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相关实验视频

Updated: May 10, 2025

Fused Filament Fabrication FFF of Metal-Ceramic Components
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优化喷嘴结构和参数,用于连续纤维预丝丝3D打印.

Sheng Qu1, Qi Zhang1, Beiying Liu1

  • 1School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China.

Polymers
|April 26, 2025
PubMed
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这项研究使用模拟模型优化了连续纤维增强复合丝 (CFRCF) 的3D打印参数. 最佳设置可以提高化状态的稳定性,从而改善CFRCF/PLA打印.

科学领域:

  • 材料科学 材料科学 材料科学
  • 添加剂制造 添加剂制造 添加剂制造
  • 聚合物工程 聚合物工程

背景情况:

  • 连续纤维增强复合丝 (CFRCF) 3D打印需要精确控制工艺参数.
  • 光线的化状态行为对于成功打印和部件完整性至关重要.
  • 优化喷嘴设计和打印条件对于稳定的CFRCF挤出至关重要.

研究的目的:

  • 为了研究打印温度,速度和喷嘴长度在3D打印过程中对CFRCF化状态的影响.
  • 通过模拟模型和Box-Behnken响应表面方法来优化这些参数.
  • 为了在连续纤维预制纤维丝印刷中实现更高的稳定性.

主要方法:

  • 使用模拟模型分析CFRCF/PLA丝的化状态.
  • 采用了Box-Behnken响应表面的方法来优化参数.
  • 设计了一个直径为1毫米的喷嘴,有一个8毫米的加热区,用于连续纤维复合丝聚乳酸 (CFRCF/PLA).

主要成果:

  • 确定了最佳打印参数:220°C的打印温度,300mm/min的打印速度和0.2mm的打印层高度.
  • 模拟模型确定了工艺参数和光纤化状态之间的关键关系.
  • 实验验证证了优化喷嘴和参数的增强印刷稳定性.
关键词:
通过3D打印打印3D打印.连续纤维预制材料的灯丝.喷嘴喷嘴是一个喷嘴.过程参数 过程参数

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结论:

  • 优化的打印参数显著提高了连续纤维预制纤维丝挤出的稳定性.
  • 模拟驱动的优化对于微调CFRCF 3D打印过程是有效的.
  • 这些发现有助于提高复合材料增材制造的可靠性和质量.