Impeller blades are the core components of aero engines, steam turbines and other devices. Impeller not only refers to the wheel disk equipped with moving blades, but also refers to the general name of the wheel disk and the rotating blades installed on it. Turbine blades in aero-engines are located in the parts with the highest temperature, the most complex stress, and the worst environment, and they are called the first critical parts.
Due to its complex curved structure and almost harsh application environment, impeller blades have become the most typical difficult-to-machine structural parts. Impeller blade processing is known as the “peak arena of five-axis processing”, which shows its typical representative role in machining technology.
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