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Robotic Wire Arc Additive Manufacturing With Variable Height Layers

delete2025-01-01
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PRE
AI
J
John Marcotte
S
Sandipan Mishra
J
John T. Wen
DOI:10.1109/TMECH.2025.3567011delete
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摘要

摘要

En 中文
机器人电弧增材制造因其相对其他金属增材制造工艺具有高沉积速率和大打印体积,已被广泛应用。对于复杂几何形状,层内变高打印方式的优势在于能够生产悬垂结构,无需支撑材料或几何分解。该方法已通过使用预计算机器人速度曲线在钢材上实现,以获得一致的几何质量。相比之下,铝合金的焊道几何形状与前一层的温度紧密耦合,导致部件不同位置沉积材料的高度发生显著变化。本文提出了一种闭环方法,用于校正层间沉积材料高度的变化。我们使用安装在独立机器人上的红外相机跟踪焊接火焰,并估计沉积材料的高度。随后更新机器人速度曲线,以考虑前一层的高度误差和名义计划高度曲线,同时考虑工艺和系统约束。该框架的实现结果表明,与开环情况相比显著改善,并展示了其对不准确模型参数的鲁棒性。
Keyword:
Closed-loop 3-D printing
metal additive manufacturing (AM)
wire arc additive manufacturing (WAAM)

期刊

I
IEEE/ASME Transactions on Mechatronics
IF:
0
论文数:
112
被引数:
0

机构

R
rensselaer polytechnic institute
学者数:
7.0K
论文数: 6.5K
被引数: 6
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