Application of Laser Machining Technology in the Manufacturing of Aero Engine Blades

LIU Haodong; CHEN Changjun; LI Chonggui; YANG Qingfeng; WANG Dongsheng

doi:10.7643/ issn.1672-9242.2026.02.008

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Equipment Environmental Engineering ›› 2026, Vol. 23 ›› Issue (2) : 61-71. DOI: 10.7643/ issn.1672-9242.2026.02.008

Aviation and Aerospace Equipment

Application of Laser Machining Technology in the Manufacturing of Aero Engine Blades

LIU Haodong¹, CHEN Changjun², LI Chonggui³, YANG Qingfeng¹, WANG Dongsheng⁴

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Abstract

The work aims to systematically review the research status of laser machining technology in the field of aero engine manufacturing from the aspects of laser drilling, laser additive manufacturing and laser shock processing. Firstly, the application of laser drilling technology in the manufacturing of aero engine blades was reviewed, and challenges such as precision and consistency in deep-hole machining, as well as material compatibility issues during the processing of blades with thermal barrier coatings, were highlighted. Secondly, the application of laser additive technology in the manufacturing and repair of aero engine blades was discussed, with an emphasis on the future need to focus on multi-material integrated manufacturing and intelligent closed-loop systems. Thirdly, the application of laser shock peening technology in aero engine blade manufacturing was reviewed, and future development directions such as dual-sided synchronous laser shock peening, real-time shape correction laser shock peening, and variable pulse laser shock peening were proposed. Finally, future research directions were outlined, pointing out that the development of an intelligent manufacturing unit integrating “laser additive forming-laser precision drilling-laser shock peening” supported by digital twin technology throughout the entire lifecycle of design, manufacturing, and performance prediction, would be the way forward.

Key words

aero engine blade / laser machining / laser drilling / laser additive manufacturing / laser shock peening

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LIU Haodong, CHEN Changjun, LI Chonggui, YANG Qingfeng, WANG Dongsheng. Application of Laser Machining Technology in the Manufacturing of Aero Engine Blades[J]. Equipment Environmental Engineering. 2026, 23(2): 61-71 https://doi.org/10.7643/ issn.1672-9242.2026.02.008

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