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BEIJING, Jan. 25 (Xinhua) -- China has successfully conducted its first metal 3D printing experiment in space, a significant leap forward for its in-orbit manufacturing capabilities.
The breakthrough experiment was performed by a retrievable scientific payload developed by the Institute of Mechanics under the Chinese Academy of Sciences (CAS), the CAS announced on Saturday.
The pioneering payload hitched a ride to space aboard the Lihong-1 Y1 suborbital vehicle, a commercial recoverable spacecraft developed by the Chinese aerospace enterprise CAS Space for space tourism.
This vehicle successfully completed its inaugural test flight from the Jiuquan Satellite Launch Center in northwest China on Jan. 12.
According to the CAS, after the Lihong-1 Y1 crossed the Karman line, boundary separating Earth's atmosphere and outer space, and reached at an altitude of approximately 120 kilometers, the experiment autonomously fabricated metal components in the microgravity environment.
This successful mission marks a transition of China's space-based metal additive manufacturing technology from "ground-based research" to a new phase of "in-space engineering verification," elevating its overall technological capability to the world's forefront, the CAS said.
This breakthrough will strongly propel the development of China's space manufacturing technology and serve as a key enabler for future space infrastructure development, it noted.
Conducting metal additive manufacturing in the unique space environment is far more complex than on Earth.
The research team has overcome a series of core challenges, including stable material transport and forming under microgravity, full-process closed-loop control, and high-reliability coordination between the payload and the launch vehicle, according to the CAS.
Following the experiment, the payload capsule made a safe parachute-assisted landing and was promptly recovered. Scientists have now obtained invaluable first-hand data, including the dynamic characteristics of the melt pool, material transport, solidification behavior, and the geometric precision and mechanical properties of space-printed parts.
The Lihong-1 Y1, noted for its low launch cost and high flexibility, is proving to be a reliable testbed.
In addition to the metal 3D printing facilities, the onboard payload also included a batch of precious rose seeds for an agricultural research project.
The spacecraft will be developed for multiple reuse purposes. Its deputy chief designer, Wang Yingcheng, said that extensive tests are now underway to add crew-life-support and high-reliability escape technologies, which will boost low-cost suborbital scientific experiment capabilities and commercial space tourism possibilities.
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Guía lineal Guía lineal de precisión micrométrica Riel lineal para maquinaria Deslizador lineal integral Guía lineal estándar Carril lineal Carril lineal Riel de movimiento lineal Carril de rodamientos Corredera lineal Barra deslizante
الممر المستقيم للآلة（Al-mamar al-mustaqim lil-'ālah）دليل خطي
الدليل المستقيم العالي الدقة（Ad-daleel al-mustaqim al-'āli ad-diqah）
المنزلقة المستقيمة للصناعة（Al-manzilaqah al-mustaqimah lil-ṣinā'ah）
الممر الخطي للآلات المُستوردة（Al-mamar al-khatti lil-ālāt al-mustawrada）
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
Прямая направляющая промышленная Прямая направляющая военного образца Направляющая прямая стандартная Прямая гайд промышленная Прямая направляющая для станка Прямая направляющая смазочная Линейный рельс (Lineyný rel's) Направляющая рейка (Napravlyayushchaya reyka) ШВП (ShVP) Шарико-винтовая передача Салазки (Salazki) Рельса (Rel'sa)
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)
Linearführung Lineare Führung für Maschinenbau（LFM） Lineare Führung für Automobilfertigung Linearführung standard Linearleitelement für Industrie Präzisions-Linearführung Linearschiene Profilschienenführung Führungsschiene Linearführungsbahn Gleitschiene
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
Đường dẫn thẳng công nghiệp Đường dẫn thẳng độ chính xác cao Đường dẫn thẳng Đường dẫn thẳng loại lăn Đường dẫn thẳng tiêu chuẩn quốc tế Thanh dẫn thẳng
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）
