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First of all, we need to know that the braking system is an important component related to personal safety in motorcycle driving, and many riders have gradually begun to pay attention to the importance of upgrading the braking system. The caliper, also known as the brake pump, is the core of the system, so more and more players are upgrading their calipers. However, due to the chaos in the market and the lack of professional knowledge, riders have many ideas when upgrading, such as forging calipers are better than casting ones, the more pistons the better, and they even argue about it. But what is the truth? Let's explore each one.
The body of the motorcycle brake caliper is usually made by casting and forging. Simply put, the caliper body produced by the forging process has higher mechanical strength than that produced by casting process, while the price of the product produced by casting process is relatively lower, which is closely related to the manufacturing cost.
In the production of casting caliper body, it is assisted by casting molds. The aluminum ingot is melted and poured into the mold to be cooled and solidified to form the shape of the caliper body. Finally, the metal burrs, fins, and other substances are removed to complete the production of a caliper body. A mold with a certain shape can realize mass production. (Note that the inside of the casting caliper also needs CNC machining, and it cannot be argued whether it is casting because there are tool paths).
Forging motorcycle calipers use 6061 and 7075 aluminum alloy as raw materials, and use high-pressure forging to form the basic shape of the caliper, and then use CNC machining technology for cutting processing. The material structure is denser, and the heat dissipation performance and material rigidity are much stronger than the casting material. Among them, 7075 aluminum alloy is basically the most high-end caliper material on the market, and it is generally used for racing products.
In summary, forging calipers have excellent performance and can be produced in small batches for different motorcycle models. In Taiwan and European and American markets, forging is mainly used for modification. Comparatively, casting calipers have a higher price-performance ratio and are sufficient for street use.
The raw materials are all the same aluminum material, but the products produced by different designs and processes are significantly different. Jinfochi's biggest advantage lies in the optimization of design. Over the years, the continuous accumulation and improvement of design data have made the structure of the calipers tend to be perfect. Forging calipers are generally processed using CNC (CNC is the abbreviation of Computer Numerical Control machining). By using high-precision five-axis machining, the technology and tooling are very advanced, so the products can achieve excellent appearance and user experience.
After all, the reason why riders upgrade the motor brake caliper is to achieve better performance. Generally speaking, the caliper needs to meet the requirements of "strong stability, good linearity, and sufficient force", and the internal structure processing and design are the core of product quality.