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自动介层墙壁高度补偿用于基于线的定向能量沉积增材制造.

Jian Qin1, Javier Vives2, Parthiban Raja2

  • 1Welding and Additive Manufacturing Centre, Cranfield University, Cranfield MK43 0AL, UK.

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PubMed
概括
此摘要是机器生成的。

本研究通过监测层高度来解决基于电线的定向能量沉积增材制造 (w-DEDAM) 的挑战. 它通过使用过程参数调整来有效补偿墙壁高度差异,从而提高零件质量.

关键词:
间层墙壁高度补偿之间的层.部件质量监测和控制部分质量监测和控制基于电线的定向能量沉积增材制造 (w-DEDAM)

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科学领域:

  • 材料科学与工程 材料科学与工程
  • 制造过程 制造过程 制造过程
  • 添加剂制造 添加剂制造 添加剂制造

背景情况:

  • 基于电线的定向能量沉积增材制造 (w-DEDAM) 在保持一致的层高度和与CAD模型对齐墙壁高度方面面临挑战.
  • 过程的不确定性和环境因素,特别是在延长的建造时间,有助于这些尺寸不准确.
  • 精确和高效的过程中的几何测量对于工业 w-DEDAM 应用至关重要.

研究的目的:

  • 研究工艺参数对间层沉积高度的影响,特别是在墙壁的过渡区域.
  • 探索在w-DEDAM中使用几何监测数据进行实时层间墙壁高度补偿.
  • 为了提高 w-DEDAM 的尺寸精度和零件质量.

主要方法:

  • 使用连贯范围解析干扰度 (RRI) 传感器在工艺过程中监测层高度.
  • 分析了不同壁区域和不同过程参数下的层间沉积高度的行为.
  • 根据几何监测和沉积行为的过程参数确定控制点.

主要成果:

  • 演示了RRI传感器用于准确和高效的工艺中层高度测量的能力.
  • 成功地将各种工艺参数应用于特定的墙壁区域,以弥补高度差异.
  • 在两到三层内实现了墙壁高度差异的补偿.

结论:

  • 在 w-DEDAM 中实施有效的层间墙壁高度补偿策略时,几何监测信息非常有价值.
  • 基于现场测量的过程参数的自适应控制可以显著提高尺寸精度.
  • 开发的方法提供了一个可行的解决方案,用于提高工业 w-DEDAM 的零件质量和一致性.