With the rapid advancement of the aerospace industry, the requirements for machining technology and material properties of typical complex aerospace parts are increasingly stringent. From early-stage prototyping and design validation to pre-flight testing, CNC machining has become an indispensable part of aerospace manufacturing.  The quality of all aerospace components is strictly controlled, with the entire manufacturing process—from material selection and verification to high-precision CNC machining—governed by industry quality systems or standards.