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相关实验视频

Updated: Jul 2, 2025

Additive Manufacturing of Functionally Graded Ceramic Materials by Stereolithography
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Additive Manufacturing of Functionally Graded Ceramic Materials by Stereolithography

Published on: January 25, 2019

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通过多激光旋转粉末床融合增材制造提高生产率.

Peter Wang1, Gordon Robertson1, Brian T Gibson1

  • 1Manufacturing Science Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA.

3D printing and additive manufacturing
|February 23, 2024
PubMed
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激光粉床融合 (LPBF) 可以通过使用一种新的架构进行大规模生产. 这种方法可以将生产率提高四个数量级,使其与传统制造业竞争.

科学领域:

  • 材料科学与工程 材料科学与工程
  • 添加剂制造 添加剂制造 添加剂制造
  • 机械工程 机械工程

背景情况:

  • 激光粉床融合 (LPBF) 为各种金属提供了高的几何复杂性和表面表面.
  • 目前的LPBF生产率 (数百克/小时) 与传统方法 (千克到数百千克/小时) 相比,不足以进行大规模生产.

研究的目的:

  • 探索激光粉末床融合 (LPBF) 的可扩展建筑概念,以实现大规模生产率.
  • 研究提高LPBF沉积率高达四个数量级的方法.
  • 分析优化的LPBF在制造电动汽车同步抗电机等组件方面的潜力.

主要方法:

  • 新的LPBF架构的概念探索,结合旋转桌动力学.
  • 研究使用高密度的同时工作的激光器,以减少光学尺寸.
  • 分析了改进的扫描策略和优化的 toroidal 构造板尺寸.
  • 对同步抗电机应用的生产率分析,考虑可打印的软磁合金.

主要成果:

  • 拟议的LPBF架构有可能将生产率提高四个数量级.
  • 特定的设计元素,如旋转桌,多个激光器和优化的构造板是可扩展性的关键.
  • 生产力分析表明,电动汽车零部件的大规模生产的可行性.
关键词:
添加剂制造 添加剂制造 添加剂制造大规模生产大规模生产.旋转粉末床融合技术 旋转粉末床融合技术

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结论:

  • 对于工业大规模生产的采用,需要一种新的,可扩展的LPBF架构.
  • 提出的概念为显著提高LPBF吞吐量提供了一条途径.
  • 优化的旋转粉床融合为电动汽车等行业的关键部件的大规模制造提供了希望.