Solutions | Machining cases of aeroengine impellers

The aeroengine is a highly complex and precise thermal machine, often hailed as the “crown jewel”of modern industry. It plays a vital role in aircraft and serves as an important reflection of a nation’s technological and industrial capabilities. Today, the global aircraft engine market continues to grow, with promising demand prospects. At the same time, the market is placing greater emphasis on improving the machining efficiency of key components, making cost reduction and efficiency enhancement the primary focus for end users.

The impeller is one of the core rotating components of the compressor system, and it is indispensable in centrifugal or mixed-flow compressors. Its design, manufacturing, and performance directly affect the engine’s thrust, efficiency, and service life. The impeller is a typical integrally machined complex structural part, characterized by large dimensions, thin walls, and stringent requirements for dimensional accuracy and surface quality. It is made from hard-to-machine materials, has poor overall manufacturability, and presents significant machining challenges. The entire manufacturing process requires the use of high-precision, highly wear-resistant, and exceptionally stable cutting tools to complete the part’s machining.