3D printing technology, also known as additive manufacturing technology, is a manufacturing method that automates the accumulation of materials (including liquids, powders, filaments, or blocks) into solid structures based on design data. Here, we will explore the trends in the development of additive manufacturing technology.
Trends in Additive Manufacturing Technology
1) Development towards the manufacturing of everyday consumer products. 3D printing has become a hot topic in recent years abroad. The device is called a 3D printer, which is used as an external output device for computers. It can directly output three-dimensional graphics from a computer into three-dimensional colored objects. It has broad application prospects and enormous commercial value in scientific education, industrial modeling, product design, and arts and crafts. The direction of development is to improve precision, reduce costs, and develop high-performance materials.
2) Development towards the manufacturing of functional parts. This involves using lasers or electron beams to directly melt metal powders, layer by layer, to form metal parts through direct shaping technology. This technology can directly manufacture complex structural metal functional parts, achieving mechanical properties that meet forged material standards. Further development aims to enhance precision and performance while advancing additive manufacturing technology for ceramic parts and composite materials.
3) Development towards intelligent equipment. Currently, there are many issues that need optimization in the software functions and post-processing of additive manufacturing equipment. For example, support structures are needed during the forming process, and the intelligence and automation of the software need further improvement; the matching of process parameters with materials during manufacturing needs to be intelligent; and the removal of powder or supports after processing are issues that directly affect the use and promotion of the equipment. The intelligence of the equipment is essential for its widespread adoption.
4) Development towards integrated manufacturing of organization and structure. This aims to achieve controllable manufacturing from micro-organizations to macro-structures. For instance, when manufacturing composite materials, the design and manufacturing of the composite material organization and the shape structure are completed synchronously, achieving simultaneous manufacturing from micro to macro scales, realizing the integration of “design-material-manufacturing” for structures. This supports the manufacturing of complex structural parts such as biological tissues and composite materials, bringing revolutionary advancements to manufacturing technology.
Additive manufacturing technology does not require traditional tools, fixtures, or multiple processing steps. It can quickly and accurately manufacture parts of any complex shape using three-dimensional design data on a single device, thus achieving “free manufacturing” and solving many previously difficult-to-manufacture complex structural parts, significantly reducing processing steps and shortening processing cycles.
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