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相关概念视频

Production of Formed Elements01:34

Production of Formed Elements

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Hemangioblasts are multipotent stem cells originating from the mesoderm. They give rise to hematopoietic stem cells (HSCs), which undergo hematopoiesis to produce all the formed elements of blood. This process is regulated by a complex network of hematopoietic growth factors, including transcription factors, growth factors, and cytokines. These factors stimulate the HSCs to divide and differentiate, though some HSCs remain undifferentiated to maintain a self-renewing pool.
Most HSCs commit to...
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A Soft Tooling Process Chain for Injection Molding of a 3D Component with Micro Pillars
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增材制造. 增材制造是一种增材制造. 连续液体接口生产3D对象的3D对象.

John R Tumbleston1, David Shirvanyants1, Nikita Ermoshkin1

  • 1Carbon3D Inc., Redwood City, CA 94063, USA.

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概括

连续液体接口生产可快速3D打印大型聚合物部件. 这种先进的增材制造技术实现了高分辨率,并大大加快了对象制造的速度.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 工程 工程师 工程师 工程师
  • 聚合物化学 聚合物化学

背景情况:

  • 传统的增材制造 (三维打印) 依赖于缓慢的,层层的制造.
  • 现有的方法在生产更大物体时面临速度和可扩展性的限制.

研究的目的:

  • 开发一种用于连续,高速3D打印聚合物零件的新方法.
  • 为了实现高特征分辨率,并允许制造厘米尺度的单立体物体.

主要方法:

  • 使用连续液体接口生产 (CLIP) 具有透气窗口.
  • 在液体-固体界面建立了抑制光聚合的"死区".
  • 控制的关键参数,以实现连续的部件提取.

主要成果:

  • 证明了连续制造高达几十厘米的单质聚合物部件.
  • 实现的特征分辨率低于100微米.
  • 达到每小时数百毫米的印刷速度,将生产时间从几个小时缩短到几分钟.

结论:

  • 连续液体接口生产在传统3D打印方法上提供了显著的进步.
  • 这种技术可以快速,高分辨率的制造大规模的聚合物对象.
  • 该工艺有可能在各种行业中彻底改变聚合物零件制造.