Brake discs and wheel rims integrated casting is an integrated component formed by casting brake discs and rims (wheel mounting base) in one process, eliminating the assembly steps of traditional split structures, enhancing overall rigidity and structural stability. When rotating, both run synchronously, improving braking efficiency and reducing resonance between components, suitable for high-performance vehicles or special vehicles with high requirements for lightweight and structural strength.nnSpecificationsnSize matching: Rim diameters are mostly 17-22 inches (compatible tire sizes), corresponding to brake disc diameters of 300-400mm, thicknesses of 20-35mm, and overall dimensions need to match the vehicle hub bearings and brake calipers.nnLoad capacity and strength: They need to meet the load requirements of 500-1500kg per wheel, and can withstand 400-800°C high temperatures and instantaneous strong friction forces during braking.nnInstallation interface: Retain bolt connection holes with the hub (such as 5-hole, 6-hole), and the center hole diameter is compatible with the vehicle axle head specifications.nnMaterialnCore material: High-strength alloy cast iron (containing nickel, chromium elements) or ductile cast iron is commonly used, balancing casting performance, wear resistance, and high-temperature stability, ensuring the structural strength of the brake disc friction surface and the rim.nnLightweight design: Some high-end products incorporate carbon fiber reinforced materials or use aluminum alloy matrix composite materials, reducing overall weight while ensuring strength, enhancing vehicle handling.nnSurface treatment: The brake disc friction surface undergoes quenching and hardening treatment, and the rim part uses electrophoretic coating or powder spraying processes to enhance corrosion resistance.
