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基于沙子3D打印的墨水滴喷涂的模拟研究.

Hailong Song1, Ran Yan1, Lei Xia1

  • 1College of Mechanical Engineering, Chongqing University of Technology, Chongqing 400054, China.

Micromachines
|June 27, 2025
PubMed
概括

这项研究通过模拟压电喷射以实现精确的微滴控制来增强沙模3D打印. 它确定最佳的墨水特性,以提高滴滴形成稳定性和工业应用中的精度.

科学领域:

  • 增材制造 增材制造 增材制造
  • 流体动力学 流体动力学
  • 材料科学 材料科学 材料科学

背景情况:

  • 压电喷射装置对于砂模3D打印至关重要,但在精确的微滴形成方面面临挑战.
  • 按需喷墨打印技术为先进的砂模制造提供了潜力.

研究的目的:

  • 为了研究和优化微滴形成在砂模3D打印的压电喷射.
  • 建立滴滴喷射的数学模型并模拟其行为.

主要方法:

  • 压电剪切模式打印头工作原理的解释.
  • 使用计算流体动力学 (CFD) 开发滴滴喷射数学模型.
  • 在Fluent软件中使用流体体积 (VOF) 模型进行滴滴生成,断裂和飞行的数值模拟.

主要成果:

  • 基于模拟对关键参数的研究:粘度,表面张力和入口速度.
  • 确定墨水性能的适当范围和推值.
  • 确定影响滴滴喷射稳定性和精度的因素.

结论:

  • 该研究为提高工业砂模3D打印中滴滴形成提供了关键的工程见解.
关键词:
形成滴滴的形成.数字模拟的数字模拟.砂模 3D 打印 3D 打印流体模型的体积.

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  • 优化的墨水性能可以显著提高3D打印过程的稳定性和精度.
  • 这项研究有助于推进沙模具制造中的按需喷墨打印应用.