Aluminum materials are often used to produce complex parts and products due to their low density, good strength, good electrical and thermal conductivity, corrosion resistance, and easy machining and forming. CNC aluminum parts are often used to produce complex parts and products. In particular, aluminum has a significant advantage in manufacturing lightweight structures due to its light weight and high strength, and is particularly suitable for weight-sensitive aerospace and transportation fields. Due to its easy machining and forming characteristics, aluminum is often used to machine high-precision parts; especially aluminum CNC precision parts, due to their high precision and excellent color and surface appearance, are widely used in many industries.