高速高精光固化增材制造技术前沿进展

Research progress of high speed and high precision light curing additive manufacturing technology

增材制造技术被称为新工业革命的标志性技术,立体光刻在能源器件、加工材料、制造方案的迭代中,发展出多种高分子材料快速成形技术方案。作为制造技术关键评价的速度、精度指标,始终引领着宏微观尺度光固化增材制造技术发展方向,推动形成崭新的技术方案。光固化增材制造技术由早期的激光点扫描成形,逐步发展出面制造、体制造。文中通过分析近5年来国内外高速高精光固化前沿文献,讨论了7种方法的技术原理、关键器件能力限制、创新特点和其面临的工程应用问题,包括体成型技术:计算轴向光刻技术和激光全息投影技术;面成型技术:连续液面生长技术、双波长光源直写光刻技术、高速大尺寸技术、飞秒投影双光子光刻微纳技术、双紫外臭氧动态掩模技术。并比较了这7种技术的科学依据技术原理与工程问题,揭示该技术的迭代演化规律和潜在应用场景。

Additive manufacturing technology is known as the iconic technology of the new industrial revolution.In the iteration of energy devices,processing materials,and manufacturing solutions,Stereo Lithography Appearance has developed rapid prototyping technology solutions multiple high polymer material,such as Laminated Object Manufacturing,Selected Laser Sintering,Fused Deposition Modeling,Three Dimensional Printing and Gluing and so on.As the key evaluation of manufacturing technology,speed and accuracy index have always led the development of macro-scale photocuring additive manufacturing technology,and promoted the formation of new technical solutions.These technical methods have been promoted and applied to new processing materials,such as metals,ceramics,and composite materials,and evolved into a new process,gradually forming an additive manufacturing technology system featuring direct manufacturing of various materials.These technologies not only have been maturely applied to the medical field,but also to the aerospace,automotive industry,mold industry,green mine development and other fields.These manufacturing technologies were formed by early laser spot scanning,and gradually developed surface manufacturing and volume manufacturing.Based on the domestic and international high-speed and high-accuracy photo-curing frontier literature in the past five years,this paper discusses the technical principles of seven methods,key device capability limitations,innovative features and currently engineering application problems,revealing the iterative evolution of the technology and potential applications,with the iterative evolution and potential application scenarios of the technology explored.