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Strategic Study of Chinese Academy of Engineering doi: 10.15302/J-SSCAE-2023.07.003

Ultra-Precision Machining Technology and Equipment for High-End Optical Elements

1. School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, China; 

2. Collaborative Innovation Center of High-End Manufacturing Equipment, Xi’an Jiaotong University, Xi’an 710054, China; 

3. State Key Laboratory for Manufacturing Systems Engineering, Xi’an 710054, China

Received:2022-06-05 Revised:2022-10-08 Available online:2022-11-25

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High-end optical elements determine the performance of high-end equipment. Researching the ultra-precision machining technology and equipment for high-end optical elements is crucial for strengthening China's manufacturing industry and satisfying the requirements of the high-end equipment industry. In this study, the ultra-precision machining methods and equipment for optical elements, high-performance basic components, and measurement methods and equipment used in ultra-precision optical machining are analyzed. Five development trends are summarized including extremalization of precision and size, integration of shape and performance, compounding of machining technologies, integration of machining and measurement, and intellectualization of equipment and processes. Through extensive survey and discussions, a technology roadmap for ultra-precision manufacturing of high-end optical elements by 2035 is proposed from the aspects of demand, goals, products, key technologies, application demonstrations, and guarantees. Furthermore, several development suggestions are proposed, including (1) optimizing the innovation system and establishing technical alliances by organizing superior resources, (2) increasing resource guarantees and laying out plans on basic and technical research,(3) strengthening talent cultivation to expand the scale of the multi-level talent team, and (4) building a solid foundation for industrial development and cultivating small-sized leading enterprises.

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