3D打印在空间微波部件的应用展望

3D打印通过流体材料或粉体材料的层片叠加，将CAD设计转化为三维实体零件，无需模具或机加工，凭借极大的设计自由度和生产效率，近年来逐渐用于工业产品的直接制造，在配件减重、模型验证、复杂结构一体化成型、零部件受损修复方面具有极大的优势。本文介绍了3D打印技术及其分类，举例分析该技术在航天器微波部件的应用情况，探讨其对射频器件制备的影响。最后，对3D打印在空间部件制造的关键问题和发展进行了展望。

Research progress and prospect of space 3D printing microwave devices

Additive manufacturing,known as 3D printing, is gaining more attention in component weight reduction, model verification, complex structure integration forming, and damage repairing process. 3D printing technique is based on liquid and powder materials stack layer by layer, transforming CAD data to three-dimensional solids without molding or machining. In this work, a comprehensive introduction of 3D printing application in aerospace microwave devices has been accomplished. The basic concept and comparison of 3D printing is summarized. With the understanding of the research progress in 3D printing microwave devices, the development of space 3D printing technology is prospected.