How is a brake caliper casting made?

A brake caliper casting is typically made using the sand casting process. First, a mold is created from a pattern of the caliper, usually made of metal or plastic, which is then placed in a box and surrounded by sand. Molten metal, often aluminum or iron, is poured into the mold to form the caliper shape. After cooling, the mold is removed, and the casting undergoes finishing processes like machining and surface treatment to achieve the required dimensions and surface quality.