures and maintain stable braking force.
       4. Potential drawbacks
       Although perforated brake discs perform well in improving braking performance, there are also some potential drawbacks:
       Reduce strength: Perforation design will reduce the overall strength of the brake disc, especially around the holes, which may cause stress concentration and lead to deformation or cracking of the brake disc.
       Increased wear: Perforation design may accelerate brake pad wear, as the holes increase friction between the brake pads and brake discs.
       Punching the brake disc can indeed increase the braking effect to a certain extent, especially in terms of heat dissipation and heat attenuation resistance. This design can significantly reduce braking distance and improve driving safety during high-speed driving or frequent braking. However, perforated design can also reduce the strength of brake discs and increase the wear of brake pads. Therefore, when choosing perforated brake discs, it is necessary to comprehensively consider the vehicle's usage scenarios and personal driving habits. For car owners who pursue high-performance braking, perforated brake discs are a worthwhile choice to consider.