【中国新闻网】中国成功实现太空金属3D打印 首次制造出完整金属构件

Core Insights - The Chinese Academy of Sciences has successfully developed a microgravity laser additive manufacturing (3D printing) payload, marking a significant advancement in China's space metal manufacturing technology from "ground verification" to "space engineering verification" [3] Group 1: Technology Development - The microgravity laser additive manufacturing payload was launched aboard the "Lihong-1" remote-controlled vehicle, successfully producing complete metal components in a microgravity environment [3] - The experiment achieved breakthroughs in key technologies such as metal additive manufacturing shaping and control under microgravity conditions, closed-loop control throughout the process, and high-reliability collaboration between payload and rocket [3] Group 2: Future Applications - Space metal 3D printing is viewed as a critical enabling technology for future space missions, allowing for rapid manufacturing and autonomous repair of spacecraft components in orbit, significantly enhancing the flexibility and sustainability of deep space exploration, long-term space station operations, and lunar base construction [3] - The success of this experiment establishes China at the forefront of this technology globally, laying a solid foundation for future development in on-orbit manufacturing and maintenance technologies [3] Group 3: Vehicle Capabilities - The "Lihong-1" vehicle operates at an altitude of approximately 120 kilometers, providing over 300 seconds of high-quality microgravity environment [4] - Future upgrades aim for a minimum orbital stay of one year and at least ten reuse cycles, supporting high-precision requirements for on-orbit manufacturing and advancing research in microgravity physics, space life sciences, and space materials science [4] Group 4: Strategic Importance - The Chinese Academy of Sciences is a key player in national strategic technology, focusing on cutting-edge space technology and gradually building a foundational theoretical framework and process database for space metal manufacturing [4] - Key technologies such as flexible cabin deployment and on-orbit stability control have been successfully developed, contributing to the future establishment of a "space factory" [4]