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3D printing can now make rocket parts; precise material utilization has been widely applied to aerospace equipment.

MarsBitNews
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Abstract generation in progress
Mars Finance news: 3D printing, with the academic name “additive manufacturing.” Taking a rocket engine thrust chamber nozzle as an example: its inner wall is covered with tightly packed cooling channels. At the thinnest point, the diameter is only 1 millimeter—like human capillaries. If any one of these channels gets clogged or deviates, the rocket may face a failure risk. Before 3D printing appeared, such parts were made entirely using traditional manufacturing methods. But aerospace components often have unusual shapes and complex internal structures; with traditional manufacturing, either they can’t be made at all, or they can only be processed in separate sections and then assembled, with lead times lasting up to several months. What’s even more critical is that every weld seam and every screw could become a future “failure point.” The arrival of 3D printing has opened up more possibilities. Precise material utilization: during printing, material is laid down “exactly how much is needed,” producing almost no waste. Especially for expensive materials like titanium alloys, the utilization rate can remain consistently above 90%. Today, this technology is widely used in space equipment, and it has also spread into medical care, new energy vehicles, semiconductors, consumer electronics, and even construction. In some special scenarios, 3D printing is shifting from a “backup option” to the “only solution.” (CCTV Finance) (Securities Times)
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