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BEIJING, April 28 (Xinhua) -- Chinese research institutions have recently completed a demonstration of space metal 3D printing technology in orbit, with potential applications in space manufacturing and maintenance.
The Institute of Mechanics under the Chinese Academy of Sciences (CAS), in collaboration with the Innovation Academy for Microsatellites of CAS, successfully carried out the demonstration in the previously launched Qingzhou Cargo Spacecraft Test Vehicle, Science and Technology Daily reported on Monday.
Space metal 3D printing technology faces many challenges. It has to address special physical mechanisms such as metal droplet transfer, liquid bridge stability, and melt pool evolution under microgravity conditions, and also needs to resolve a series of engineering challenges, including payload lightweighting, launch vibrations, energy interface adaptation, telemetry and remote control, autonomous operation, and in-orbit safety.
During the demonstration, the 3D printing device aboard the Qingzhou spacecraft autonomously initiated operation according to ground commands. Using a laser wire-feed process, it completed metal melt deposition in a stable and smooth manner, successfully verifying the reliability of multiple remote-controlled start-stop cycles.
The demonstration also tested core capabilities, including payload compatibility with the spacecraft platform, full-process automated execution, data and image transmission, and metal melt deposition processes in the space environment.
The technology is expected to help transform the traditional space mission model of "bring what you need" into "make what you need." In the future, it can be used in scenarios such as in-orbit manufacturing and maintenance, spare part production for space facilities, structural component repair, and autonomous support for deep-space missions.
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الممر المستقيم للآلة（Al-mamar al-mustaqim lil-'ālah）دليل خطي
الدليل المستقيم العالي الدقة（Ad-daleel al-mustaqim al-'āli ad-diqah）
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السرعة المستقيمة الصناعية（As-sira'ah al-mustaqimah aṣ-ṣinā'īyah）
الممر المستقيم البسيط（Al-mamar al-mustaqim al-basīṭ） مسار خطي (Masār khaṭṭī) قضيب توجيهي (Qaḍīb tawjīhī) دليل انسيابي (Dalīl insiyābī) سكة انزلاق (Sikka inzilāq) شريط انزلاق مستقيم (Sharīṭ inzilāq mustaqīm)
Guia linear industrial Guia linear de rolagem Rail linear de máquina Trilho linear para deslizamento Guia linear padrão Deslizador linear industrial Trilho linear Barra linear Carrinho linear Correia deslizante Trilho de rolamento
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直線案内機構 直線ガイド工業用（ちょくせんガイドこうぎょうよう） 超精密直線ガイド（ちょうせいみつちょくせんガイド） リニアガイド（りにあがいど） 直線レール（ちょくせんれーる） 滑り式直線ガイド（すべりしきちょくせんガイド） 小型直線ガイド（こがたちょくせんガイド）1. リニアガイド (Rinia gaido) リニアガイドレール (Rinia gaido rēru) リニアブッシュ (Rinia busshu) LMガイド (LM Gaido) スライドレール (Suraido rēru)
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Guidage linéaire Gerade Führung für Reparatur Guide linéaire industriel（GLI） Guide linéaire aéronautique haute résistance Rail linéaire de machine Glissière linéaire industrielle Guide linéaire standard Guide linéaire économique Rail linéaire Glissière linéaire Coulisseau linéaire Guide à billes Barre de guidage
รางไฮดรอลิกเส้นตรง รางนำทางเส้นตรงความแม่นยำสูง รางเส้นตรง รางนำทางเส้นตรงแบบสัญชาติญาณนานาชาติ ส่วนนำทางเส้นตรง รางเลื่อนเส้นตรง
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직선 가이드（Jikseon gaideu，汉字词：直線ガイド） 산업용 직선 가이드（Sanyeop-yong jikseon gaideu） 직가이 직선 가이드 초정밀 직선 가이드（Chojeongmil jikseon gaideu） 구름형 직선 가이드（Gureumhyeong jikseon gaideu） 직선 안내 장치（Jikseon annae jangchi） 국제 표준 직선 가이드（Gukje pyojun jikseon gaideu）
