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<p>3D printing technology, also known as rapid prototyping (RP) technology and additive manufacturing (AM) technology, is a digital manufacturing technology that integrates computer, mechanical, electronic, laser, materials, and other technologies. Since its inception for more than 30 years, it has received full attention from countries around the world and has been widely applied in aerospace, biomedical, automotive manufacturing, creative modeling, and daily consumer goods. More importantly, its own development has also gained a variety of technical routes and process plans, resulting in a wide variety of 3D printing processes. Moreover, it is constantly evolving and iteratively developing, and more 3D printing processes will inevitably be produced. Based on its original concept of “dimension” and the fundamental principle of “accumulation” in 3D printing, a new perspective of the minimum geometric elements for accumulation was applied to categorize numerous 3D printing processes into four types: zero-dimensional spot buildup by beam, zero-dimensional spot buildup by powder, one-dimensional line buildup by extrusion or jet, and two-dimensional lamination buildup by thin sheet. Furthermore, typical 3D printing processes of each type, and a total of fourteen specific 3D printing processes in the whole paper, were detailed introduced, including patent information, basic principles and processes, forming materials, application characteristics, etc. This paper is expected to provide a systematic review and comprehensive understanding of 3D printing technologies.</p>

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A systematic literature review for alternative 3D printing techniques from a perspective of the minimum accumulation geometric elements

  • 期刊论文

  • 发表日期：

    2025年1月30日

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  • Wang Yanqing,
  • Wang Yuanchunzhi,
  • Chai Kehan,
  • Xu Lingan,
  • Feng Wei,
  • Chen He,
  • Zhang Xiang,
  • Li Qinggang

摘要

3D printing technology, also known as rapid prototyping (RP) technology and additive manufacturing (AM) technology, is a digital manufacturing technology that integrates computer, mechanical, electronic, laser, materials, and other technologies. Since its inception for more than 30 years, it has received full attention from countries around the world and has been widely applied in aerospace, biomedical, automotive manufacturing, creative modeling, and daily consumer goods. More importantly, its own development has also gained a variety of technical routes and process plans, resulting in a wide variety of 3D printing processes. Moreover, it is constantly evolving and iteratively developing, and more 3D printing processes will inevitably be produced. Based on its original concept of “dimension” and the fundamental principle of “accumulation” in 3D printing, a new perspective of the minimum geometric elements for accumulation was applied to categorize numerous 3D printing processes into four types: zero-dimensional spot buildup by beam, zero-dimensional spot buildup by powder, one-dimensional line buildup by extrusion or jet, and two-dimensional lamination buildup by thin sheet. Furthermore, typical 3D printing processes of each type, and a total of fourteen specific 3D printing processes in the whole paper, were detailed introduced, including patent information, basic principles and processes, forming materials, application characteristics, etc. This paper is expected to provide a systematic review and comprehensive understanding of 3D printing technologies.