3D打印立功了！我国成功在太空制备零部件

Core Viewpoint - The article highlights the advancements in space metal 3D printing technology, particularly through the successful completion of a microgravity metal additive manufacturing experiment by the China Academy of Sciences, marking a significant milestone in China's aerospace capabilities [2]. Group 1: Technology and Innovation - The microgravity metal additive manufacturing experiment was conducted using the "Li Hong No. 1" spacecraft, which successfully demonstrated the stability of material transport and forming, as well as high-reliability collaboration between the payload and rocket [2]. - This experiment is the first of its kind in China, showcasing the ability to produce metal components in space, which can enhance the autonomy of spacecraft maintenance and reduce reliance on ground supplies [2]. - 3D printing, also known as additive manufacturing, allows for the construction of objects layer by layer from digital models, significantly lowering initial costs by eliminating the need for molds or tooling [3]. Group 2: Market Potential and Applications - The global 3D printing rocket market is projected to reach approximately $2.9 billion by 2032, indicating strong growth potential in the commercial aerospace sector [5]. - The use of 3D printing in rocket engines, such as the "Tianque" series by Blue Arrow Aerospace, has achieved thrust adjustment ranges of 40% to 110%, demonstrating the technology's versatility [4]. - The integration of 3D printing in satellite manufacturing is rapidly evolving, with applications in optimizing structural design, reducing weight, and integrating functions, which are critical for small satellites [5].